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Location: Remote About the Company: The mining industry has steadily become worse at finding new ore deposits, requiring >10X more capital to make discoveries compared to 30 years ago. The easy-to-find, near-surface deposits have largely been found, and the industry has chronically under-invested in new exploration technology, relying on the manual techniques of yesteryear – even as demand accelerates for copper, lithium, and other metals to build electric vehicles, renewable energy, and data centers. KoBold builds AI models for mineral exploration and deploys those models—alongside our novel sensors—to guide decisions on KoBold-owned-and-operated exploration programs. Since our founding in 2018, KoBold has become by far both the largest independent mineral exploration company and the largest exploration technology developer. Our data scientists and software engineers, who come from leading technology companies, jointly lead exploration programs with our renowned exploration geologists. KoBold has proven its first discovery with materially less capital than the industry average and found one of the best copper deposits ever discovered: the copper is far more concentrated than the global average of copper mines, and this asset alone is expected to generate meaningful revenue for decades. KoBold has a portfolio of more than 80 other projects, each of which has the potential for another high-quality discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the position In this role, you will lead evaluations of potential properties for acquisition, generate targets, and design and oversee field programs from target definition through to resource expansion. You will be part of a multidisciplinary team and will work closely with data scientists, using KoBold’s technology to help guide our field programs and decision-making. You will also work directly with our senior technical advisors and with the executive team on making the investment case for acquisitions and field programs. Ultimately, your role is to help KoBold make valuable discoveries by identifying opportunities with rigorous evaluation and by ensuring that we safely and effectively conduct our field programs. Responsibilities Demonstrate in all activities a commitment to the highest standards in health and safety, environment, and community relations Rigorously analyze geoscientific datasets across a range of scales from provinces to prospects to determine exploration potential and to identify, rank, and prioritize exploration targets Design, budget, permit, and execute field programs ranging from geological mapping and sampling of grass roots prospects through to large drilling programs on advanced projects, with leading industry practice in data acquisition and validation Provide technical guidance and support to local in-country project teams during the design and execution of exploration programs, including site visits and engagement with other project stakeholders (e.g., community representatives, regulatory authorities, and joint venture partners) Work collaboratively with data scientist colleagues to conceive and implement insightful analytical methods Qualifications A great Exploration Geologist candidate will have: Strong technical knowledge of one or more ore deposit types. Experience working on sediment-hosted stratiform copper or magmatic sulfide deposits will be considered an advantage Excellence in generative analysis ranging from new concepts to integration, interpretation, and modeling of large datasets Good field skills and experience conducting field programs across a range of project stages from grassroots prospects through to advanced projects with significant drilling campaigns Baseline level of proficiency in standard desktop software packages (e.g., ArcGIS or QGIS) Strong leadership skills including the ability to motivate and inspire others, to share ownership and responsibility for project outcomes, and to work effectively in collaborative, interdisciplinary teams Previous experience in coaching and training geoscientists of varying experience, educational backgrounds and cultures in leading-practice mineral exploration Demonstrated commitment to high standards of health and safety in the workplace A minimum of 3-7 years experience in the mineral exploration industry A valid passport (or the ability to obtain one) and willingness to travel to Mingomba or other exploration sites worldwide. It is helpful but not required to have: Working knowledge of one programming or scripting language (e.g., Python, R, C/C++) Knowledge of geostatistics and/or other statistical methods relevant for analysis of geoscientific data International experience, particularly in the Central African Copperbelt Note: Candidates who are specialists in geochemistry or geophysics but open to doing significant project work are encouraged to apply. What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. The US base salary range for this full-time exempt position is $70,000-$110,000. Location: KoBold is a remote-first workplace. All candidates must be legally authorized to work in one of the following countries: United States, Canada, Australia, South Africa, United Kingdom, Zambia, Democratic Republic of the Congo, Namibia, Finland, Sweden, or Botswana.

Location: Remote About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held. Investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role This in-house project development attorney will be a key player in shaping and executing the procurement and contracting strategy for our Mingomba mine build and other projects around the world. Their work will directly support a global AI-driven clean-tech company in its mission to invent breakthrough technology, discover billions of dollars of minerals, and stop climate change . Responsibilities The Senior Project Development Counsel will: Be an integral part of an in-house legal team in a technology, mineral exploration and mine development company growing rapidly around the world Provide leverage and support to the CLO and DGC so that they are more effective at advancing the company’s priorities Build important parts of the Company’s legal function with a particular responsibility overseeing the legal work for the development and construction of major capital projects for the Company and owning the full range of global supply chain matters related to such projects Lead the drafting and negotiation of the entire suite of contracts for the Company’s Mingomba project in Zambia and other capital projects, from EPC/EPCM and major equipment supply to offtake, O&M, and the surrounding infrastructure agreements (power, water, rail, and port), using FIDIC-based and bespoke forms, developing owner-protective positions, and managing English-law and LCIA/ICC provisions. Negotiate with counterparties around the world, including global equipment suppliers and contractors, and state-owned utilities, railways, and ports Work with engineering, HSE, project management, community engagement and supply chain stakeholders to bring technical annexures, scope, specifications, site information, and project requirements into the contract documents so that the legal terms match the technical deliverables Work with the Company’s project finance team and lenders’ counsel on the bankability of EPC and procurement terms, including direct agreements and lender step-in rights Keep a pulse on the rapidly-changing context for the Company’s business and engage constantly with people throughout the Company to be able to make good business judgments that enable the Company to accomplish its business objectives Have many opportunities to be involved in other areas as the Company and its legal functions grow, including project finance, import-export, broader compliance, and corporate matters Work on whatever needs to be done Qualifications 15-20+ years post-qualification, with substantial recent owner-side experience on large capital projects (mining, oil and gas, LNG, power, or heavy infrastructure) Law degree and active admission to practice in England; admission to practice in a U.S. state or another common-law jurisdiction may be considered Strong desire and ability to provide leverage, support, and partnership to the CLO and DGC Strong drafting and negotiation experience across most of the following: EPC / EPCM / lump-sum turnkey (FIDIC Silver/Yellow and bespoke forms), major equipment procurement and supply, O&M agreements, offtake agreements, and infrastructure agreements (PPAs, water supply, rail and port access, concessions) Experience working with international counterparties and operations (and agreements in global jurisdictions), including state-owned enterprises Interest in working in a company that requires high levels of collaboration and communication among teammates working remotely across many time zones and continents (including ET, London, Perth, and Zambia) Strong ability to learn new tools and an optimistic attitude toward work, people, and solving difficult problems of first instance Interest in working in a science-based company where most colleagues are scientists and science is the focus of many company meetings and documents A high degree of independence and ability to drive processes forward with little supervision Ability and desire to travel periodically, including to Zambia and elsewhere as the Mingomba project and other projects require It is helpful but not required to have: Experience in mining or mineral exploration or adjacent energy sector like oil and gas Prior work in Zambia, DRC, or the wider Copperbelt; familiarity with the Lobito Atlantic Railway or Dar es Salaam/Walvis Bay logistics corridors Project finance lender-side interface experience (direct agreements, lender step-in, bankability of EPC terms) Mandarin language skills French language skills This position is full-time. The US base salary range for this full-time position is $250,000-$290,000, plus equity and benefits. Location: Fully remote. London strongly preferred; U.S. East Coast also possible. Must be authorized to work in the jurisdiction of residence. The manager for this role is located in the U.S. (East Coast). Travel: Travel to Zambia as the project requires, and interest in engaging with suppliers globally. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status.

Location: Sweden - Remote About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role In the role of Field Operations Lead, you will plan and execute our field activities in Sweden to meet our business objectives without causing harm to our people, our contractors and partners, or the communities and environments where we operate. You will report to our Field Operations Director North America & Europe and other members of the operations and exploration team. Your primary responsibility will be to serve as the leader of field operations for 1–3 projects per year across Sweden and potentially other Nordic or European jurisdictions. Responsibilities Plan Lead planning of complex exploration projects and moderate-scale development programs in Sweden, including drilling campaigns, electromagnetic surveys, and reconnaissance programs Lead 1–3 concurrent projects of varying size, complexity, and jurisdiction, with accountability for planning and execution Lead procurement strategies: contractor selection, bid evaluation, benchmarking, and contract administration for Sweden-based programs Develop detailed project-level risk and hazard identification, risk assessments, mitigation plans, and critical control implementation, with particular attention to Swedish winter construction conditions Lead project kick-offs with integrated teams and contractors, covering scope, execution strategy, and risk management Contribute collaboratively to data collection planning during Phase 4a of the Exploration Project Lifecycle Generate creative field operations scenarios outside conventional boundaries that lead to efficient programs Execute Lead end-to-end execution of assigned projects from mobilization through demobilization and closure Provide strong leadership during changing field conditions, including Arctic and sub-Arctic weather events Track and forecast production rates, spend profiles, and resource requirements Manage and direct all field activities: lead contractor performance evaluation, feedback, and improvement Maintain daily contact with and monitor the status of KoBold personnel and contractors while in the field; maintain close communication with the Project Geologist, Project Data Scientist, and the Senior Project Planner Close Lead site remediation and rehabilitation activities per Swedish regulatory standards Lead contractor performance reviews and lessons learned to drive continuous improvement Compliance and Stakeholder Engagement Lead execution within regulatory compliance, monitoring, and reporting in accordance with Swedish mining and environmental legislation (including the Mining Act 621/2011 and Environmental Protection Act), EU regulations, and the practices of our joint venture partners Ensure execution is done within Swedish permitting processes, land access agreements, community relations, third-party agreements, and any joint venture requirements With leadership direction and support, represent KoBold Metals with local Swedish stakeholders, including communities, landowners, municipal authorities, and environmental bodies Process Improvement and Mentoring Create ways of working that allow us to continue to work more effectively and to be nimble so that we can support machine-learning-driven dynamic field programs, where we adapt our plan based on the data we collect at each stage Mentor Field Operations Supervisors: ensure field operations follows KoBold’s systems, practices, and leading industry standards Qualifications Required At least 12 years of experience conducting field operations in mineral exploration and mining, oil and gas, or a related industry, with demonstrated progression in complexity and responsibility Advanced knowledge of construction methodology, including winter and frozen-ground construction (tracks, pads, ice roads) relevant to Nordic operating environments Advanced understanding of helicopter-supported exploration, including utilization optimization and emergency response considerations Strong understanding of procurement processes: RFP development, bid evaluation, and contract administration Strong understanding of rehabilitation and closure planning Demonstrated commitment to health and safety standards, including incident management, root cause analysis, and corrective action implementation and verification Strong conceptual knowledge of all HSE, Land and Permitting, Legal, and Business Development systems as applied to exploration projects Ability to manage and supervise KoBold staff and contractors on all aspects of field activities, including complex and higher-risk field programs Ability to design complex field programs including scope, cost estimates, risk assessments, procurement, and project execution plans Ability to prepare complete and accurate deliverables based on the Exploration Project Lifecycle and synthesize findings for integrated project teams and leadership Ability to work in remote and isolated locations for extended periods of time, including Swedish Norrbotten and other Nordic environments A high degree of independence and the ability to work effectively with limited supervision Must speak, read, and write in Swedish and English; additional language skills are of benefit Valid First Aid Certification (Level 3 or Wilderness First Aid preferred) Preferred Recognized internally or externally as a subject matter expert in field operations across at least two operation types (e.g., drilling, EM surveys, civil works) Material understanding of data science products (e.g., catchment analyses) and their appropriate uses in exploration Experience with Swedish and/or Nordic regulatory frameworks governing exploration operations Experience working on projects with dedicated exploration teams including both Geologists and Data Scientists, demonstrating sustained partnership and effective interdisciplinary collaboration Familiarity with project management principles and managing projects remotely across multiple jurisdictions Experience with logistics tied to complex remote operations in cold-weather environments, including helicopter, weather, camps, chartered flights, and drilling operations Finnish or other Nordic language skills are an asset What We Value Sustained partnership with exploration teams, including both Geologists and Data Scientists, on one or more exploration projects Effective communication with team members across Geology, Data Science, HSE, Aviation, Legal, Community Relations, and Land and Permitting Perpetuating KoBold’s ethical standards through your own actions and in communicating with others Leading constructive field operational dialogue with colleagues; offering ideas freely and being willing to be wrong Receiving constructive and critical feedback well and providing constructive input and guidance to others Recognizing and elevating the team’s contributions, both in the field and to leadership, reinforcing a culture where strong work is visible and valued Interest in contributing broadly to the success of the company and eagerness to pitch in where needed What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunities for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is a Full-time Contract role. Location: KoBold is a remote-first workplace. All candidates should be legally authorized to work in one of the following countries: Sweden or Finland. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote About the Company In the coming decades, our world needs far more critical minerals including copper, lithium, and cobalt, to build electric infrastructure, vehicles, data centers, and electronics. The mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold is the leading scientific mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role This role will be responsible for creating technical and scientific content for internal and external audiences (such as investors, government officials, the public) about KoBold’s projects, science, and technology. You will collaborate closely with KoBold’s leaders, exploration teams, and technology teams to understand deeply and communicate compelling stories effectively in written, video, and graphical formats. We are seeking an analytically minded producer, who has a track-record of overseeing the production of scientific or technical content for a variety of audiences. Our ideal candidate brings a scientific or technical background, a strong track record in content creation, and hands-on video editing and animation skills. However, we encourage individuals with strong analytical and technical skills, alongside storytelling and writing skills, to apply even if you do not have video production experience. Note: please submit a portfolio with your application that includes examples of past graphic, video, and any other scientific storytelling work relevant to this role. Only applicants who submit a portfolio will be considered. Responsibilities Act as an in-house scientific producer, managing the creation of content including video, written works, and graphics to visually tell stories to a variety of audiences Work closely with KoBold Metals’ leaders to identify high-priority story opportunities across KoBold Interview scientists and geologists across KoBold Metals to understand their areas of expertise, and produce coherent narrative arcs about the innovative work KoBold is undertaking Oversee video production tasks from pre-production through to post-production, including sourcing and managing vendors world-wide Initiate and/or create (with support from our graphic design team) technical figures and graphics Write, edit and provide feedback on written content, including reports, case studies, social media, and presentation scripts to tell scientific stories for investors and other external, and internal audiences Work with and advise internal staff on their scientific presentations, to ensure they are informative and accessible Travel to KoBold events and work sites to direct field shoots, scientific interactions and other activities to generate content about our field programs and operations Qualifications Ability to understand technical information and turn it into compelling stories for non-expert audiences. A strong communicator who enjoys working with colleagues across the company. Strong writing and storytelling skills across a variety of formats, including social media A proficient executor with a keen eye for design details and editorial judgment to decide what to cut, emphasize, or reframe At least 5 years experience in a scientific or technical multimedia creation role for a public-facing brand or organization, or an equivalent combination of education and work experience. (Preferred) Proficiency in industry-standard graphic design, video editing and/or video production tools such as Premiere Pro, After Effects, Descript, Illustrator, and Figma. (Preferred) Experience in sourcing, hiring, and managing vendors for video; including filming, voiceover, and video editing/animation. Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Enjoys constantly learning such that you are driving insights through using our tools in exploration and willing to work directly with geologists in the field. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on an evolving range of responsibilities. Keen not just to execute projects, but to figure out how to best achieve the business objectives of the company. A valid passport and willingness to travel to observe our work at Mingomba (in Zambia) or at an exploration site around the world. Travel for this role typically does not exceed 5 trips per year. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time. The US base salary range for this full-time exempt position is USD$100k - 150k, plus equity and benefits including 401k matching. Location: KoBold is a remote-first workplace. All candidates must be legally authorized to work in one of the following countries: United States, Canada, and UK.

Location: San Francisco Bay Area Senior Research Engineer, Advanced Technology Group About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role This role will drive the design, development, and deployment of new subsurface imaging hardware, on muon projects with high energy physics detectors and seismic measurements with seismometers. This role is ideal for an engineer or scientist who thrives at the intersection of science, engineering, and data and is excited about bringing new technology to life. In this role, you will own mechanical and electrical systems of new imaging instruments through the full technical lifecycle: from concept and prototyping through validation, manufacturing, and deployment in the field. You will work closely with our data scientists, engineers, and geoscientists to design instrumentation that produces rich, high-quality datasets, feeding the machine learning models that drive KoBold’s mineral exploration around the world.  You will be a key member of a hardware development team and contributor to various novel hardware projects. You will also help to build the hardware development discipline and organization at KoBold, contributing to a culture and process that will make our engineering efforts innovative, scalable and repeatable. You will report to the Head of Subsurface Imaging and join a world-class team of data scientists, engineers and geoscientists developing novel technologies to accelerate the discovery of critical minerals for batteries and electrification. Responsibilities Own the technical development of mechanical and electrical systems of novel sensing and imaging instruments from concept and prototype to deployment in remote field sites.  Coordinate with and orchestrate internal and external resources across hardware and software engineering to deliver. Contribute to system architecture definition, navigating technical tradeoffs through rigorous research and analysis and balancing cost, complexity, and timeline. Collaborate with KoBold's data systems and exploration teams to integrate the new data stream into KoBold's proprietary data system and ensure usability for exploration projects. Build a deep understanding of mineral exploration science and operations to ensure the system and data generated meet user needs and field requirements. Build partnerships, source, and contract with service providers and vendors to develop hardware solutions that solve KoBold exploration needs. Create effective product plans and mechanical and electrical designs - from concept through prototyping and production. Contribute engineering expertise, analysis, and design to various hardware projects across KoBold. Help develop KoBold’s hardware development tools and processes. Qualifications A great candidate will have: A successful track record of developing and deploying complex state-of-the-art scientific instruments: about five years after a PhD, or correspondingly more after a BS or MS. Experience deploying and supporting complex equipment to remote sites including commissioning, validation, training and monitoring. The ability to simultaneously and gracefully wear many hats including technical lead, project manager, product manager, and hands on in-the-weeds engineer. Excellent communication skills for a highly interdisciplinary workplace. Technical skills, including extensive experience with: Executing end-to-end technical product development from concept through testing and deployment. Physical measurement and data analysis systems. Applying scientific knowledge to identify and prototype emerging technologies. Automation, systems integration and data acquisition. Mechanical or electrical design for scientific instruments, and processing of measured signals. Vendor selection and management. Third-party contractor selection and management. Work practices and motivation: Ability and desire to take ownership and responsibility of large projects. Enjoys constantly learning such that you are driving insights and innovations. Ability to explain technical problems to and collaborate on solutions with domain experts who aren’t hardware experts. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on a range of responsibilities. Ability to independently prioritize multiple tasks effectively. Solutions oriented, positive, and collaborative. Valid passport and willingness to travel to observe our work at Mingomba or at an exploration site around the world. It is also helpful but not required to have experience with: Product management for scientific hardware. Particle detectors, optics, and electronics Seismic, acoustic, or other geophysical instrumentation. Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Enjoys constantly learning such that you are driving insights through using our tools in exploration and willing to work directly with geologists in the field. A strong communicator who enjoys working with colleagues across the company. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time Exempt The US base salary range for this full-time exempt position is $130,000 - $190,000 Location: San Francisco Bay Area.  Must be able to work out of the Berkeley, CA office on any given day of the week. Travel: Must be able to travel domestically and internationally, 20-30% time.  Travel may include visits to remote field sites.  Work trips may extend to 3+ weeks.

Location: San Francisco Bay Area Senior Applied Scientist, Advanced Technology Group About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role This role will drive the design, development, and deployment of new subsurface imaging hardware, on muon projects with high energy physics detectors and seismic measurements with seismometers. This role is ideal for an engineer or scientist who thrives at the intersection of science, engineering, and data and is excited about bringing new technology to life. In this role, you will own mechanical and electrical systems of new imaging instruments through the full technical lifecycle: from concept and prototyping through validation, manufacturing, and deployment in the field. You will work closely with our data scientists, engineers, and geoscientists to design instrumentation that produces rich, high-quality datasets, feeding the machine learning models that drive KoBold’s mineral exploration around the world.  You will be a key member of a hardware development team and contributor to various novel hardware projects. You will also help to build the hardware development discipline and organization at KoBold, contributing to a culture and process that will make our engineering efforts innovative, scalable and repeatable. You will report to the Head of Subsurface Imaging and join a world-class team of data scientists, engineers and geoscientists developing novel technologies to accelerate the discovery of critical minerals for batteries and electrification. Responsibilities Own the technical development of mechanical and electrical systems of novel sensing and imaging instruments from concept and prototype to deployment in remote field sites.  Coordinate with and orchestrate internal and external resources across hardware and software engineering to deliver. Contribute to system architecture definition, navigating technical tradeoffs through rigorous research and analysis and balancing cost, complexity, and timeline. Collaborate with KoBold's data systems and exploration teams to integrate the new data stream into KoBold's proprietary data system and ensure usability for exploration projects. Build a deep understanding of mineral exploration science and operations to ensure the system and data generated meet user needs and field requirements. Build partnerships, source, and contract with service providers and vendors to develop hardware solutions that solve KoBold exploration needs. Create effective product plans and mechanical and electrical designs - from concept through prototyping and production. Contribute engineering expertise, analysis, and design to various hardware projects across KoBold. Help develop KoBold’s hardware development tools and processes. Qualifications A great candidate will have: A successful track record of developing and deploying complex state-of-the-art scientific instruments: about five years after a PhD, or correspondingly more after a BS or MS. Experience deploying and supporting complex equipment to remote sites including commissioning, validation, training and monitoring. The ability to simultaneously and gracefully wear many hats including technical lead, project manager, product manager, and hands on in-the-weeds engineer. Excellent communication skills for a highly interdisciplinary workplace. Technical skills, including extensive experience with: Executing end-to-end technical product development from concept through testing and deployment. Physical measurement and data analysis systems. Applying scientific knowledge to identify and prototype emerging technologies. Automation, systems integration and data acquisition. Mechanical or electrical design for scientific instruments, and processing of measured signals. Vendor selection and management. Third-party contractor selection and management. Work practices and motivation: Ability and desire to take ownership and responsibility of large projects. Enjoys constantly learning such that you are driving insights and innovations. Ability to explain technical problems to and collaborate on solutions with domain experts who aren’t hardware experts. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on a range of responsibilities. Ability to independently prioritize multiple tasks effectively. Solutions oriented, positive, and collaborative. Valid passport and willingness to travel to observe our work at Mingomba or at an exploration site around the world. It is also helpful but not required to have experience with: Product management for scientific hardware. Particle detectors, optics, and electronics Seismic, acoustic, or other geophysical instrumentation. Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Enjoys constantly learning such that you are driving insights through using our tools in exploration and willing to work directly with geologists in the field. A strong communicator who enjoys working with colleagues across the company. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time Exempt The US base salary range for this full-time exempt position is $130,000 - $190,000 Location: San Francisco Bay Area.  Must be able to work out of the Berkeley, CA office on any given day of the week. Travel: Must be able to travel domestically and internationally, 20-30% time.  Travel may include visits to remote field sites.  Work trips may extend to 3+ weeks.

Location: Global About the Company The mining industry has steadily become worse at finding new ore deposits, requiring >10X more capital to make discoveries compared to 30 years ago. The easy-to-find, near-surface deposits have largely been found, and the industry has chronically under-invested in new exploration technology, relying on the manual techniques of yesteryear – even as demand accelerates for copper, lithium, and other metals to build electric vehicles, renewable energy, and data centers. KoBold builds AI models for mineral exploration and deploys those models—alongside our novel sensors—to guide decisions on KoBold-owned-and-operated exploration programs. In the eight years since founding, KoBold has become by far both the largest independent mineral exploration company and the largest exploration technology developer. Our data scientists and software engineers, who come from leading technology companies, jointly lead exploration programs with our renowned exploration geologists. KoBold has proven its first discovery with materially less capital than the industry average and found one of the best copper deposits ever discovered: the copper is far more concentrated than the global average of copper mines, and this asset alone is expected to generate meaningful revenue for decades. KoBold has a portfolio of more than 80 other projects, each of which has the potential for another high-quality discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role KoBold explores across several continents and a widening set of commodities. This role is the geochemical capability that travels with those programs. Reporting to the Principal Geochemist, you will work as a functioning member of exploration teams in North America, Europe, and Africa; planning and running sampling campaigns, on the ground when it matters, and turning results around quickly enough to change what the team does next. The Principal Geochemist has responsibility for company-wide standards, independent data quality assurance, and global method and technology development. Your responsibility is in the practice, programs, field decisions, interpretation, and the day-to-day geochemical judgement that the exploration teams you work within depend on. You will work closely with data scientists and software engineers to develop new tools and drive an ever deepening analysis of results. You will work to company standards and audit against them in the field. You will be required to prioritize your time effectively across multiple projects, and multiply your reach by training field teams to sample well without you present. Responsibilities Demonstrate in all activities a commitment to the highest standards in health and safety, environment, and community relations Act as the embedded geochemist for exploration programs across North America, Europe, and Africa, joining project teams for the phases where geochemical decisions are being made and providing insight to existing hypotheses and the generation of new hypotheses fast enough to influence exploration decision making Design geochemical sampling programs fit for the terrain, regolith, and mineral system being tested, including orientation surveys and the choice of sampling medium, horizon, size fraction, spacing, analytical suite, and digestion, across glaciated terrain, deeply weathered tropical profiles, and arid or transported cover Own the geochemical component of drilling programs: sampling intervals and sample support, preparation protocols, quality control insertion, and real-time review of incoming assays against the geological model Apply and audit KoBold's geochemical standards and quality control procedures in the field, resolve routine control failures at program level, and escalate systemic or analytical problems to the Principal Geochemist, who retains independent data quality sign-off In close collaboration with the science team, interpret multi-element geochemical datasets across commodities and deposit types, including lithogeochemical classification, alteration and trace element vectoring, fertility screening, and appropriate treatment of compositional data Partner with geoscientists, data scientists and software engineers to improve existing tools, and develop new tools Assess legacy and third-party geochemical datasets during property evaluation and acquisition due diligence, judging quality, comparability, and fitness for purpose, and identifying where re-analysis or re-sampling is required before the data can carry weight Work alongside geologists, geophysicists, and data scientists to identify, rank, and prioritise targets, making geochemistry a primary input to targeting Coach and train field geologists and technicians in leading-practice sampling, and contribute to the standard operating procedures and field documentation that let sampling quality hold when no geochemist is on site Feed field experience back into method and technology development led by the Principal Geochemist, including practical trials of portable XRF, in-field sample preparation, and emerging analytical techniques Plan and manage a demanding international travel and deployment schedule, in coordination with the Principal Geochemist and project leadership Qualifications A great Senior Geochemist candidate will have: Strong technical knowledge of more than one ore deposit type and comfort moving between mineral systems. Experience across two or more of sediment-hosted stratiform copper, porphyry copper, IOCG, magmatic nickel-copper-PGE sulfide, or LCT pegmatite systems will be considered an advantage Demonstrated hands-on experience designing and executing surface geochemical programs, including orientation work, in more than one regolith or cover setting Experience running the geochemical side of drilling programs, from sampling protocol through quality control to interpretation of results as they arrive Practical command of quality control for sampling programs, including reference material and duplicate design, control charting, and precision and bias assessment, together with working knowledge of the Theory of Sampling Excellence in generative analysis, from new concepts through to the integration, interpretation, and modeling of large multi-element datasets Baseline level of proficiency in standard desktop software packages (e.g., ArcGIS or QGIS) and in at least one dedicated geochemical data analysis package (e.g., ioGAS) The ability to work effectively as a member of teams they do not manage, across cultures, time zones, and technical disciplines, and to earn influence through the quality of their judgement rather than through reporting lines Previous experience in coaching and training geoscientists of varying experience, educational backgrounds and cultures in leading-practice mineral exploration Willingness and ability to travel internationally for extended periods, and eligibility to work or obtain the necessary permissions across the regions covered by this role Demonstrated commitment to high standards of health and safety in the workplace A minimum of 8 years’ experience in the mineral exploration industry Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Enjoys constantly learning such that you are driving insights through using our tools in exploration and willing to work directly with geologists in the field. Ability to explain technical problems to and collaborate on solutions with domain experts who are not Geoscientists. A strong communicator who enjoys working with colleagues across the company. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on an evolving range of responsibilities. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. A valid passport and willingness to travel to exploration sites around the world, especially during active field seasons. It is helpful but not required to have: Working knowledge of one programming or scripting language (e.g., Python, R) applied to geochemical data Knowledge of geostatistics, compositional data analysis, or other statistical methods relevant for analysis of geoscientific data Experience with portable XRF and in-field sample preparation as auditable, fit-for-purpose analytical capability Experience in environmental geochemistry, including baseline surveys and waste and tailings characterisation International experience, particularly in the Central African Copperbelt, or in the pegmatite provinces of central Africa and Namibia Professional registration or chartership (e.g., CGeol, FAusIMM, EurGeol, SACNASP) Working proficiency in French Note: Candidates whose background is in exploration geology with a strong geochemical specialisation, and who want to work as a geochemist across a global portfolio rather than a single project, are encouraged to apply. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunities for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time Exempt. The US base salary range for this full-time exempt position is $140,000-$185,000, plus equity and benefits including 401k matching. Location: KoBold is a remote-first workplace. All candidates must be legally authorized to work in one of the following countries: United States, Canada, Australia, South Africa, United Kingdom, Zambia, Democratic Republic of the Congo, Namibia, Finland, Sweden, or Botswana. Please submit your application to: https://koboldmetals.com/careers/ What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Sudbury, Ontario, Canada Laboratory Technician About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role GrainLab is KoBold's mineral grain identification lab in Sudbury, Ontario. We combine microscopic and various analytical methods to find and confirm indicator minerals in heavy mineral concentrate (HMC) samples. The samples are delicate and are required to be returned in the same condition, packaging and weight it arrived as, so careful sample handling and accurate weighing are central to the job. As GrainLab's Laboratory Technician, you will keep the daily sample workflow moving. You will receive and weigh samples, log them in our laboratory information management system (LIMS), prepare imaging trays, and load samples onto our instruments to start imaging and spectroscopy runs. At the end, you will recover every grain and return each sample to its original packaging. You will report to the Sudbury Laboratory Manager and work with KoBold's hardware, data science, software team members. Your observations from the bench will directly shape mineral exploration efforts. This role suits someone who takes pride in precise, repeatable work, who notices when a number looks wrong, and who wants to see how modern data science is changing mineral exploration. Responsibilities Sample receipt, tracking and chain of custody Receive incoming client samples; check labels, packaging and paperwork against submission records; report any discrepancies to the Lab Manager. Weigh samples on precision balances at defined workflow steps and record the results accurately in the LIMS, using barcode scanners, label printers and balance integration. Maintain chain of custody from receipt to return, so every sample can be located and traced at all times. Run mass-balance checks at each step, confirm that every sample meets its return-weight tolerance, and escalate any deviation immediately. Tray preparation and instrument workflows Load mineral grains into small imaging trays with a volumetric scoop to a consistent fill level, following standard operating procedures (SOPs). Exceptional candidates can also help write and develop SOPs. Use tray covers and vibration steps to settle grains evenly without losing material. Load and unload trays on our digital microscope (Keyence VHX series), and start and monitor automated imaging runs. Load and unload samples on our Raman spectrometer (Renishaw inVia) so that grains selected by our computer-vision model can be confirmed. Keep instruments, trays and work surfaces clean to prevent cross-contamination and grain loss. Sample recovery and return Recover grains from trays after analysis and return each sample to its original packaging with its original labels. Do final weighing and LIMS close-out before samples are released. Data quality, safety and continuous improvement Enter data accurately in the LIMS, and flag mislabelled, damaged or out-of-tolerance samples. Follow all KoBold health, safety and quality procedures, and wear the required personal protective equipment (PPE). Do routine housekeeping, basic equipment care and consumables tracking. Give feedback to the hardware, software, data science and LIMS teams on workflow bottlenecks, tool usability and possible improvements. Help write and update SOPs as the lab's workflows mature. Other related duties as assigned by the Lab Manager. Qualifications (Required) Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Enjoys constantly learning such that you are driving insights through using our tools in exploration and willing to work directly with geologists in the field. One of the following: a laboratory technician diploma (e.g., chemical, geological or laboratory technology); or a BSc in a relevant field such as geology, earth sciences, chemistry, materials science or physics; or equivalent hands-on laboratory experience. Ability to explain technical problems to and collaborate on solutions with domain experts who are not geologists (e.g.  software engineers). A strong communicator who enjoys working with colleagues across the company. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on an evolving range of responsibilities. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. A valid passport and willingness to travel to observe our work at Mingomba or at an exploration site around the world. Travel for this role typically does not exceed one trip per year. Strong attention to detail, with a track record of accurate weighing, measurement, record-keeping or data entry. Ability to follow written SOPs precisely and consistently, including for repetitive, high-precision tasks. Good hand-eye coordination and fine motor control for handling small trays and sub-millimetre mineral grains. Comfortable with computers and with learning new software, including database-style data entry. Clear written and spoken communication in English, and willingness to raise problems early. A strong commitment to workplace health and safety. Ability to work on-site in Sudbury, Ontario, on a regular day-shift schedule. Legal authorization to work in Canada. Nice-to-Haves General experience in a geology/chemistry laboratory including rock sample handing. Experience with optical or digital microscopes. Experience with a LIMS, sample tracking, or chain-of-custody procedures in a commercial, mining or university lab. Experience with analytical or precision balances, including routine calibration checks. Familiarity with mineral identification, heavy mineral concentrates, indicator minerals or sample preparation for mineralogy. Exposure to Raman, XRF or other spectroscopic instruments. Experience in an ISO/IEC 17025 or similar quality-managed lab. Comfort with, and enjoyment of, repetitive precision work done to a high standard over a full shift. WHMIS and Ontario Worker Health and Safety Awareness training already completed. If not, we will provide both. Experience with lapidary and thin section preparation. Working Conditions and Physical Requirements Indoor laboratory work at our Sudbury facility. Extended periods of standing or sitting at a bench, microscope or computer workstation, with regular breaks. Repetitive fine-motor tasks such as scooping, tray loading and handling small containers, which need a steady hand and good near vision. Accommodations are available. Occasional lifting and carrying of sample boxes and supplies up to 20 kg (about 44 lb), with team lifts or lift aids for anything heavier. Working near laser-based instruments under established laser-safety procedures, and handling mineral samples under dust-control and good-housekeeping procedures. Required PPE may include safety glasses, lab coat, gloves and closed-toe shoes. Training is provided. Day shift, Monday to Friday. Occasional extended or flexible hours may be needed as lab throughput grows. Overtime is handled in line with Ontario employment standards. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is (Full-time Exempt) The Canadian base salary range for this full-time exempt position is $60,000-$90,000 CAD, plus equity and benefits including RRSP matching.

Location: Remote Field Operations Lead About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role In the role of Field Operations Lead, you will plan and execute our field activities across North America to meet our business objectives without causing harm to our people, our contractors and partners, or the communities and environments where we operate. You will report to our Field Operations Director North America & Europe and other members of the operations and exploration team. Your primary responsibility will be to serve as the leader of field operations for 1–3 projects per year across the United States and Canada. Responsibilities Plan Lead planning of complex exploration projects and moderate-scale development programs in North America, including drilling campaigns, electromagnetic surveys, and reconnaissance programs Lead 1–3 concurrent projects of varying size, complexity, and jurisdiction, with accountability for planning and execution Lead procurement strategies: contractor selection, bid evaluation, benchmarking, and contract administration for North America-based programs Develop detailed project-level risk and hazard identification, risk assessments, mitigation plans, and critical control implementation, with particular attention to seasonal and terrain-specific construction conditions across North American operating environments Lead project kick-offs with integrated teams and contractors, covering scope, execution strategy, and risk management Generate creative field operations scenarios outside conventional boundaries that lead to efficient programs Execute Lead end-to-end execution of assigned projects from mobilization through demobilization and closure Provide strong leadership during changing field conditions, including remote, seasonal, and extreme weather events across diverse North American geographies Track and forecast production rates, spend profiles, and resource requirements Manage and direct all field activities: lead contractor performance evaluation, feedback, and improvement Maintain daily contact with and monitor the status of KoBold personnel and contractors while in the field; maintain close communication with the Project Geologist, Project Data Scientist, and the Senior Project Planner Close Lead site remediation and rehabilitation activities per applicable federal, state/provincial, and local regulatory standards Lead contractor performance reviews and lessons learned to drive continuous improvement Compliance and Stakeholder Engagement Lead execution within regulatory compliance, monitoring, and reporting in accordance with applicable US federal and state or Canadian federal and provincial mining, environmental, and land use legislation, and the practices of our joint venture partners Ensure execution is done within applicable permitting processes, land access agreements, community relations, third-party agreements, and any joint venture requirements With leadership direction and support, represent KoBold Metals with local North American stakeholders, including communities, landowners, municipal authorities, Indigenous groups, and environmental bodies Qualifications Required At least 12 years of experience conducting field operations in mineral exploration and mining, oil and gas, or a related industry, with demonstrated progression in complexity and responsibility Advanced knowledge of construction methodology, including seasonal and terrain-specific construction (tracks, pads, access roads) relevant to North American operating environments Advanced understanding of helicopter-supported exploration, including utilization optimization and emergency response considerations Strong understanding of procurement processes: RFP development, bid evaluation, and contract administration Strong understanding of reclamation, rehabilitation and closure planning Demonstrated commitment to health and safety standards, including incident management, root cause analysis, and corrective action implementation and verification Strong conceptual knowledge of HSE, Land and Permitting, Legal, and Business Development systems as applied to exploration projects Ability to manage and supervise KoBold staff and contractors on all aspects of field activities, including complex and higher-risk field programs Ability to design complex field programs including scope, cost estimates, risk assessments, procurement, and project execution plans Ability to work in remote and isolated locations for extended periods of time across North American environments A high degree of independence and the ability to work effectively with limited supervision Must speak, read, and write in English; additional language skills (including French) are of benefit Valid First Aid Certification (Level 3 or Wilderness First Aid preferred) Preferred Experience with US federal and state or Canadian federal and provincial regulatory frameworks governing exploration operations Experience working on projects with dedicated exploration teams including both Geologists and Data Scientists, demonstrating sustained partnership and effective interdisciplinary collaboration Familiarity with project management principles and managing projects remotely across multiple jurisdictions Experience with logistics tied to complex remote operations, including helicopter, weather, camps, chartered flights, and drilling operations French language skills are an asset for projects in Quebec or other francophone regions What We Value Effective communication with team members across Geology, Data Science, HSE, Aviation, Legal, Community Relations, and Land and Permitting Perpetuating KoBold’s ethical standards through your own actions and in communicating with others Leading constructive field operational dialogue with colleagues; offering ideas freely and being willing to be wrong Receiving constructive and critical feedback well and providing constructive input and guidance to others Recognizing and elevating the team’s contributions, both in the field and to leadership, reinforcing a culture where strong work is visible and valued Interest in contributing broadly to the success of the company and eagerness to pitch in where needed What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is a Full-Time Employee role. The US base salary range for this full-time exempt position is $125,000 to $150,000 USD. Location: Remote, Candidates can be located anywhere in the United States or Canada. All candidates must be legally authorized to work in the United States or Canada. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote Senior Operations Data Analyst About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role Senior individual contributor reporting to the Head of Operations Data, coordinating day to day with the broader team and functional stakeholders. Owns systems end to end — data model, ETL, application, and stakeholder relationships — with minimal oversight from day one, and mentors junior analysts. Approximate initial allocation: Responsibilities 45% Build & integration — new data models, ETL/API integrations, and app support (Foundry et al.) 25% Platform maintenance & data quality — OPSDB stewardship, sync reliability, alerting, production support 15% Governance & technical debt — RBAC, scoped roles, dbt semantic layer, documentation 15% Mingomba support & cross-functional mentorship — commitments register, peer mentorship and skill growth, coordination with Mingomba functional growth like Procurement, Inventory Qualifications 5+ years in data engineering, analytics engineering, or data operations owning production systems independently Strong SQL and data modeling (PostgreSQL) Proven ETL and API integration Experience and comfort with AI (Claude, ChatGPT, Gemini, etc.) Dbt, cloud tooling (AWS/S3), finance-systems (NetSuite/Tipalti), or geospatial data a plus. Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Enjoys constantly learning such that you are driving insights through using our tools in exploration and willing to work directly with geologists in the field. Ability to explain technical problems to and collaborate on solutions with domain experts who are not technical. A strong communicator who enjoys working with colleagues across the company. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on an evolving range of responsibilities. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. A valid passport and willingness to travel to observe our work at Mingomba or at an exploration site around the world. Light travel is required when necessary. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time Exempt The US base salary range for this full-time exempt position is $100,000 to $125,000 plus equity and benefits including 401k matching. Location: KoBold is a remote-first workplace. All candidates must be legally authorized to work in one of the following countries: United States or Canada. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote Commercial Director About the company: In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the role This is a senior commercial leadership role for the development of a significant Copper mining complex in Zambia. The Mingomba deposit contains over 10 million tonnes of copper more than half of which exceeds 6% grade. This role will help turn that world class deposit into a world class mine. The Commercial Director establishes the commercial strategy, contracting approach, procurement and market engagement plan, and contractor management disciplines required to deliver the Mingomba project safely, competitively, and predictably. The role owns the commercial pathway from PFS and engineering delivery through package strategy, tendering, negotiation, award, contract administration, contractor performance, transition to operations and commercial close out. The Mingomba project is expected to require capital expenditure of more than US$2 billion, so the role requires a commercial leader who has built and run major-project commercial functions before. What this role is accountable for delivering This role provides the strategic commercial leadership for a significant greenfield project by setting the commercial direction, developing and implementing the strategies that flow from it and building and directing the team that delivers them. The successful candidate will be measured on: A commercial strategy — delivery model, contracting approach, market engagement, and packaging — approved through project governance, delivered on schedule, and updated as conditions change. A capable, high performing contracting, procurement and supply chain team built, developed and directed to deliver the targets with clear accountabilities and growing local capability Major packages tendered and awarded to the baseline schedule with no critical path slippage attributable to procurement or contract formulation Final contract outlays within the agreed band of the approved estimate, with commitments, cost exposure and forecasts visible to the project and finance at all times. Claims and variation exposure quantified, contained and actively managed with no material unresolved disputes at handover to operations Local content targets met with auditable evidence of local supplier participation and capability development A procurement and contracting function that passes independent commercial audits and stage gate review without material qualification A clean integrity record with no sanctions, bribery or conflict of interest findings in the supply chain and contracting workflows. Responsibilities Commercial governance and routines: Establish the commercial policies, approval thresholds, procurement gates, contract governance, tender review cadence, award recommendations, change controls, claims controls, and vendor management routines needed to support safe, competitive, and predictable project delivery. Project delivery model and contracting options: Develop the project delivery model and contracting strategy (EPC, EPCM, design-and-build, owner-managed, or hybrid), assessing each option against risk, cost, schedule, market capacity, local content, and value for money Commercial leadership and decision support: Lead commercial inputs into the project, executive forums and technical committees ensuring that contracting and procurement status, market intelligence and feedback, contractor risks, cost exposure, and package readiness are visible and early enough for management action. Interface with engineering: Partner with the Senior Engineering & Integration Manager under a defined split of authority (engineering responsible for design authority and technical bid evaluation). The Commercial Director is responsible for commercial evaluation, contract formation and administration, with a single joint change control process spanning technical and commercial impacts. Commercial roadmap and readiness: Develop the commercial plan for engineering, construction, and transition to operations. Lead contractor intelligence and prequalification activities, establish commercial and procurement delivery plans, and identify long-lead commitments and critical award milestones to support efficient project delivery. Procurement, sourcing and contracting: Lead market engagement and package strategy implementation inclusive of tendering, negotiation, award, and contract formation for major packages, including engineering, construction management and delivery services, long-lead equipment, logistics, and site services. Supply chain and logistics: Oversee supply chain execution and logistics strategy, including cross-border movement into Zambia, customs interfaces, freight forwarding, expediting, critical-path equipment delivery, logistics contractor performance, and contingency planning for high-risk routes and packages. Local contractor engagement and local content: Own the local contractor engagement and local content strategy, including supplier mapping, capability assessment, package design, tender access, mentoring, joint-venture pathways, performance expectations, and reporting. Cost control & forecasting: Partner with Finance on budgeting, forecasting, commitments, and cost discipline. Risk & performance management: Provide systematic oversight of contractor performance management and commercial risk (market, forex movement, geopolitical, contractor claims, variations, and disputes), including the implementation of integrated, cross-functional frameworks alongside project management and controls to provide comprehensive oversight and ability proactively flag and mitigate any deviation to plans. Insurance and risk transfer: Shape and place the project insurance program (construction all risks, marine cargo, delay in start up) in accordance with corporate insurance and align contractual risk allocation with insurance coverage. Team & partner management: Lead the contracting, procurement and supply chain team and build ethical, values aligned supplier partnerships. Qualifications 15+ years of commercial leadership experience on multi-billion dollar mining, oil and gas, infrastructure, or large industrial projects, including direct accountability for commercial strategy, market engagement, procurement, contracting, contractor management, and project outcomes. Demonstrated success forming and implementing high-value EPC, EPCM, design-and-build, engineering services, drilling, construction, logistics, and long-lead equipment contracts on major capital projects, including experience in Africa and direct involvement from package strategy through negotiation, award, administration, claims, variations, and close-out. Deep working knowledge of major construction contract structures (including FIDIC and NEC forms), contracting models, risk allocation, payment mechanisms, incentives, securities, warranties, limits of liability, change management, claims, dispute resolution, and contractor performance remedies. Track record developing local supplier and contractor capability in Africa, Asia, or Latin America, with evidence of measurable outcomes such as increased local participation, improved contractor performance, stronger compliance, safer execution, or reduced delivery risk. Experience working with Chinese suppliers, contractors, and equipment manufacturers will be advantageous, including market engagement, tendering, negotiation, contract formation, technical-commercial alignment, expediting, performance management, and executive-level issue resolution. Proven ability to design and implement commercial systems, governance, and reporting for major projects. Strong business judgement, ethical leadership, and a commitment to transparency. Experience building and leading multi-disciplinary teams. Recognized qualifications in Quantity Surveying, Construction Law, Business, engineering, supply chain, or related field; advanced degree preferred. Ability and willingness to travel internationally to Zambia, with anticipated travel of 90+ days per year. KoBold Metals is an equal opportunity workplace and an affirmative-action employer. We are committed to equal employment opportunities for people of any race, color, ancestry, religion, sex, marital status, national origin, age, citizenship, or disability. Location: Global with Africa or Europe (preferred) otherwise North America.

Location: Remote About the company: In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About The Role: In this role, you will develop state of the art instruments to collect data to guide our exploration programs. You will simulate, characterize, and calibrate sensor performance and design new data acquisition systems. Working with vendors and partners, you will build hardware and work with our operations staff to deploy it in the field. With this sensor data and other data sources at KoBold, you will build models and apply a wide range of scientific computing, statistical, and physics-based methods to find places where there is evidence of ore-forming processes at work and to predict the locations of ore-grade mineralization in 2D and 3D. You will help build a worldwide dataset that underlies our exploration program, with careful attention to identifying and quantifying uncertainty in the data and in our predictions. You will be creating models and developing software to accelerate discovery of critical battery metals. You will join an outstanding team of data scientists and engineers and will work closely with KoBold’s world-renowned geoscientists to incorporate our best understanding of the chemical and physical processes that create ore deposits. Working with your geoscience colleagues, you will identify new opportunities and technologies for geophysical data collection, create 2D and 3D geologic predictions, identify exploration targets, design field programs to collect data, and use that data to reduce the uncertainty in our predictions and guide the next phase of field work. Ultimately, your role is to help KoBold make valuable discoveries by building and deploying next generation hardware and using data tools to solve scientific problems. As one of the early members of this team, you will help build these tools from the ground up. Responsibilities of this position include: Technical execution Design, develop, and deploy new mineral exploration data collection instruments and methods. Help develop KoBold’s proprietary software exploration tools. Find and curate a wide variety of geospectral, geophysical, geochemical, geologic, and geographic data and integrate it into KoBold’s proprietary data system. Build models to make statistically valid predictions about the locations of compositional anomalies within the Earth’s crust. Create effective visualizations for evaluating model performance and enabling rapid interaction with the underlying data and key features. Develop and apply a range of data processing, statistical, and physics-based techniques to geoscientific data — from computer vision to geophysical inversions — and use the results to guide our targeting efforts and inform our acquisition and exploration decisions. Present to and collaborate with our external partners and stakeholders. Push the state of the art in analysis capabilities by implementing statistically rigorous spatially aware clustering, anomaly detection, and other analysis methods Collaborate with data scientists, geoscientists and engineers to invent and deploy algorithms that combine large and complex data sets for mineral exploration and discoveries Qualifications Demonstrated ability to quickly absorb and synthesize complex information, with a track record of high intellectual rigor in a professional setting. Exceptional curiosity and eagerness to learn, with a proactive approach to exploring new concepts and technologies. A successful track record of developing complex equipment with cross-disciplinary teams and vendors. Technical skills, including extensive experience with: Physical measurement and data analysis systems that use phenomena such as optics, electromagnetism, radiation, and gravity. Applying scientific knowledge to identify and prototype emerging technologies Systems integration and data acquisition. Python’s data science packages and general software engineering practices. Collaborative software development (git), and familiarity with software engineering best practices like unit test / integration test suites, and CICD pipelines. SQL, as well as familiarity with non-relational databases. Cloud computing resources. Building a wide variety of predictive models, applying them to different problems, and evaluating and interpreting the results. Data analysis, physics analysis, and applied statistics on a broad range of types of data including data from physical systems. Capacity to dive deep on novel challenging problems in applying ML to mineral exploration, including understanding a complex domain of geology and mineral exploration practices as well as working with limited, disparate and noisy data sources Experience deploying sensors in the field Work practices and motivation: Ability to take ownership and responsibility of large projects. Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Open to working directly with geologists in the field. Enjoys constantly learning such that you are driving insights and innovations. Ability to explain technical problems to and collaborate on solutions with domain experts who aren’t software developers. A strong communicator who enjoys working with colleagues across the company. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on a range of responsibilities. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. Ability to independently prioritize multiple tasks effectively. It is also helpful but not required to have experience with: Remote sensing Creating machine learning models on geospatial data Image processing or computer vision Project and team management What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time Exempt Salary is one part of KoBold’s total compensation. The US salary range for this role is between $125,000 and $235,000, and will depend on your skills, qualifications, experience, and location. In addition to salary, we offer equity compensation. We also offer benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer paid sick time and parental leave." Location: Remote, Candidates can be located anywhere in the United States or Canada. All candidates must be legally authorized to work in the United States or Canada. 10-20% travel required. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote Senior Software Engineer, Scientific Computing About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role At KoBold we believe that a modern scientific computing stack will enable systematic mineral exploration and materially improve our rate of mineral discovery. This role is a key ingredient to this strategy. As a member of our scientific computing team, you will apply software engineering and machine learning to remote-sensing, drillhole, imaging, geophysics and other mineral exploration data in order to build scalable ML systems to help make high-speed, high-quality decisions for our mineral exploration projects. Collaborating with our exceptional team of data scientists and geologists, you will tackle complex scientific problems head-on and collectively pave the way for discoveries of vital energy transition metals like lithium, copper, nickel, and cobalt. Together we can shape the future of mineral exploration and contribute to building a sustainable world. Responsibilities Architect, implement, and maintain foundational scientific computing libraries that will be used in KoBold’s mineral exploration analyses. Integrate third-party and domain-specific tooling — code you did not build and cannot modify — into a coherent, repeatable pipeline: getting a heterogeneous stack to exchange data and behave correctly. Build tooling to increase the velocity of our machine learning progress, including enabling rapid prototyping in Jupyter notebooks; build experimentation, evaluation, and simulation frameworks; turning successful R&D into robust, scalable ML pipelines; and organizing models and their outputs for repeatability and discoverability. Debug across boundaries — third-party binaries, undocumented formats, other people's code, and deployed instrumentation — rather than escalating at the edge of your own module. Apply–and coach team members to use–engineering best practices such as writing robust, testable and composable code. Collaborate with data scientists, geoscientists and engineers to invent the modern scientific computing stack for mineral exploration. Occasional travel to exploration sites around the world to observe the impact of scientific computing on KoBold’s exploration products and design new technologies to further discovery.  Travel is approximately twice per year depending on project needs. Qualifications Our ideal candidate will have: At least 5 years of experience as a software engineer, data scientist or ML engineer, though most great candidates will have closer to 10. Work experience across many distinct technical problem types. Track record of building production quality data processing solutions or tooling that have delivered business value Proficiency with foundational concepts of ML, including statistical, traditional and deep-learning approaches. Proficiency in Python, ideally including array-based packages such as xarray and numpy. Experience with data that comes from the physical world: physical measurements, scientific instrument output, imagery, or geophysical data. Experience in visualizing scientific data for domain experts. Hands-on history with hardware, flight, space, lab instrumentation, or field-deployed systems. Drive to increase the velocity and effectiveness of our data scientists in both experimental and production workflows. Capacity to dive deep on novel challenging problems in applying new technologies to mineral exploration, including understanding a complex domain of geology and mineral exploration practices as well as working with limited, disparate and noisy data sources. Collaborative attitude to work with stakeholders with different backgrounds (data scientists, geoscientists, software engineers, operations). Work practices and motivation: Ability to take ownership and responsibility of large projects. Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Open to working directly with geologists in the field. Enjoys constantly learning such that you are driving insights and innovations. Ability to explain technical problems to and collaborate on solutions with domain experts who aren’t software developers. A strong communicator who enjoys working with colleagues across the company. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on a range of responsibilities. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. Ability to independently prioritize multiple tasks effectively. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time The US base salary range for this full-time exempt position is $170,000 - $215,000 Location:  Remote, Candidates can be located anywhere in the United States or Canada. All candidates must be legally authorized to work in the United States or Canada. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote - US About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role KoBold's ~280 geoscientists, data scientists, and engineers work remote-first across North America, Zambia, the DRC, Sweden, and field exploration sites around the world. As we scale, we are moving IT from reactive, break/fix support toward proactive, automated operations that work seamlessly across geographies — including field sites with limited connectivity. As our Staff Client Platform Engineer, you are the senior-most hands-on engineer for KoBold's client platform: the endpoint fleet (macOS via Jamf, Windows via Intune), the identity layer (Okta, Google Workspace), and the SaaS application portfolio that connects to it. You will build zero-touch provisioning, treat configuration as code, instrument the fleet so we find problems before employees do, and automate the employee lifecycle so new hires are fully productive on day one — whether they sit in Denver or at a drill camp in Zambia. This is a builder's role with technical leadership attached. You will set technical direction for endpoint and fleet tooling, mentor our global IT support staff, and raise the bar for what world-class IT operations looks like at a fast-moving exploration technology company — while spending most of your time engineering: writing Okta workflows, managing Jamf and Intune policy in Terraform, and scripting away repetitive work. Responsibilities Endpoint Platform & Fleet Automation Design and implement zero-touch provisioning and automated reimaging workflows for macOS (Jamf) and Windows (Intune) endpoints Apply DevOps principles to IT operations: configuration-as-code (e.g., managing Jamf and Intune policy via Terraform), version-controlled policies, and repeatable processes Build endpoint monitoring, alerting, and fleet health dashboards to shift IT from reactive to proactive support Drive device lifecycle management: EoL/EoS tracking, hardware refresh planning, and inventory management across Jamf, Intune, CrowdStrike, and related tooling Create self-service application deployment and access workflows that reduce helpdesk volume and empower employees Help build the IT roadmap with the Head of Infrastructure Engineering, setting technical direction for endpoint management and fleet automation across all KoBold offices and field sites in 10+ countries Identity & Access Engineering Own Okta administration: SSO integrations, SCIM provisioning, group management, access request workflows, and lifecycle automation Manage Google Workspace administration, including license management, security settings, and break-glass super-admin governance Build automation for minimal-touch employee onboarding and offboarding — new hires fully provisioned on day one, departures cleanly deprovisioned Support AI tooling rollout (Claude Desktop, Claude Code, and related tools) across the endpoint fleet, including deployment, configuration, and employee enablement SaaS Lifecycle & License Automation Run the software procurement lifecycle — new purchases, renewals, expansions, and cancellations — and build the renewal pipeline tooling so user access is never disrupted by a lapsed license Instrument license utilization across the SaaS portfolio: track usage, right-size seat counts, consolidate redundant tools, and support vendor pricing negotiations with data Onboard new SaaS applications with proper Okta integration (SSO, SCIM) before launch, and manage decommissioning of deprecated tools Partner with finance on software budget tracking, invoice approvals, and AFE submissions; give legal and finance proactive visibility into the renewal pipeline Technical Leadership & Enablement Provide technical mentorship and coaching to KoBold's global IT support staff; set the standard for automation-first problem solving Develop and maintain IT documentation and training for new hires and ongoing employee enablement Provide helpdesk backup on high-volume days, modeling the standard of responsiveness and quality you expect from the platform you build Cross-Functional Collaboration Collaborate with infrastructure engineering and security on observability, access controls, endpoint security posture, incident response, and connectivity standards for remote field sites Partner across the company on specification, vendor selection, and change management for new software requests Learn about mineral exploration by working closely with exploration teams, including time in the field at remote operations Qualifications 7+ years in client platform engineering, IT engineering, or similar roles combining hands-on technical depth with operational ownership Deep experience with MDM platforms, particularly Jamf (macOS) and Microsoft Intune (Windows): policy configuration, automated enrollment, compliance enforcement, and ideally infrastructure-as-code approaches (e.g., Terraform) Strong experience with identity and access management (Okta strongly preferred): SSO integration, SCIM provisioning, access request workflows, and lifecycle automation Hands-on experience building zero-touch provisioning, automated reimaging, and self-service deployment workflows at scale Experience with endpoint monitoring and fleet management at scale, including remote/distributed environments Strong scripting skills (Python, Bash, PowerShell, or similar) for building automation and tooling Experience managing or building tooling for SaaS licensing and renewals: utilization tracking, right-sizing, renewal pipelines, and vendor coordination Technical leadership experience: you have mentored engineers or support staff and led projects end-to-end without formal authority Proven ability to take ownership: you build the roadmap, do the research, implement the solution, write the documentation, and communicate the rollout Strong prioritization instincts — you can look at a long list of IT initiatives and distinguish what actually matters from nice-to-haves, and explain why Excellent communication and collaboration skills — comfortable working across disciplines with engineers, scientists, legal, finance, and leadership in a remote-first environment Intellectually curious; eager to learn about the substance of mineral exploration and exploration technology Comfort with ambiguity and a dynamic work environment; eagerness to take on an evolving range of responsibilities at a fast-growing company Experience supporting global teams across multiple time zones is a strong plus Familiarity with Google Workspace administration, CrowdStrike, Datadog, or the MacAdmins open-source ecosystem (osquery, Santa, Nudge, AutoPkg) is a plus What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is full-time, exempt. The US base salary range for this full-time exempt position is $190,000 – $210,000 USD, plus equity and benefits including 401k matching. Location: KoBold is a remote-first workplace. We are open to candidates currently residing anywhere in the United States or Canada. CST or EST time zone preferred. All candidates must be legally authorized to work in the United States or Canada. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote About the company: In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role We're looking for a sharp, systems-minded Executive Assistant to support our Chief Investment Officer based in London, and 2 VPs (one in London and one in South Africa). You'll be embedded in a fast-moving, Slack-first culture where things change quickly, and attention to detail is the difference between smooth and chaotic. You'll be trusted with sensitive information and high-visibility communications that touch every employee at KoBold. We take hiring seriously, because we're building a team, not just filling a seat. If you move forward, you'll complete a timed written assessment designed to test your judgment, resourcefulness, and communication under pressure. From there, you'll interview with our EA team and, if you advance, with the executives you'd be supporting directly. We're a remote company, which means communication and collaboration aren't nice-to-haves. They're the foundation of how we operate. Our EA team is tight-knit and genuinely invested in each other's success, and we're looking for someone who will add to that, not just show up and do their own thing. The process takes time by design. We want to make sure this is the right fit for you as much as it is for us. Responsibilities Executive Support Own complex, frequently shifting calendars for two busy executives Coordinate meetings across time zones; manage last-minute changes without losing composure Arrange domestic and international travel including flights, hotels, and ground transport, and handle changes quickly Prepare agendas and briefing materials so executives walk into every meeting ready Take notes and track follow-ups when requested Handle expense reports, approvals, and administrative tasks with speed and accuracy Triage inbound requests and route communications through Slack and other tools Qualifications You're the kind of EA who doesn't need to be told what to do twice and doesn't need hand-holding to get things done. You can operate independently, manage competing priorities, and make smart judgment calls on your own. At the same time, you know that great EA work is a team sport. You're a natural collaborator who shows up for the broader EA team, shares context freely, and pitches in when someone else needs support. You communicate with precision: short, clear, no fluff, because you know everyone around you is busy. You're a natural relationship-builder who earns trust quickly and protects it fiercely. You treat sensitive information like it was your own. You bring positive energy to every collaboration and have a natural ability to motivate and enthuse the people around you, even when the work is demanding or the timeline is tight. You have a sunny disposition that's genuinely yours. You understand that you're often the messenger in the middle, and you don't take a curt Slack reply personally. Minimum Qualifications Based in London (close to Shoreditch is a plus!) 7+ years supporting senior executives, ideally two or more simultaneously, in a fast-moving environment Exceptional organizational and project management skills; you've owned multi-step workflows with multiple stakeholders before Flawless attention to detail; you're the person who catches the typo in the deck title Comfortable in real-time communication tools (Slack preferred) and quick to learn new systems Already experimenting with AI, or excited to learn Professional, discreet, and unflappable under pressure Available evenings and weekends when the situation calls for it A genuine team player who collaborates well with other EAs and pitches in beyond your immediate scope when needed We'd love for the right opportunity to bring you to KoBold someday. If you don't yet meet the minimum qualifications for this role, we'd encourage you to hold off and apply when the timing is right. Because our applicant tracking system retains application history, submitting before you're a strong match could affect how your profile is viewed for future roles. We'd much rather see you apply when you're set up to shine! Preferred Experience supporting U.S.-based executives or working in an American high-growth company Familiar with executives who work across evenings and weekends when necessary Comfortable working across time zones with global teams Experience with a culture of high ownership and responsiveness What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunities for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-Time Location: Remote, but must be London-based Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role With over 300 employees across 12 countries, wrangling our People data into well-architected systems for smooth administration and analysis is challenging. We are looking for someone who is capable of building and maintaining systems and contributing to the execution of processes within those tools, such as onboarding and offboarding. The ideal candidate is a certified Workday Pro who thinks in first principles when configuring our tools and workflows. It is paramount that the Senior People Systems Analyst builds for both today and tomorrow, ensuring our solutions endure our growth. Responsibilities Principal configurator of all Workday modules, reports, and business processes Thoughtfully architect our HR data across all places where it exists Manage the administration of review cycles within and outside of Workday Manage HR-related integrations in collaboration with IT Serve as our employee’s point of contact for HR systems questions Configure and maintain various security roles and permissions Partner with internal teams to build reporting and tools that leverage HR data outside of our HR systems Contribute to the entry and management of employee data Qualifications 5+ years of doing the work outlined in this job description Easily gets done whatever they need in Workday Better than any other HR person you have worked with at Excel (or, able to work with data programmatically or in more advanced analytical platforms – e.g., python notebooks, Tableau, Airtable/Coda, etc.) Power-user of AI; aggressively finds opportunities to use automation to replace repetitive manual repetitive work Easily gets done whatever they need in Workday Exceptional project management and communication skills First-principles thinker who can reference best practices without defaulting to them Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Enjoys constantly learning such that you are driving insights through using our tools in exploration and eager to work directly with geologists in the field Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on an evolving range of responsibilities A valid passport and willingness to travel to observe our work at Mingomba or at an exploration site around the world. Travel for this role typically does not exceed 1 trip per year. What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time Exempt. The US base salary range for this full-time exempt position is $90,000 - $160,000, plus equity and benefits including 401k matching. Location: KoBold is a remote-first workplace. All candidates must be legally authorized to work in one of the following countries: United States or Canada. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote About the company: In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About The Role: In this role, you will develop state of the art instruments to collect data to guide our exploration programs. You will simulate, characterize, and calibrate sensor performance and design new data acquisition systems. Working with vendors and partners, you will build hardware and work with our operations staff to deploy it in the field. With this sensor data and other data sources at KoBold, you will build models and apply a wide range of scientific computing, statistical, and physics-based methods to find places where there is evidence of ore-forming processes at work and to predict the locations of ore-grade mineralization in 2D and 3D. You will help build a worldwide dataset that underlies our exploration program, with careful attention to identifying and quantifying uncertainty in the data and in our predictions. You will be creating models and developing software to accelerate discovery of critical battery metals. You will join an outstanding team of data scientists and engineers and will work closely with KoBold’s world-renowned geoscientists to incorporate our best understanding of the chemical and physical processes that create ore deposits. Working with your geoscience colleagues, you will identify new opportunities and technologies for geophysical data collection, create 2D and 3D geologic predictions, identify exploration targets, design field programs to collect data, and use that data to reduce the uncertainty in our predictions and guide the next phase of field work. Ultimately, your role is to help KoBold make valuable discoveries by building and deploying next generation hardware and using data tools to solve scientific problems. As one of the early members of this team, you will help build these tools from the ground up. Responsibilities of this position include: Technical execution Design, develop, and deploy new mineral exploration data collection instruments and methods. Help develop KoBold’s proprietary software exploration tools. Find and curate a wide variety of geospectral, geophysical, geochemical, geologic, and geographic data and integrate it into KoBold’s proprietary data system. Build models to make statistically valid predictions about the locations of compositional anomalies within the Earth’s crust. Create effective visualizations for evaluating model performance and enabling rapid interaction with the underlying data and key features. Develop and apply a range of data processing, statistical, and physics-based techniques to geoscientific data — from computer vision to geophysical inversions — and use the results to guide our targeting efforts and inform our acquisition and exploration decisions. Present to and collaborate with our external partners and stakeholders. Push the state of the art in analysis capabilities by implementing statistically rigorous spatially aware clustering, anomaly detection, and other analysis methods Collaborate with data scientists, geoscientists and engineers to invent and deploy algorithms that combine large and complex data sets for mineral exploration and discoveries Qualifications Demonstrated ability to quickly absorb and synthesize complex information, with a track record of high intellectual rigor in a professional setting. Exceptional curiosity and eagerness to learn, with a proactive approach to exploring new concepts and technologies. A successful track record of developing complex equipment with cross-disciplinary teams and vendors. Technical skills, including extensive experience with: Physical measurement and data analysis systems that use phenomena such as optics, electromagnetism, radiation, and gravity. Applying scientific knowledge to identify and prototype emerging technologies Systems integration and data acquisition. Python’s data science packages and general software engineering practices. Collaborative software development (git), and familiarity with software engineering best practices like unit test / integration test suites, and CICD pipelines. SQL, as well as familiarity with non-relational databases. Cloud computing resources. Building a wide variety of predictive models, applying them to different problems, and evaluating and interpreting the results. Data analysis, physics analysis, and applied statistics on a broad range of types of data including data from physical systems. Capacity to dive deep on novel challenging problems in applying ML to mineral exploration, including understanding a complex domain of geology and mineral exploration practices as well as working with limited, disparate and noisy data sources Experience deploying sensors in the field Work practices and motivation: Ability to take ownership and responsibility of large projects. Intellectual curiosity and eagerness to learn about all aspects of mineral exploration, particularly in the geology domain. Open to working directly with geologists in the field. Enjoys constantly learning such that you are driving insights and innovations. Ability to explain technical problems to and collaborate on solutions with domain experts who aren’t software developers. A strong communicator who enjoys working with colleagues across the company. Excitement about joining a fast-growing early-stage company, comfort with a dynamic work environment, and eagerness to take on a range of responsibilities. Keen not just to build cool technology, but to figure out what technical product to build to best achieve the business objectives of the company. Ability to independently prioritize multiple tasks effectively. It is also helpful but not required to have experience with: Remote sensing Creating machine learning models on geospatial data Image processing or computer vision Project and team management What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunity for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is Full-time Exempt Salary is one part of KoBold’s total compensation. The US salary range for this role is between $125,000 and $235,000, and will depend on your skills, qualifications, experience, and location. In addition to salary, we offer equity compensation. We also offer benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer paid sick time and parental leave." Location: Remote, Candidates can be located anywhere in the United States or Canada. All candidates must be legally authorized to work in the United States or Canada. 10-20% travel required. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.

Location: Remote Senior Drilling Engineer About the Company In the coming decades, demand for critical minerals such as copper, lithium, and cobalt will continue to grow. These minerals are needed to build electric infrastructure, vehicles, data centers, and electronics. However, the mining industry is making 10x fewer discoveries per dollar spent on exploration compared to 30 years ago because the easy-to-find, near surface deposits have largely been discovered. KoBold was founded to be the first AI native mineral exploration, mine development, and technology development company. Our goal is to turn mineral exploration into a repeatable science to discover the minerals the world needs—by integrating artificial intelligence, human intelligence, and new technology. Our multidisciplinary teams of data scientists, engineers, and geologists work together to build data systems, design new sensors, and establish industry-leading workflows to develop and test subsurface predictions on our exploration projects. Our first discovery, Mingomba, is a high-grade copper deposit in Zambia, found after spending materially less than industry average. We are developing Mingomba with the same technical rigor that we apply to exploration. The Mingomba team brings together mine and processing engineers, geologists, data scientists, software engineers, and community, health & safety, construction, and operations specialists. By combining industry knowledge and cutting edge technology, we are developing Mingomba into a world class project that has safer and more predictable outcomes for ourselves, partners, and communities. It is expected to create thousands of good jobs for generations. KoBold runs exploration programs in eight countries, all with the potential for another discovery. KoBold is privately held; investors include institutional asset managers T. Rowe Price and Canada Pension Plan Investments; technology venture capitalists Andreessen Horowitz, Breakthrough Energy Ventures, BOND Capital, Durable Capital, StepStone, and Standard Investments; and strategic natural resources companies BHP and Mitsubishi. About the Role: In the role of Senior Drilling Engineer, you will design, plan, and provide technical oversight of drilling programs across KoBold’s global exploration portfolio. You will work closely with our science teams to translate exploration objectives into hole designs, drilling programs, and operational plans that deliver safe, high-quality data collection at optimal cost. You will report to the Vice President Field Operations and collaborate daily with Geologists, Data Scientists, Field Operations, Drilling, HSE, and other functions. Your primary responsibility will be to serve as the technical lead for drilling engineering on multiple concurrent projects across diverse geographies and commodities. Responsibilities Design and Plan Lead hole design, drilling method selection, and rig specification for complex exploration drilling programs including diamond core, sonic, reverse circulation and air core programs Develop comprehensive drilling execution plans: scope, cost estimates, schedules, risk assessments, and procurement strategies Complete detailed engineering design to inform the development of drilling programs for various hole types including casing design, torque and drag analysis, directional drilling design, mud system design. Complete detailed root cause analysis on all downhole failures with a particular focus on rod string and thread failures, stuck in hole, wireline failures and the correlation to dogleg severity, hole trajectory, and adherence to good drilling practices. Collaborate with KoBold’s science teams to translate exploration hypotheses and data collection objectives into executable drilling programs and AFEs Lead procurement processes from RFP development through bid evaluation and contractor selection, including assessment of contractor safety management plans and technical capability Contribute to data collection planning during all phases of the Exploration Project Lifecycle Generate creative drilling solutions that improve efficiency, data quality, or safety beyond conventional approaches Mentor 2 junior drilling engineers to develop skills related to all aspects noted above Execute Provide technical oversight of drilling operations across multiple concurrent programs, ensuring adherence to hole design, safety standards, and data collection objectives Use advanced hole design and analysis software tools to conduct analyses and develop recommendations during active programs Manage and direct contractor performance, providing technical guidance, feedback, and improvement recommendations Track and forecast production rates, costs, and resource requirements; synthesize complex operational scenarios with benefits and risks for leadership review Ensure drilling safety and value engineering principles are applied throughout program execution Identify and resolve complex multivariable drilling problems using independent judgment and technical expertise Mentor 2 junior drilling engineers to develop skills related to all aspects noted above Close Lead post-program reviews and lessons learned to drive continuous improvement in drilling operations Contribute to the development of KoBold’s drilling engineering standards and best practices Mentor 2 junior drilling engineers to develop skills related to all aspects noted above Compliance and Stakeholder Engagement Ensure drilling programs comply with applicable regulatory, environmental, and permitting requirements across multiple jurisdictions Ensure execution is conducted within applicable permitting processes, land access agreements, community relations obligations, third-party agreements, and any joint venture requirements Represent KoBold to drilling contractors, regulatory bodies, and external partners with professionalism and sound judgment Qualifications Undergraduate or Masters degree in Mechanical, Petroleum, Civil, Geological or Electrical with 7+ years of progressive experience in drilling engineering for oil and gas and/or mineral exploration Fully competent in all standard drilling techniques and procedures, with advanced knowledge of diamond core drilling operations across multiple program types, geographies, and commodities Advanced knowledge of construction methodology relevant to drilling programs, including seasonal and terrain-specific construction (tracks, pads, access roads) Advanced understanding of helicopter-supported exploration drilling, including utilization optimization and emergency response considerations Proficiency in hole design and analysis software tools Strong understanding of procurement processes: RFP development, bid evaluation, contract administration, and vendor management Demonstrated commitment to health and safety standards, including incident management, root cause analysis, and corrective action implementation Comprehensive knowledge of industry drilling codes, company standards, and safety policies Ability to design complex drilling programs including scope, cost estimates, risk assessments, procurement, and execution plans Ability to work in remote and isolated locations for extended periods across diverse global environments A high degree of independence and the ability to work effectively with limited supervision Must speak, read, and write in English, French fluency considered a strong positive Valid First Aid Certification (Level 3 or Wilderness First Aid preferred) Working towards or holding P.Eng. designation or equivalent professional registration Preferred Expert-level knowledge of drilling operations across multiple program types, geographies, and commodities, preference given to those with experience in Africa Experience working on projects with dedicated exploration teams including both Geologists and Data Scientists, demonstrating sustained partnership and effective interdisciplinary collaboration Understanding of regulatory, environmental, and permitting frameworks across multiple jurisdictions Experience with logistics tied to complex remote drilling operations, including helicopter, weather, camps, chartered flights, and camp infrastructure Experience evaluating and introducing new drilling technologies and methodologies Experience mentoring junior drilling engineers and technical staff Additional language skills (French, or languages relevant to KoBold’s operating jurisdictions) are an asset What We Value Effective communication with team members across Geology, Data Science, HSE, Aviation, Legal, Community Relations, and Land and Permitting Perpetuating KoBold’s ethical standards through your own actions and in communicating with others Active collaboration with science teams to ensure drilling programs are optimized for data collection objectives Translating complex technical drilling programs into clear, executable operational work packages for cross-functional audiences Composure and professionalism in high-pressure field situations; serving as a stabilizing presence when others look for direction Receiving constructive and critical feedback with grace and providing constructive guidance to others Interest in contributing broadly to the success of the company and eagerness to pitch in where needed What to Expect Joining KoBold means getting the opportunity for hands-on exposure to our exploration projects around the world. All employees are expected to travel to project sites, with a minimum of one week per year. Field-facing and technical roles spend significantly more time in the field. KoBold Metals is an equal opportunity workplace and an affirmative action employer. We are committed to equal employment opportunities for people of any race, color, ancestry, religion, sex, gender identity, sexual orientation, marital status, national origin, age, citizenship, disability, or veteran status. This position is a Full-Time Employee Location: Location: Remote. Preference will be given to candidates legally authorized to work in the United States, Canada, Australia, South Africa, United Kingdom, or Zambia. Compensation ranges are listed in USD. If you are based outside the US, the range may not translate directly: US pay reflects a different market with different competitive dynamics, so we benchmark roles against the local market rather than converting the listed figure.