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Location: Lugano Workplace: OnSite Blockstream https://blockstream.com/ was founded in 2014 by Dr. Adam Back https://en.wikipedia.org/wiki/Adam_Back and a group of fellow cryptographers and engineers who are passionate about Bitcoin and its potential to change the world. Today, Blockstream is the leading Bitcoin company, providing cutting-edge infrastructure solutions for enterprises, institutions, and individual Bitcoin users. We develop industry-leading Bitcoin self-custody solutions, Bitcoin-based financial products, second-layer scaling technologies, and enterprise-grade blockchain infrastructure. We're looking for a People Operations Specialist, EMEA, to join our People team, reporting to the Head of HR EMEA. This is a hands-on, full-spectrum HR role spanning administrative excellence, employee experience, compliance, and HR business partnering across a fast-paced, multi-country environment. You'll bring structure, attention to detail, and strong execution to everything from day-to-day HR operations to process improvement and automation. Comfort with AI tools and a curiosity for modernizing how HR is delivered are a big plus. If you thrive in a collaborative, fast-moving, and build-phase environment and want to be part of a mission-driven company at the forefront of Bitcoin innovation, we'd love to hear from you. What You’ll Be Doing (Responsibilities) EMPLOYEE EXPERIENCE & HR SUPPORT - Be a trusted and responsive point of contact for employees across the EMEA region - Support employees and managers with HR-related questions, policies, processes, and documentation - Lead onboarding activities and create a seamless and welcoming employee experience - Support employee relations topics with professionalism, care, and consistency - Coordinate engagement initiatives, wellness activities, and internal people programs across multiple countries HR OPERATIONS & ADMINISTRATION - Maintain highly accurate and confidential HRIS records and employee documentation - Coordinate payroll, benefits administration, and vendor communication across EMEA countries - Support HR compliance activities across multiple jurisdictions, with strong focus on Swiss and broader EMEA HR operations - Manage contracts, letters, employment documentation, and HR administrative workflows - Support the development and maintenance of HR policies, handbooks, and internal procedures - Ensure strong operational accuracy and attention to detail across all HR activities HR PROCESS IMPROVEMENT & AUTOMATION - Support modernization and automation of HR processes and workflows - Identify opportunities to improve efficiency through technology and AI-driven tools - Assist with the implementation and optimization of HR systems and operational processes - Bring curiosity and interest in how technology can improve employee experience and HR delivery TALENT & DEVELOPMENT - Support recruiting activities including job postings, candidate communication, interview coordination, and screening - Assist with performance review cycles, goal setting, and employee development initiatives - Coordinate training and learning opportunities across teams - Gradually grow into broader HR business partnering exposure and responsibilities over time What We Look For In You (Required Qualifications) - 5+ years of experience in People Operations, - Strong familiarity with HR operations, HR administration, HR processes, Learning and Development and employee lifecycle management - Experience supporting payroll, contracts, HR systems, and operational HR workflows - Experience working across multiple countries and jurisdictions within EMEA - Knowledge of Swiss and broader EMEA employment law and HR practices - Excellent organizational skills and exceptional attention to detail - Strong work ethic and ability to manage both strategic exposure and highly administrative tasks with equal professionalism - Strong interpersonal and communication skills with the ability to build trust across the organization - Curiosity and familiarity with technology, AI tools, and HR process automation - Proficiency in HRIS systems and Google Workspace (Ashby experience is a plus) - Excellent English and Italian verbal and written communication skills Nice To Haves (Preferred Qualifications) - Experience in tech, fintech, SaaS, or blockchain/cryptocurrency environments - Strong multi-country HR experience across EMEA - German and/or French language skills are highly preferred - Experience improving or automating HR operational processes - Exposure to scaling organizations or fast-growth environments This position requires regular interaction with employees, managers, candidates, and external partners across multiple countries and time zones. The People Operations Specialist EMEA will play a key role in ensuring smooth HR operations, operational excellence, compliance, and a positive employee experience across the region. Schedule: Monday-Friday, office-based in the centre of Lugano and hybrid 2 days per week.

Location: London DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets. We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. DRW is seeking a highly motivated Quantitative Trader to join our Equity Options team, focusing on US and European markets with a specialization in dispersion strategies. This role combines deep quantitative analysis, real-time decision-making, and hands-on trading to identify and capture opportunities between index and single-stock options. You will work closely with technologists, researchers, and other traders to develop, implement, and optimize systematic and discretionary trading strategies. Key Responsibilities Develop, implement, and manage quantitative trading strategies in US and EU equity options markets Design and execute dispersion trades, capturing relative value between index volatility and single-name volatility Conduct in-depth analysis of volatility surfaces, correlation structures, and cross-asset relationships Monitor and manage risk exposures, including vega, gamma, correlation, and tail risks Collaborate with developers to build and enhance trading infrastructure, models, and execution systems Work with LLM’s and AI to work on tools that help improve opportunity spotting Continuously refine models using large datasets, improving forecasting of implied vs realized volatility and correlations Respond to market events in real time, adjusting positions and strategies accordingly Contribute to research on new products, markets, and trading opportunities Required Skills & Experience Strong academic background in Mathematics, Physics, Engineering, Computer Science, or a related quantitative field Proven experience trading equity options, across US and/or European markets Deep understanding of options theory, volatility modeling, and derivatives pricing Experience with or strong knowledge of dispersion and correlation trading strategies Proficiency in programming (Python, C++, or similar) and working with large datasets Strong statistical and analytical skills, with the ability to translate insights into trading decisions Ability to operate effectively in a fast-paced, high-stakes environment Familiarity with market microstructure and execution algorithms Knowledge of index composition, corporate actions, and dividends in US/EU equities For more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at https://drw.com/privacy-notice . California residents, please review the California Privacy Notice for information about certain legal rights at https://drw.com/california-privacy-notice . #LI-JW1

Location: Paris, Remote Workplace: remote 360Learning is seeking a highly skilled and motivated Technical Consultant to join our Professional Services team. As a Technical Consultant, you will be responsible for scoping custom technical and consulting projects, building custom solutions, coordinating with the Technical Services team and delivering on those projects for our clients. You will work closely with our sales and development teams to understand client needs and translate them into technical solutions. The successful candidate will have a strong technical background, excellent problem-solving skills, and a customer-focused mindset. As a Technical Consultant, you are part of our implementation team, who plays a key role in seamlessly onboarding new customers: you are working cross department (Sales, Product and Customer Success) to understand and document client use cases and requirements and then translate them into set up and configuration of the 360Learning platform as well as specifications for the development of Technical Solutions.  You will support and manage all phases of the implementation lifecycle, from sales turnover and kick off to handover to support, mainly on strategic accounts as a technical expert. You will define 360Learning platform architecture for our clients, facilitate integrations (flat files, API’s), 3rd party apps, guide and provide assistance in order to ensure the successful deployment of their platform. As we grow, we need to continue to automatize and find repeatable solutions. Part of your job will be to design tools to either support the rest of the team and specific customer’s requests and avoid time-consuming work. Within 1 month, you will: Become a Trello expert through our onboarding process Understand our product offering through training Master our platform and be able to support clients on basics requests through ticketing Master our integration possibilities (Workato, data lake, flat files, APIs) Within 3 months, you will: Work with clients to understand their technical requirements and scope projects accordingly Collaborate with our sales and development teams to design and implement solutions that meet client requirements Ensure successful delivery of projects on time and within budget Provide technical expertise and support to clients throughout the project lifecycle Continuously learn about new technologies and stay up-to-date with industry trends Develop and maintain technical documentation and project plans Participate in client-facing meetings and presentations Within 6 months, you will: Develop repeatable and scalable processes to improve project quality and delivery Be able to support the team on difficult integrations & troubleshooting issues Contribute to our knowledge base to share best practices and lessons learned Work with our partner ecosystem to strengthen the services proposed to our clients Deliver platform audits to clients Within 12 months, you will: Contribute to our knowledge base to share best practices and lessons learned Work with our partner ecosystem to strengthen the services proposed to our clients Create and propose new services to our Professional Service catalog Present our value proposition to prospects or other SaaS companies and 3rd party developers to encourage them to integrate with our platform The Skills Set: 8+ years of experience supporting technical partnerships and integrations, developer relations, or similar technical role with external stakeholders; customer facing background preferred (e.g. Sales Engineer, Technical Presales, Solution Architect, Technical consultant, Technical Project Manager, Technical Account Manager, Business Analyst) Excellent understanding of APIs and REST integrations Strong technical skills, including experience with programming languages such as Java, Python, or Ruby Knowledge of SaaS platforms, cloud-based solutions, and web technologies Experience scoping projects, designing technical solutions, and delivering projects Excellent problem-solving skills and ability to troubleshoot complex technical issues Ability to adapt your communication to different audiences (highly technical vs. less/non- technical stakeholders) Organized, structured, rational and analytical way of working Ability to work independently and as part of a team in a fast-paced, deadline-driven environment Experience with project management methodologies such as Agile or Scrum is a plus Enthusiasm for our culture explained here https://bit.ly/Convexity360L What we offer: Compensation: Package includes base salary, a variable component and equity 📈 Benefits/Perks : Work From Home stipend, RTT, lunch vouchers, medical insurance, gym subscription, 1 month parental leave for the second parent. Balance: Flexible hours, full remote work possible anywhere in France 🏠. Working remotely from outside France is also possible, subject to some conditions (tenure, performance, destination, length, etc.) and the approval of our Remote Committee 🌍 Diversity, Equity, and Inclusion : We have 6 active ERGs including Mental Health, Environmental/Sustainability, Women, Parents, LGBTQIA2S+, and Ethnic Diversity. Each group has at least one executive team member serving as a member of the group, bringing greater awareness to each group’s activities and providing a quick path to impact 🤝 Corporate Social Responsibility : Review our CSR Charter: 360learning.com/blog/corporate-social-responsibility-charter 🌎🌏🌍 Culture: A framework that will help you make an impact - envision our way of working and our Convexity Culture: https://bit.ly/Convexity_360L & find out more about the teams, product and processes https://bit.ly/42H1ggC 🚀👩🏻‍💻🏆 Interview Process: Phone Screen with our Talent Acquisition Manager Discovery Meeting with our Head of Technical Services Case study with our Head of Technical Services and our Head of professional Services EMEA Clarification Meeting with a Technical Consultant Culture Fit with our VP Global Professional Services Offer! Who We Are 360Learning enables companies to upskill from within by turning their experts into champions for employee, customer, and partner growth. With our LMS for collaborative learning, Learning & Development teams can accelerate upskilling with the help of internal experts instead of slow top-down training. 360Learning is the easiest way to onboard and upskill employees, train customer-facing teams, and enable customers and partners–all from one place. 360Learning powers the future of work at 1,700 organizations. Founded in 2013, 360Learning has raised $240 million with 400+ team members across North America and EMEA. Learning Includes Everyone. In concert with our culture, 360Learning believes learning includes everyone and that means embracing the strengths of diversity, connectedness, and inclusion. Through conscientious efforts, our global footprint celebrates cultures, perspectives, and experiences from all over the world to support our platform that is built for all regardless of race, ethnicity, gender identity or expression, sexual orientation, religion, age, neurodiversity, disability status, citizenship, veteran status or any other aspect which makes an individual unique or protected by laws and regulations in the locations where we operate. Thus, 360Learning is proud to be an equal opportunity workplace, and we commit to continue this throughout our processes for recruitment, compensation, benefits, performance, promotion, and all other conditions and terms of employment. We want to learn from and with you!

Location: Colombia; Mexico; Costa Rica; Argentina; Chile; Brazil About Huzzle At Huzzle, we connect exceptional talent with top opportunities at leading companies across the UK, US, Canada, Europe, and Australia. Our clients include fast-growing startups and established businesses in SaaS, MarTech, FinTech, and EdTech. Unlike traditional outsourcing, you’ll be placed directly with a client as a core member of their team—giving you real ownership, career progression, and long-term stability. Role Type: Full-time Engagement: Independent Contractor About the Company Our client is a leading SaaS-enabled Information Security consulting firm helping global enterprises reduce cyber risk and maintain compliance across complex environments. They partner with Fortune 500 organisations throughout North America, delivering specialised cybersecurity, governance, risk, and compliance solutions to highly technical stakeholders including CISOs, VPs of Information Security, and enterprise security leaders. This is a high-trust enterprise sales environment requiring strong cybersecurity knowledge, consultative communication skills, and confidence engaging executive-level buyers. Job Summary We are seeking an experienced and highly driven Senior Sales Development Representative (SDR) to support enterprise pipeline growth across North America. This role is ideal for someone with a strong cybersecurity or information security background who understands how to engage senior security decision-makers and navigate enterprise sales conversations. You will be responsible for both outbound prospecting and inbound lead qualification, working closely with sales leadership to generate qualified opportunities within Fortune 500 and mid-market accounts. Candidates must be fully bilingual in English and Spanish and have prior experience selling Information Security or IT Consulting services into US-based organisations. Key Responsibilities Prospect and engage enterprise accounts across North America through outbound cold calling, email sequencing, and LinkedIn outreach Qualify inbound leads and schedule discovery meetings for senior sales leadership Build relationships with CISOs, VPs of Information Security, IT Directors, and other cybersecurity stakeholders Conduct research on target accounts, security initiatives, compliance requirements, and organisational pain points Maintain accurate CRM records and activity tracking within HubSpot or Salesforce Use sales engagement tools, power dialers, and LinkedIn Sales Navigator to execute high-volume outreach campaigns Collaborate with marketing and leadership teams on webinars, events, and lead generation initiatives Support pipeline management and contribute to overall revenue growth goals Navigate enterprise sales cycles and compliance-driven conversations involving frameworks such as SOC 2, ISO 27001, and NIST Requirements 3+ years of SDR/BDR experience targeting US-based accounts with a proven track record 2+ years selling Cybersecurity, Information Security, or IT Consulting services Strong cybersecurity and compliance knowledge (SOC 2, ISO 27001, NIST, etc.) Experience selling to CISOs, VPs of Information Security, and enterprise security leaders Fully bilingual in professional English and Spanish (spoken and written) Proficiency with HubSpot or Salesforce, LinkedIn Sales Navigator, sequencing tools, and power dialers Experience handling both outbound prospecting and inbound lead qualification Strong consultative communication, objection handling, and enterprise sales skills Event coordination or marketing support experience is a plus Benefits 🌎 Fully remote role with flexible working hours 🚀 Work with high-growth international companies 📈 Clear career progression to Account Executive and beyond 🎯 Performance-based bonuses and incentives 🤝 Direct hire with global clients (not outsourced) 🧠 Ongoing training, mentorship, and sales development support

Location: Mexico; Colombia; South Africa; Argentina; Brazil; Costa Rica About Huzzle At Huzzle, we connect exceptional talents with top opportunities at leading companies across the UK, US, Canada, Europe, and Australia. Our clients include startups, digital agencies, and tech platforms in industries such as SaaS, MarTech, FinTech, and EdTech. Unlike an outsourcing agency, we place you directly with a client where you’re hired in-house as a valued member of their team. Role Type: Full-time Engagement: Independent Contractor Job Summary We are seeking a highly experienced and results-driven Senior Google Ads Specialist to lead the strategy, execution, and optimization of paid search campaigns across Google Ads. This role is ideal for someone who thrives in a performance marketing environment, understands advanced PPC strategies, and has a proven track record of driving ROI through Google Search, Display, YouTube, and Performance Max campaigns. You’ll work closely with marketing, creative, and analytics teams to build scalable advertising systems that increase conversions, reduce acquisition costs, and maximize campaign performance. Key Responsibilities Develop, launch, and manage high-budget Google Ads campaigns across Search, Display, YouTube, Shopping, and Performance Max. Conduct keyword research, competitor analysis, audience targeting, and campaign structuring to improve ad performance. Monitor campaign KPIs including ROAS, CPA, CTR, conversion rates, and quality scores. Optimize bidding strategies, ad copy, landing pages, and audience segments for continuous improvement. Implement and manage conversion tracking using Google Tag Manager, GA4, and other analytics tools. Generate performance reports and provide actionable insights to stakeholders. Perform A/B testing on ads, creatives, and landing pages to improve conversion performance. Collaborate with design and content teams to create compelling ad creatives and messaging. Stay updated on Google Ads platform changes, automation trends, and PPC best practices. Support strategic growth initiatives and identify opportunities to scale paid acquisition campaigns. Requirements 4+ years of hands-on experience managing Google Ads campaigns at an advanced level. Proven success managing large monthly ad budgets with measurable ROI results. Strong expertise in Google Search Ads, Display Ads, YouTube Ads, and Performance Max campaigns. Experience with Google Analytics 4 (GA4), Google Tag Manager, and conversion tracking setup. Deep understanding of keyword strategies, audience segmentation, bidding models, and attribution. Strong analytical and reporting skills with the ability to interpret campaign data and make strategic decisions. Experience using tools such as SEMrush, Ahrefs, Looker Studio, or similar PPC/reporting platforms is preferred. Excellent communication and project management skills. Ability to work independently in a fully remote environment. Google Ads certifications are highly preferred. Benefits 💻 Fully Remote: Work from anywhere with international teams 🚀 Career Growth: Join companies in SaaS, MarTech, and B2B services 🤝 Peer Community: Connect with high-performing sales professionals in our network 🧭 Ongoing Support: Receive guidance from Huzzle before and after placement 💰 Tailored Compensation: Salaries vary by client and candidate preference — we’ll match you with options that fit your goals

Location: United Kingdom About Huzzle At Huzzle, we connect exceptional talent with top opportunities at leading companies across the UK, US, Canada, Europe, and Australia. Our clients include high-growth startups, consultancies, and technology-driven businesses across sectors such as Sustainability, Energy, Engineering, SaaS, and ClimateTech. Unlike traditional outsourcing agencies, we place you directly with a client where you become a valued part of their internal team. Role Type: Full-time Engagement: Independent Contractor Job Summary We are seeking a motivated and results-driven Sales Development Representative (SDR) with experience in energy consultancy, sustainability, decarbonisation, or engineering consultancy industries. This role is ideal for someone who understands consultative B2B sales and is comfortable engaging decision-makers across commercial and technical environments. You’ll be responsible for outbound prospecting, lead generation, and booking high-quality meetings for the senior sales team. The ideal candidate is highly organised, confident in communication, and experienced in building pipelines within consultancy-led or sustainability-focused businesses. Key Responsibilities Conduct outbound prospecting through email, LinkedIn, phone calls, and other sales channels Identify and engage decision-makers across target industries and accounts Generate qualified meetings and sales opportunities for the commercial team Build and manage prospect lists using CRM and sales engagement tools Maintain accurate CRM records, pipeline updates, and activity tracking Research target companies and tailor outreach messaging to industry-specific pain points Collaborate with sales and leadership teams to refine outreach strategy and positioning Support pipeline growth through consistent outbound activity and follow-up Stay informed on trends within energy, sustainability, engineering, and decarbonisation sectors Requirements Previous experience as an SDR, BDR, or outbound sales representative in a B2B environment Experience working within one or more of the following industries: Energy consultancy Sustainability Decarbonisation Engineering consultancy Strong understanding of consultative sales and lead generation processes Excellent written and verbal English communication skills Comfortable speaking with senior stakeholders and technical decision-makers Experience using CRM systems such as HubSpot, Salesforce, or similar platforms Highly organised with strong time management and follow-up skills Self-motivated, proactive, and target-driven mindset Must be based in the UK Reliable hardware, stable internet connection, and professional remote working setup Nice to Have Experience selling consultancy, technical, or sustainability-focused services Familiarity with outbound sales tools such as Apollo, Sales Navigator, Outreach, or Lemlist Experience working with UK-based clients or commercial teams Understanding of ESG, carbon reduction, or energy efficiency solutions Benefits 💰 Competitive salary with performance-based commission structure 🌍 Fully remote UK-based role 🚀 Opportunity to work within a fast-growing sustainability and energy-focused sector 🤝 Collaborative and supportive team culture 🎯 High-impact role contributing directly to business growth 🧠 Exposure to innovative sustainability and decarbonisation projects

Location: Abu Dhabi, United Arab Emirates; Colombo, Sri Lanka; Manama, Bahrain; Kuwait City, Kuwait; Riyadh, Saudi Arabia; Doha, Qatar Apt Resources is seeking a skilled Borewell Technician to join our client's agriculture farm in Abu Dhabi, UAE. In this role, you will be responsible for the installation, maintenance, and repair of borewell systems that supply water for irrigation and farm operations. Your expertise will ensure that the farm has a reliable water source, vital for crop growth and sustainability. The ideal candidate will possess a strong understanding of borewell operations, troubleshooting skills, and the ability to work independently. You will collaborate closely with the farm management team to ensure efficient water management and support agricultural productivity. Responsibilities Install and maintain borewell systems, ensuring efficient operation and water supply. Conduct regular inspections and troubleshooting of borewell installations. Repair any malfunctions and perform routine maintenance on borewell equipment. Ensure compliance with agricultural water management policies and safety regulations. Collaborate with farm staff to optimize water usage effectively. Keep accurate records of maintenance activities and repairs performed. Requirements Proven experience as a Borewell Technician or similar role in agriculture. Strong knowledge of borewell systems, installation, and maintenance. Ability to troubleshoot technical issues and perform repairs. Excellent problem-solving skills and attention to detail. Ability to work independently and as part of a team. Good physical stamina and the capability to work in outdoor conditions. Benefits Salary: AED2,500 - AED3,000 plus accommodation, and food provided.

Location: Al Jubail, Saudi Arabia; Jamnagar, India; Lusail, Qatar; Dubai, United Arab Emirates Eram Talent is actively seeking an experienced Cost Engineer to handle Project Management activities for the Upstream Unconventional Resources. We seek an experienced Cost Engineer to provide a complete cost engineering service to the team, demonstrating expertise in large, complex projects with a global reach. The ideal candidate will have prior experience in upstream oil and gas, midstream, LNG, refining and petrochemicals industries. Responsibilities Provides all cost engineering expertise and coordinates activities as group/unit leader as required. Responsible for preparation of cost portion of the engineering, procurement and construction contracts. Collects, monitors, analyzes and reports all cost information through the Project Manager. Reviews and analyzes all claims and Change Orders on project contracts. Participates in the negotiation of project contracts as required. Initiates appropriate action when total forecast indicates allocated funds will be exceeded. Collects, monitors, analyzes and reports all cost information through the Project Manager and prepares the necessary reports to monitor cost utilization for the management, as required. Provides assistance to other Project support team on cost reviews, as necessary. Candidate shall have strong technical writing skills and willing to mentor and motivate young Saudi Engineer and Train future work colleagues in their roles and duties in the business. Be proactive and promote a culture of continuous business process improvements. Keeps abreast of significant developments in cost engineering by close review of technical literature, contacts with contractors, visits to areas of construction, and attendance at professional technical meetings. Participates in the negotiation of project contracts as required and reviews the cost portion of the engineering, procurement and construction contracts Requirements A Bachelor's Degree in Engineering, Construction Management, Economics, Business Administration, MIS, Accounting, or closely related field. Minimum of twelve (12) years’ experience in cost engineering including at least five years devoted to petrochemical, refinery, pipeline, or power generation projects. Familiar with construction practices, materials, equipment. Strong interpersonal skills, creative solution and problem solving skills and utilizes computer programs. Candidate shall have strong technical writing skills and willing to mentor and motivate young Saudi Engineer. Knowledge of international standard specification and familiar with Aramco standard especially in Civil, Mechanical and Piping discipline.

Location: Auckland Workplace: OnSite ABOUT HALTER At Halter, we’re on a mission to enable farmers and graziers to run the most productive and sustainable operations. Our customers are using Halter to break free from the time-intensive constraints of conventional practices. Imagine watching 500 cattle stand up and walk calmly towards their next break? No quad bikes, no dogs, no fences. Just a group of cattle walking at their own pace. People say it looks like magic. Our customers are revolutionizing grazing with Halter. It's changing lives and transforming an industry. People join Halter to do meaningful work. By joining us you’ll be solving challenging problems within a talented team and a culture built for high performance. Our team out-think, out-work and out-care. We’re committed to delivering real change in the world - this isn’t easy, and in truth, we love that it’s hard. We’re backed to deliver on a mission that matters by Tier 1 investors including Founders Fund https://foundersfund.com, Bessemer Venture Partners https://www.bvp.com/, BOND, https://www.bondcap.com/ DCVC https://www.dcvc.com/, Blackbird https://www.blackbird.vc/, Promus Ventures https://www.promusventures.com/, Rocket Lab’s Peter Beck and Icehouse ventures https://www.icehouseventures.co.nz/?utm_term=icehouse%20ventures&utm_campaign=Brand+Keywords&utm_source=adwords&utm_medium=ppc&hsa_acc=4064636360&hsa_cam=16902737884&hsa_grp=134004309485&hsa_ad=592971340272&hsa_src=g&hsa_tgt=kwd-1082530126230&hsa_kw=icehouse%20ventures&hsa_mt=b&hsa_net=adwords&hsa_ver=3&gclid=Cj0KCQjw2v-gBhC1ARIsAOQdKY0J0DepRVFDmjQlAkJPbZuQnLSA5UVzUzOXYiPxkjX-SeVa513_BhkaAr-MEALw_wcB. To find out more, visit our LinkedIn https://www.linkedin.com/company/halter-limited & Instagram https://www.instagram.com/lifeathalter/. At Halter, we know how much farmers care-for their animals and their pasture. But the tools they rely on haven’t kept up, and we’re on a mission to change that. Halter helps farmers make smarter decisions - fast. We reckon good pasture management is the key to more productive and sustainable farms. More grass. Healthier soil. Happier animals. And more time back for the people doing the work. ABOUT THE ROLE We’re looking for an epic React Native engineer with a product-obsessed mindset and the ability to lead-someone who cares about what we build, and why. This is a rare chance to solve hard mobile problems at scale. As a lead, you’ll be across our iOS and Android app experience end-to-end-TypeScript, React Native, and the native bridges that make it work. You’ll be hands-on and collaborative; shipping features, improving performance, hardening offline behaviour, and shaping how we work. We care about how you think and act: curious, thoughtful, practical, and someone who takes absolute ownership. WHAT YOU’LL DO - Lead the architecture and implementation of core React Native features, including native modules/bridges where it makes sense. - Bring a strong product lens - you’ll work closely with design and product to make smart trade-offs and ship high-impact features fast. - Use AI tools (e.g. Claude, Cursor) to boost quality and speed without sacrificing readability or tests. - Drive app performance from every angle - The Halter app has a complex mobile product, understanding of how to tune it is an essential skillset. - Build resilient offline-first flows and graceful error handling for real-world field conditions. - Evolve our mobile design system and UI patterns.Raise the bar through reviews, pairing, and mentoring. YOU’LL BE GREAT IF YOU - Are deep in React Native and have strong opinions on mobile architecture (navigation, state, module boundaries). - Think like a product engineer-customer outcomes first, clean code in service of that.Know when to go native and how to design stable bridges. - Have shipped complex React Native apps in cross-functional teams. - Thrive in fast-moving, ambiguous environments.Understand performance deeply, accessibility, testing, and maintainability. - Bonus: experience with CodePush, App Store releases at scale, design systems, and mentoring mobile engineers. - A degree is a bonus, not a requirement OUR BENEFITS - Importantly, we offer an inclusive and attractive remuneration package made up of salary, benefits and an employee stock ownership plan. - Healthy body, healthy mind. We’re partnered with Southern Cross Health Insurance to support your well-being. - Our personal growth is important. Halter offers an annual $1000 self-development budget to be used for anything that fuels personal growth. - We offer 6 months of fully paid parental leave for primary caregivers, 4 weeks of fully paid secondary caregiver leave and many other parental benefits that support you and your family. - Our time to recharge is valued, we’re offered wellness leave and unlimited paid annual leave. OUR OFFICE FIRST APPROACH There’s a reason you visit your friends in person, live with your family and don’t do dinners over Zoom. Humans are wired for connection. We believe a world-class, in-person office culture is the best way for high-performing teams. Being office first is a core pillar of our culture. We believe in-person connections are key to driving your own growth, learning, impact, and building genuine long-lasting relationships. Strong relationships make it easier to disagree, give feedback, and do meaningful and aligned work. We don’t like having heaps of rules or policies, but this means having strong, trusted relationships is critical. We’re office first, not office only. This means working from the office everyday is our default setting, but we flex when we need to. We have a high-trust culture, so everyone is trusted to do what’s best for Halter. Our office vibe is something special, it’s hard to describe until you’re here, but people at Halter who have come from fully remote or hybrid companies say they could never go back - the high energy and spectacular people they are now surrounded by everyday makes work so enjoyable. Your growth, your learning and your impact is truly unlimited here, and a big part of that comes from being together solving problems, innovating, building context, and constantly learning from each other. JOIN OUR TEAM Halter is committed to promoting a diverse and inclusive workplace — a place where we can each be ourselves and do the best work of our lives. Research shows that while men apply to jobs when they meet an average of 60% of the requirements, women and under-represented groups of candidates tend to only apply when they meet every requirement. If you think you have what it takes but don’t necessarily tick every requirement on this job description, please still get in touch and apply to Halter. We’d love to chat to see if you’ll be an epic fit! If this opportunity sounds like you, please apply below by sending through your cover letter explaining why you’re excited about this role and working at Halter, along with your CV, and we’ll be in touch! Please also feel free to check out the careers page https://www.halterhq.com/careers for more information on working at Halter and don't forget to follow us on LinkedIn https://www.linkedin.com/company/halter-limited & Instagram https://www.instagram.com/lifeathalter/. WHY OUR TEAM LOVES WORKING AT HALTER: - Work that genuinely matters. Every now and again a company comes along that transforms an entire industry and leaves the world in a better place. Our team gets to be part of something truly meaningful, helping farmers improve their livelihoods, spend more time with their families, and build more sustainable operations. - Spectacular people solving hard problems. Our culture is designed for talented people to do work that changes lives. The team is filled with diverse, kind, and driven people who push each other to do their best work. You'll be thrown into the deep end, tackling complex challenges and building something tangible that solves real problems. - You'll grow here. Autonomy, mastery, and learning define how we work. You'll have the freedom to work on interesting problems, master new skills, and continuously develop yourself, both through your role and our personal growth fund. - This isn't easy, and we love that it's hard. Working at Halter will be the most rewarding and the most challenging work of your life. We move fast, take bold bets, and work hard to reshape an entire industry. As one team member put it: "Joining Halter is a bit like strapping yourself to a rocket ship, but it's an epic journey to be a part of!"

Location: Dammam, Saudi Arabia We are seeking a highly skilled Technical Trainer - Operations to join our team. This role focuses on delivering comprehensive training programs that enhance the operational skills and technical knowledge of employees in various industrial and technical sectors. The Technical Trainer - Operations will develop and implement effective training modules covering operational procedures, safety protocols, equipment handling, and process optimization. The ideal candidate will possess a strong background in operations, exceptional communication skills, and the ability to assess and improve trainee performance. Responsibilities Design, develop, and deliver training programs related to operational processes and best practices Conduct hands-on and classroom training sessions to enhance operational capabilities Assess trainee competencies and provide constructive feedback Stay updated with industry standards, safety regulations, and technological advancements Collaborate with management and technical teams to align training with organizational goals Requirements Minimum 7+ years of experience in operations within relevant industries 5 years industrial experience within the oil & gas industry Proven experience as a technical trainer or in a similar training role Strong understanding of operational procedures, safety standards, and equipment Excellent communication and presentation skills in English Ability to develop training materials and conduct competency assessments Relevant certifications in training or operations management are preferred

Location: Home Based - APAC Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. Canonical is globally expanding its Embedded Devices Software Solution Sales team, hiring managers, directors, and account managers to broaden reach in mission-critical industries. The successful candidates will focus on our Ubuntu product portfolio, which is already widely used in connected devices and industrial PCs. Our newer offering, Ubuntu Core for IoT, provides state-of-the-art security and resilience for high-end appliances and equipment, serving global brands in consumer, industrial electronics, automotive, and robotics. We are continually enhancing this portfolio with features like real-time Linux capability and pursuing various certifications, representing Linux reinvented for optimal reliability, security, developer productivity, and footprint. We seek technically skilled professionals familiar with embedded Linux and RTOS. This is a high-energy role focused on prospecting sales and strategic account development, demanding ambition and focus. You will be responsible for carrying an annual bookings quota and must be comfortable positioning and selling a range of open source, services, and software solutions. Leveraging Ubuntu's market adoption, the work requires actively building trusted and profitable commercial relationships, developing the potential of your territory beyond managing inbound interest. This involves prospecting new business, maintaining existing relationships, and working with colleagues on account strategy. Candidates must be effective in selling complex technical solutions, including enterprise software, cloud, virtualization, and container technologies, to senior levels of the enterprise and departments focused on embedded software and IoT devices. Professional practice, clear account planning, continuous pipeline reporting, and the ability to travel regionally for client engagement and internationally for company events twice a year are expected. Location: This is a remote role based in Japan. The role entails Building and executing a territory sales plan to prioritize leading security-focused brands and manufacturers Working with marketing to promote our brand and increase market awareness in prioritized accounts Developing pipeline through outreach, prospecting, local marketing, and industry events Closing contracts to meet and exceed quarterly and annual bookings targets and achieve strategic objectives Managing customer relationships and interactions through all stages of the sales cycle Working with Field Engineers to understand customer requirements and ensure customer satisfaction Maintaining accurate data and forecasts within Salesforce Establishing productive professional relationships with key influencers and decision-makers Coordinating with colleagues, including support, delivery, and management What we are looking for in you Exceptional academic track record from both high school and university Undergraduate degree in a technical subject Confidence to respectfully speak up, exchange feedback, and share ideas without hesitation Track record of going above-and-beyond expectations to achieve outstanding results Field sales experience in embedded Linux, embedded software, or enterprise software Track record of achievement of sales targets and large account wins Professional written and spoken English with excellent presentation skills Experience with Linux (Debian or Ubuntu preferred) Excellent interpersonal skills, curiosity, flexibility, and accountability Result-oriented, with a personal drive to meet commitments Ability to travel internationally twice a year, for company events up to two weeks long Willingness to travel up to 50% for customer meetings and industry events Detail oriented with effective follow-up What we offer colleagues We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally. Distributed work environment with twice-yearly team sprints in person Personal learning and development budget of USD 2,000 per year Annual compensation review Recognition rewards Annual holiday leave Maternity and paternity leave Team Member Assistance Program & Wellness Platform Opportunity to travel to new locations to meet colleagues Priority Pass and travel upgrades for long-haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004.​ Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Location: China Workplace: OnSite ABOUT HUMAN ARCHIVE Human Archive is a research lab backed by Y Combinator focused on modeling human embodied intelligence. Humans are the most sophisticated biological systems we have ever observed, yet we still do not fully understand ourselves. Research into human physical intelligence — including the human hand, proprioception, and vision — remains largely unsolved. Our mission is to recover human embodied intelligence as a learned model. To achieve this, we build custom hardware products, deploy them globally at scale, and publish research. Today, our data is used for robotics and world modeling, but the broader opportunity is advancing scientific research into intelligence itself. Founded by Stanford and UC Berkeley researchers, we are lean, deeply technical, and operate at extreme speed, taking on unglamorous and conventionally impossible problems that directly unlock step-function gains in model capability. The deployment of capable humanoids at scale will permanently redefine human labor. Undesirable physical work will disappear, and human effort will shift toward a new era of abundant creativity. We are building the infrastructure to accelerate that transition by assembling the Human Archive mafia. You will own meaningful systems from day one and see your work directly impact model capabilities. This is a once-in-a-generation inflection point. If you want to help reshape physical labor and work on problems that matter at civilizational scale, join us. What you'll work on We're hiring an electrical engineer to lead PCB and power systems for our wearable capture hardware. Dense, high-speed, mixed-signal work in tight wearable form factors. Compute module integration - Custom carrier boards for ARM compute modules - Breakout and routing of high-speed interfaces from compact modules to custom peripherals - Bring-up coordination with firmware High-speed PCB design - End-to-end ownership of rigid-flex and high-density boards - High-bandwidth interfaces (MIPI CSI-2, SerDes, USB 3.x, PCIe, UFS) - EMI, crosstalk, and impedance control in space-constrained designs Power architecture and battery systems - Power Delivery Networks for double-digit-watt wearable loads - Battery management for field-swappable cell architectures - Fuel gauging and runtime estimation - Transient load behavior and power sequencing Sensor and peripheral integration - Multi-camera array electrical integration - Inertial, magnetic, acoustic, and environmental sensor wiring - Low-noise analog rails and shared precision clock distribution Bring-up, debugging, and validation - Board bring-up alongside firmware - Signal integrity, power integrity, and timing diagnosis - EMC pre-scans and compliance support Required technical experience - Strong PCB design in Altium, Cadence Allegro, or KiCad - High-speed digital design: differential pair routing, impedance control, stack-up - SI/PI simulation and validation - Compute module / SoM carrier board experience - Lab debugging instincts (scope, logic analyzer, network analyzer) Strong plus - Multi-camera array design (3+ concurrent cameras) - High-speed SerDes routing - ARM SoC carrier work (Qualcomm, NXP, or similar) - Wearable / body-worn product background - Hot-swap power design - FCC / CE / RoHS compliance and DFM handoff experience About this role You own electrical design end-to-end — schematic through bring-up through production-ready DFM. The interface stack is broad, the form factor is tight, and the boards you design end up on real users. Mistakes show up in the field within weeks. You'll iterate fast.

Location: China Workplace: OnSite ABOUT HUMAN ARCHIVE Human Archive is a research lab backed by Y Combinator focused on modeling human embodied intelligence. Humans are the most sophisticated biological systems we have ever observed, yet we still do not fully understand ourselves. Research into human physical intelligence — including the human hand, proprioception, and vision — remains largely unsolved. Our mission is to recover human embodied intelligence as a learned model. To achieve this, we build custom hardware products, deploy them globally at scale, and publish research. Today, our data is used for robotics and world modeling, but the broader opportunity is advancing scientific research into intelligence itself. Founded by Stanford and UC Berkeley researchers, we are lean, deeply technical, and operate at extreme speed, taking on unglamorous and conventionally impossible problems that directly unlock step-function gains in model capability. The deployment of capable humanoids at scale will permanently redefine human labor. Undesirable physical work will disappear, and human effort will shift toward a new era of abundant creativity. We are building the infrastructure to accelerate that transition by assembling the Human Archive mafia. You will own meaningful systems from day one and see your work directly impact model capabilities. This is a once-in-a-generation inflection point. If you want to help reshape physical labor and work on problems that matter at civilizational scale, join us. What you'll work on We're hiring a firmware engineer to own the embedded software stack on our wearable capture hardware. Close-to-the-metal work at the intersection of high-bandwidth sensor data, precise timing, and constrained-power embedded compute. You read schematics, debug buses, and know when the bug is in firmware versus when it's in hardware. System architecture - Firmware architecture on embedded Linux on ARM - System state machines: boot, capture, idle, fault recovery - Power management states and low-power transitions Sensor integration and timing - Drivers for cameras, IMUs, microphones, environmental sensors - Sub-millisecond cross-sensor synchronization - Hardware-level timestamping infrastructure - Real-time sensor data alignment - Lightweight on-device fusion for orientation and worn-state estimation (Kalman variants) Data pipeline - Multi-stream concurrent capture - Hardware video encoder pipelines - High-throughput storage writes - Industry-standard delivery format packing Connectivity and fleet operations - Device-to-backend telemetry (battery, storage, session state, error events) - Secure OTA firmware updates with signed images and rollback protection - Remote configuration and fleet management commands - Communication protocols for device-cloud messaging (MQTT-over-TLS, HTTPS, WebSockets) Hardware / software bring-up - Firmware-side board bring-up alongside electrical engineers - Validate hardware interfaces (I²C, SPI, USB, MIPI) - Diagnose timing, power sequencing, and communication faults Required technical experience - Strong C/C++ for embedded systems on ARM - Python for testing, tooling, and automation - Camera driver experience (V4L2 or equivalent) - Deep familiarity with embedded interfaces: MIPI CSI-2, I²C, SPI, USB, interrupts - Comfortable reading schematics and datasheets Systems and concurrency - Interrupts, race conditions, memory constraints, real-time scheduling - RTOS concepts and multi-threaded embedded environments Strong plus - Qualcomm, NXP, or Ambarella BSP experience - SerDes driver integration - Hardware H.264 / H.265 encoder pipelines - Precise timing and synchronization (PTP, IEEE 1588) - High-bandwidth data acquisition - Sensor fusion and Kalman filter implementation - OTA infrastructure for deployed fleets - IoT telemetry stacks (MQTT, AWS IoT, Azure IoT Hub, or similar) - ROS, MCAP, or Foxglove About this role Deep systems work. Long hours in the lab during board bring-up. Drivers nobody has written for the silicon you're working with. Firmware that runs unattended on real users for full shifts — and gets updated remotely without ever recalling a device.

Location: China Workplace: OnSite ABOUT HUMAN ARCHIVE Human Archive is a research lab backed by Y Combinator focused on modeling human embodied intelligence. Humans are the most sophisticated biological systems we have ever observed, yet we still do not fully understand ourselves. Research into human physical intelligence — including the human hand, proprioception, and vision — remains largely unsolved. Our mission is to recover human embodied intelligence as a learned model. To achieve this, we build custom hardware products, deploy them globally at scale, and publish research. Today, our data is used for robotics and world modeling, but the broader opportunity is advancing scientific research into intelligence itself. Founded by Stanford and UC Berkeley researchers, we are lean, deeply technical, and operate at extreme speed, taking on unglamorous and conventionally impossible problems that directly unlock step-function gains in model capability. The deployment of capable humanoids at scale will permanently redefine human labor. Undesirable physical work will disappear, and human effort will shift toward a new era of abundant creativity. We are building the infrastructure to accelerate that transition by assembling the Human Archive mafia. You will own meaningful systems from day one and see your work directly impact model capabilities. This is a once-in-a-generation inflection point. If you want to help reshape physical labor and work on problems that matter at civilizational scale, join us. We're hiring a mechanical / CAD engineer to lead the mechanical design of our wearable capture hardware. Hands-on work where physics, optics, manufacturing, and human factors all converge. What you'll work on Mechanical architecture - Chassis design across consumer-grade and production-grade materials - Packaging, weight distribution, and human fit - Serviceability and assembly architecture Optical mount and alignment - Camera and lens mounting systems for multi-camera arrays - Tolerance stack-up against calibration accuracy targets - Kinematic alignment systems and bonded inserts Power and battery packaging - Battery enclosures including swap mechanisms - Connector layout and cable routing - Drop and impact resistance Thermal management - Passive thermal dissipation in tight wearable form factors - Heat spreader integration with chassis materials - Touch-temperature constraints against the user DFM and manufacturing handoff - Design for CNC, injection molding, sheet metal, and composite layup - Production drawings, GD&T, fixture design - Tolerance verification and first-article inspection Required technical experience - Hands-on mechanical CAD: SolidWorks, NX, Creo, or Fusion 360 - Shipped consumer or wearable hardware to real users - DFM fluency across CNC, injection molding, and sheet metal - Tolerance stack-up and GD&T for precision optical systems - Structural and thermal FEA Strong plus - Head-worn or body-worn product background (AR/VR, action cameras, sports tech, smart eyewear) - Composite chassis design (carbon fiber, cyanate ester matrix) - Multi-camera optical alignment - Direct work with Asian ODMs and tooling shops - Background in research-grade capture systems or medical wearables About this role You own mechanical design end-to-end. The product surface is broad, the pace is fast, and your work ends up on real users within months. Compensation reflects the stage. The autonomy reflects it too.

Location: United States + International (Remote) GiveWell’s mission is to help people in need as much as we can by researching the most cost‑effective ways to save and improve lives, sharing our work openly, and directing donations to the programs we believe will do the most good. Our work, which focuses on global health and well-being, is funded by tens of thousands of donors who rely on our research to inform their giving. We’ve grown from directing $1.5 million in 2010 to directing more than $400 million in 2025. We anticipate our total grantmaking is likely to approach or even exceed $1 billion this year, and we are working toward a future that could be several times that scale. Through years of deliberate groundwork, we’ve been growing our research capacity and scope in order to direct substantially more funding to the most impactful opportunities we can find. Update: We will stop accepting new applications for this role on November 26, 2026. Summary GiveWell is seeking a Senior Water Researcher to help direct tens of millions of dollars annually to the most cost-effective water interventions we can find. You will have an outsized influence on our funding decisions and help us save and improve lives on a global scale. Our water grantmaking has historically focused on improving drinking water quality through chlorination — primarily chlorine dispensers and in-line chlorination — in low- and middle-income countries with a high burden of waterborne disease. In 2025, we ran a public Request for Information (RFI) that resulted in 18 pilot grants to 12 implementing partners across six African countries, totaling roughly $20 million. In 2026, we are beginning to pivot from a narrow focus on chlorination toward a broader exploration of the water sector. This includes investigating alternative water quality interventions (e.g., filtration, in-line ultraviolet disinfection, chemical contamination remediation), different clean water delivery models (e.g. diarrheal outbreak prevention and response, safe water enterprises), exploring water access and infrastructure layering with multilaterals such as the World Bank, market shaping for chlorine supply chains and measurement technology, and R&D for hardware and better service delivery models. As a Senior Water Researcher, you'll create and lead ambitious research agendas related to our portfolios of work and answer complex questions that will inform GiveWell's grantmaking decisions. The researchers on our team combine rigorous evidence review, cost-effectiveness modeling, and thoughtful judgment. We're open to a wide variety of professional development pathways depending on your preferences and our needs. The role You will be joining a small grantmaking team to contribute to our ambitious research agenda on water. You'll sift through the countless questions we could try to answer, and hone in on those that matter most. You'll also communicate externally about your work and mentor and advise other researchers on the team. You will shape a research agenda that brings rigor and creativity to the thorniest questions the GiveWell water team faces. Your work will combine empirical evidence review and critical synthesis, cost-effectiveness modeling, discussions with subject matter experts, understanding of the broader context, and your own judgment. What you might work on in your first year: How should we calibrate our cost-effectiveness estimates to real-world program performance? How does chlorination compare with alternative water quality methods — such as filtration, in-line UV, and chemical contamination remediation — across different settings? Where, if anywhere, are these alternatives more cost-effective? Can GiveWell unlock large amounts of cost-effective room for more funding by partnering with multilaterals (e.g. the World Bank) to layer water treatment onto large-scale piped water infrastructure projects? What are the practical and political constraints? To what extent should our portfolio shift between water quality (our current focus) and water access? Are there access-related grantmaking opportunities — for example, supporting direct delivery of clean water, water kiosks, or boreholes paired with treatment — that meet our cost-effectiveness bar? How do we improve our estimate of the all-cause mortality effect of chlorination on children under-5? How should we use new funding mechanisms — such as regranting, prizes, and a possible Water Incubator with implementing partners — to identify and scale promising interventions? The Senior Water Researcher will help shape a major annual grantmaking portfolio, own grant investigations end-to-end (from research question through grant recommendation), and represent GiveWell to external counterparts. You'll have significant latitude to propose new areas of work. Team structure Our research department is currently organized into eight teams: Five of the teams (Livelihoods, Malaria, Nutrition, Vaccination, and Water) focus on specific areas of grantmaking. The New Areas team focuses on interventions in domains that are new to GiveWell. The Cross-Cutting team focuses on methodological issues, research quality, and other big-picture concerns that cut across all of our research work. The Commons team provides generalized research support to each of the other teams, including landscaping research, vetting, and publishing. Team values We think our research team has unique qualities: We care deeply and centrally about finding and sharing truth. Truth-seeking is one of our core values . We post our mistakes and we prize our team members who keep our culture of free-flowing feedback strong. We are independent. We focus 100% on finding the most cost-effective opportunities to save and improve lives. Our researchers assist in communicating our research findings to the public and our donors, and on occasion we provide tailored advice to ultra-high-net-worth donors who want to rely on our expertise to direct their giving—but we never ask our researchers to trade off against honesty, or to hide their real beliefs. We don’t waste time. Once it’s clear that a particular research question is unlikely to change our bottom-line funding recommendation, we drop it as quickly as possible. We encourage our research staff to constantly re-evaluate their portfolios and only work on the highest-priority questions. Lean research team = huge personal impact. In 2026, our research team of ~80 people is directing close to 1 billion dollars and we expect grantmaking dollars per research team member to increase in the future. We work well together. Our research team is lean because we’re able to attract top-tier people, all of whom complete skills-based assessments before joining our staff. We maintain a high-performing, collegial culture and pay our staff accordingly. About you We expect the Senior Water Researcher to have A quantitatively oriented advanced degree (e.g., in epidemiology, environmental engineering, environmental health, public health, economics, or related fields). Substantial professional experience in the water sector or an adjacent field (broadly defined). This could include experience in water quality, WASH, water infrastructure, environmental health modeling, or in program implementation, evaluation, or funding. We're especially interested in candidates with hands-on familiarity with water systems, epidemiology, or both. We don't expect any single candidate to have deep expertise across all of the areas we're exploring (chlorination, filtration, in-line UV, water access, market shaping, R&D), and we're happy to consider strong researchers whose expertise sits in any subset of these. We expect that people with the soft qualities below will be the most successful and happy on our team. This isn’t a full list, but hopefully it conveys the gist of our team’s professional personality: GiveWell’s mission and methods are personally energizing—you like our approach to research and you find personal meaning in our story of impact. You’re abnormally curious—you ask lots of questions, and you’re willing to interrogate others’ work. Your curiosity also extends to your own work—you aren’t defensive when your research comes under scrutiny. You routinely think about and surface the value judgments, background knowledge, and strategic commitments that undergird your work. You understand the potential effects of mistaken mental models, so you strive to improve yours and your team’s. You dislike it when people express strong confidence in views that don’t seem to rely on commensurate evidence. You carefully and legibly communicate about your confidence levels. You appreciate the value of an excellent reputation and strong relationships. You can moderate your directness and intensity when you’re communicating with external folks. You love a gnarly problem . You figure out the most important questions to answer, go deep on the details where they matter (and move on where they don’t), and reassess your mental models based on what you’ve learned. You constantly assess whether you and the team are working on the most important things. If you’re interested in working on GiveWell’s research team but don’t have water expertise, consider applying to our generalist Senior Researcher role, or our Researcher role if you have limited post-graduation experience. The details Compensation: We set salaries using a location-based tier system. Our pay for this role: NYC or the San Francisco Bay Area: $308,000. All other U.S. locations: $280,000. International: Similar to the “all other U.S. locations” salary, based on historical exchange rates and delivered in locally-denominated currency. We can share a precise figure upon request after the first work trial stage. Benefits: Our benefits include: Fully funded health, dental, vision, and life insurance (we cover 100% of premiums within the US for you and any dependents) Four weeks of paid time off per year, plus a one week organization-wide summer break 16 weeks of fully paid parental leave Ergonomic home workstations or coworking space memberships Automatic contribution equal to 5% of your gross salary into your 403(b) retirement plan (for U.S. based staff) Countries we can hire from: GiveWell is a remote-first organization. However, for the time being, we can only hire within a select number of countries (US, UK, Canada, Switzerland, and Germany). To be considered for a role with GiveWell, you need to already be based in one of those countries or be willing to move to one of them. We expect to expand the list of locations where we can hire over the course of 2027, and our job descriptions always reflect the current status — so we'd encourage you to check back and apply again for a role you're eligible for. Visa sponsorship: The US is the only country where visa sponsorship is possible for a number of roles, and it's assessed on a case by case basis. For all other countries, you need to already have work authorization, we cannot sponsor visas. Why we work this way: Focusing on countries where we already have tested onboarding processes lets us move candidates through hiring faster and with fewer surprises. Every additional country brings its own labor laws, EOR requirements, and new processes to work through, which slows things down for hiring teams and new colleagues alike. Concentrating our footprint keeps the experience consistent and supports GiveWell’s wider absorption capacity goals. Flexibility: We support and encourage flexible working, including flexible hours, working remotely, and working from the office when you choose. The majority of our staff, including senior management, work flexibly in one way or another. Travel: Research team members are sometimes required to attend international site visits and conferences (on average 1-2 per year), with additional travel for those interested in traveling more. Additionally, we strongly encourage staff members to attend quarterly whole-org and department retreats to bond with other team members and complete in-person work. We'll discuss travel obligations in more detail during late stages of the hiring process, and we’ll accommodate staff who have conflicting family or other obligations. Start date: We’d like a candidate to start as soon as possible after receiving an offer, but we’ll offer flexibility for candidates whose personal or professional circumstances require them to moderately delay their start date. Miscellaneous details: Please apply to only one Senior Researcher posting. If you have deep expertise in this area, this pod-specific role is the right fit. If not, there's no need to apply here — our generalist Senior Researcher role is designed for strong researchers who don't have a single specialization, and you don't need to apply to both. Applying to the generalist role won't put you at any disadvantage! Please note that our hiring process consists of the same work trials for the following roles: Researcher, Senior Researcher, Senior Cross-Cutting Researcher, Senior Livelihoods Researcher, Senior Malaria Researcher, Senior New Areas Researcher, Senior Nutrition Researcher, Senior Vaccines Researcher, and Senior Water Researcher. If, within the last year, you applied and were rejected for one of these roles, you should hold off on applying to the other roles, unless explicitly asked to do so by a member of our team. If you're interested in all of these roles, please just apply once and note in your application that you'd like to be considered for the other roles, too. After application review, our hiring process consists of a short application exercise and up to 15 hours of compensated work trials. You can see more details about our hiring process on our FAQs page ! We devote significant staff capacity to initial application review, and we respond to all applications as quickly as possible. We have a strong preference for full-time applicants, but we’ll consider applications for part-time work. We aren’t interested in reviewing applications for contract or project-based work at this time. You don't need to submit a cover letter—we rely mainly on your resume and answers to the application questions below when we're making early decisions. About GiveWell GiveWell is dedicated to finding and evaluating highly cost-effective global health and development opportunities, and we publish the work, reasoning, and uncertainties behind our funding decisions. Our giving funds enable donors to contribute to the most impactful and cost-effective programs our researchers identify. GiveWell is one of the world’s largest private funders of global development efforts. Trusted annually by tens of thousands of donors, GiveWell searches for highly cost-effective programs that save or improve lives the most. Since 2007, more than 160,000 donors have given over $3.5 billion through GiveWell to the most promising programs its research has identified, which we estimate will save more than 430,000 lives . GiveWell is most well-known for recommending a small number of Top Charities , which currently support seasonal malaria chemoprevention , insecticide-treated nets , vaccine incentivization , and vitamin A supplementation . However, most of our research capacity and grantmaking is devoted to cost-effective opportunities outside of those programs . GiveWell grants have: Helped governments navigate changes to the funding landscape and implement high-impact health programs, like HIV/syphilis screening and treatment for pregnant people in Zambia and Cameroon. Sought to scope and scale promising interventions that don’t have clear existing implementers. We are supporting the Clinton Health Access Initiative’s Incubator to identify potentially cost-effective interventions and create programs that we would be excited to support in the future. For example, we funded a program to prevent tuberculosis among young children in Uttar Pradesh and Bihar, India, that we co-designed with CHAI through the Incubator program. Provided funding to ensure that programs that recently faced foreign aid funding cuts could continue, like healthcare support and malnutrition treatment in northern Cameroon. Funded program delivery alongside strengthened monitoring and evaluation, as in our grants to support treatment of clubfoot and to evaluate the program . Tested our assumptions and refined our understanding through further research and data collection, including improved estimates of disease burden and studies on the effect of water chlorination on mortality and the impact of a tree-planting program on farmers’ income . We make our reasoning public and transparent so others can challenge it (sometimes we even pay people to point out our errors ). We go to unusual lengths to check our assumptions and assess our impact, including funding research to address our uncertainties and gathering independent monitoring and evaluation data about the programs we support. We change our minds when the evidence demands it. For more about GiveWell, listen to Ezra Klein’s interview with GiveWell’s co-founder and CEO Elie Hassenfeld. Additional information We don’t want to miss candidates that could do great things at GiveWell. Practically, that means a GiveWell staff member reviews every application carefully, considering the whole picture of your background and potential. If you’re on the fence about applying because you meet some but not 100% of our preferred qualifications (some studies suggest this hesitation is especially common for women and people of color), we encourage you to apply anyway. GiveWell is an Equal Employment Opportunity employer by choice. At minimum, this means that we comply with all federal, state, and local EEO and employment laws. Beyond the requirements of those laws, we value our team’s diversity in all respects, and we desire to maintain a work environment free of harassment or discrimination—we want our team members to thrive at GiveWell. If you need assistance or an accommodation due to a disability, contact us at careers@givewell.org. We will consider employment for qualified applicants with arrest and conviction records. By submitting an application, you acknowledge that you have read and consent to GiveWell’s Privacy Statement for Applicants . By completing an application exercise, you acknowledge and assent to GiveWell’s Work Trial Policy .

Location: United States, Los Angeles, CA Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. SIE Studio IT is seeking a Lead Systems Engineer to lead the design, operation, and evolution of our production infrastructure and data center platforms. This role provides technical direction for the Systems Administration team and serves as the senior engineering authority for Linux systems, enterprise server hardware, virtualization, storage, and high-availability infrastructure. Responsibilities Lead the design, deployment, and operational support of Linux and Windows platforms in a production environment. Architect and support enterprise server hardware, including platform selection, RAID configuration, firmware lifecycle management, hardware diagnostics, and performance troubleshooting. Lead the design, deployment, and operation of enterprise and distributed storage platforms, including technologies such as Ceph, NFS-based NAS, and SAN architectures. Design and maintain high‑availability and load‑balanced systems, including clustered servers. Define and own the monitoring, alerting, and observability strategy for infrastructure platforms including storage, virtualization, servers, and operating systems. Partner with vendors and internal teams on hardware selection and lifecycle planning. Establish technical standards, patterns, and documentation that can be executed by the Systems Administration team. Review designs, changes, and implementations performed by Systems Administrators to ensure quality, consistency, and reliability. Act as the technical lead during infrastructure incidents, driving restoration efforts and post-incident review actions. Ensure infrastructure designs align with security standards and requirements. Requirements Bachelor’s degree or equivalent. Strong Linux and Windows administration and engineering experience in enterprise or production environments. Strong hands-on experience with enterprise server hardware, including troubleshooting, lifecycle planning, and firmware management. Strong experience with enterprise storage and distributed storage systems; Ceph experience strongly preferred. Strong experience architecting and administering Windows and Linux server platforms in enterprise or production environments. Strong understanding of how storage, compute, and virtualization interact in performance‑sensitive production environments. Strong scripting and automation skills, preferably Python and/or PowerShell. Proficiency with Active Directory, DNS, and DHCP; Infoblox experience is a plus. Experience designing or overseeing monitoring, alerting, and observability solutions, including dashboarding platforms such as Grafana or equivalent tools. Ability to lead and mentor Systems Administrators. 5+ years of relevant enterprise IT experience in a senior or lead infrastructure role. Available to work varying hours, on-call shifts, including evenings, weekends, and holidays as required. At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location. Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location. In addition, this role is eligible for SIE’s top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Click here to learn more. The estimated base pay range for this role is listed below. $155,900 — $233,900 USD Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks. Please refer to our Candidate Privacy Notice (where applicable) for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights. Equal Opportunity Statement: Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category. We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.

Location: United States, Remote Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. About the Role The Senior Director, Sound leads the creative, technical, and strategic vision for sound, dialogue and talent casting across PlayStation Studios globally. This leader sets the standard for world-class audio experiences, guiding teams and collaborating with internal studios and external partners to deliver groundbreaking, emotionally resonant sound for PlayStation’s portfolio of AAA titles. As the global head of the sound function, the Senior Director partners with studio leadership, technology groups, and executive management to drive innovation, quality, and alignment with PlayStation Studios’ creative and strategic goals. Why Join Us At PlayStation Studios, you’ll help define the future of sound in interactive entertainment. Collaborating with award-winning teams across the globe, you will influence the sonic identity of world-class titles while shaping the next generation of immersive PlayStation audio experiences. Key Responsibilities Leadership & Direction Establish and drive global sound direction and creative vision that aligns with PlayStation Studios. Partner directly with executive and senior leadership to align sound strategy with overall PlayStation Studios goals. Partner with Studio and Audio Directors to ensure the quality of sound across studios, ensuring world-class consistency. Define and champion long-term initiatives that enhance creative and technical excellence globally. Creative Design & Implementation Drive Audio best practices across all PlayStation Studios titles. Lead research and development initiatives with internal teams, hardware partners, and external vendors. Oversee implementation pipelines and raise overall sound quality and performance standards. Present innovation and technology recommendations to executive leadership. Tools, Technology & Asset Management Partner with various technology groups to define and guide PlayStation Studios’ global sound technical roadmap. Direct investment in new tools and technologies impacting audio creation and delivery. Develop new approaches to tracking, analyzing, and improving audio production workflows. Ensure all sound content meets or exceeds the PlayStation Studios quality bar. Recording & Audio Capture Maintain strong global relationships with external recording and production partners. Own PlayStation Studios standards and processes for audio acquisition and recording. Communication & Collaboration Lead global communication efforts for the sound department. Represent PlayStation Studios’ sound innovations through conferences, PR, and industry forums. Partner with leadership to maintain consistent and transparent communication across regions. Cultivate collaboration and knowledge sharing across all sound teams and development partners. Process & Strategic Planning Monitor and forecast global sound team resources, staffing, and budgets to ensure the organization is both sustainable and future ready. Translate executive decisions into regional or studio-level action plans. Collaborate to enhance production processes, improve efficiency, and strengthen cross-studio coordination. Oversee budgeting, scheduling, and headcount allocation globally to maintain a responsive and efficient organization. Innovation Lead global sound innovation initiatives and foster creative experimentation. Regularly benchmark and research emerging industry practices and technologies. Encourage risk-taking and creative excellence within the sound and technology teams. Talent Acquisition & Performance Management Oversee headcount planning and talent strategy for the global sound department. Participate in senior recruiting and key leadership interviews. Define global workforce and succession plans for the sound function. Build a culture of performance, development, and mentorship across the organization. Serve as a model for coaching, feedback, and professional growth. Qualifications 15+ years of audio leadership experience within AAA game development. Minimum of 6 shipped AAA games in a senior sound leadership role. Proven record of managing, mentoring, and inspiring high-performing sound teams. Deep expertise in interactive audio, post-production, and advanced authoring tools (Wwise, FMOD, or proprietary engines). Strong understanding of multidisciplinary development workflows (animation, level design, AI, physics, mechanics). Exceptional executive communication, presentation, and organizational leadership skills. History of delivering innovative, high-quality sound experiences under tight time constraints. Collaborative, visionary leader with a passion for pushing audio boundaries in gaming. At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location. Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location. In addition, this role is eligible for SIE’s top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Click here to learn more. The estimated base pay range for this role is listed below. $235,400 — $353,000 USD Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks. Please refer to our Candidate Privacy Notice (where applicable) for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights. Equal Opportunity Statement: Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category. We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.

Location: Global Workplace: Remote Job description Our core mission at Railway is to make software engineers higher leverage. We believe that people should be given powerful tools so that they can spend less time setting up to do, and more time doing. Many infrastructure platforms simply focus on how you deploy your singular application, and now how these applications function in concert. Questions like “How do you build systems for zero downtime deployment”, “How do you do service-to-service communications”, etc are usually left up to the engineers to define. At Railway, our goal is to be an all encompassing solution to all these problems. As such, we take special care as we define our networking infrastructure. “But the world would be a better place if more engineers, like me, hated technology. The stuff I design, if I'm successful, nobody will ever notice. Things will just work, and will be self-managing” - Radia Perlman About the role For this role, you will: - Build and maintain our host provisioning stack: PXE boot, Ansible, and burn-in agents that bring new bare metal online quickly and confidently - Continue to evolve our homegrown orchestration engine to manage clusters, containers, and VMs through a single lens - Optimize the efficiency of our bin packing algorithm to maximize utilization/performance and minimize costs - Own the internal tooling that Railway engineers use to interact with our fleet every day - Build out internal observability and alerting so we catch fleet problems before customers feel them - Design and maintain the CI pipelines that ship our infrastructure code safely - Define infrastructure that can be torn down, failed over, and reconstituted from scratch using principle of immutable infrastructure using Terraform and Ansible - Build Golang/Rust GRPC services from scratch capable of supporting millions of users - Write Engineering Requirement Documents to take something from idea, to defined tasks, to implementation, to monitoring its success The arc of this role is more internal-facing than user-facing. You're building the platform that Railway engineers run on. This is a high impact, high agency role with direct effect on company culture, trajectory, and outcome. About you - A strong understanding of distributed systems and what it takes to operate them. You enjoy building fault tolerant, resilient, and scalable services, and you care about what happens when they break at 3am - Hands-on experience with bare metal provisioning, configuration management, and the unglamorous-but-critical work of getting hardware production-ready - Comfort building and operating internal tools. You understand that developer experience inside the company matters as much as the product outside it - A solid intuition about how long your solutions will last. All systems age. In startups, we can hope for 2-3 orders of magnitude, or 12-18mo - The tact to implement your solution, create monitors for its error boundaries, and document any requirements for when you're not around - A great sense of direction and prioritization when it comes to dealing with the ambiguity of an early stage startup - A sense of grit to dive into a problem, implement a solution, scale that solution, and replace it when needed - A great set of communication skills for getting your point across, solution implemented, and beyond We value and love to work with diverse persons from all backgrounds Things to know For better or worse, we're a startup; our team dynamics are different from companies of different sizes and stages. - We're distributed ALL across the globe, and that's only going to be more and more distributed. As a result, stuff is ALWAYS happening. - We do NOT expect you to work all the time, but you'll have to be diligent about your boundaries because the end of your day may overlap with the start of someone else's. - We're a small team, with high ownership, who are not only passionate about what we do, but seek to be exceptional as well. At the time of writing we're 21, serving hundreds of thousands of users. There's a lot of stuff going on, and a lot of ambiguity. - We want you to own it. We believe that ownership is a key to growth, and part of that growth is not only being able to make the choices, but owning the success, or failure, that comes with those choices. Benefits and perks At Railway, we provide best in class benefits. Great salary, full health benefits including dependents, strong equity grants, equipment stipend, and much more. For more details, check back on the main careers page https://railway.com/careers. Beyond compensation, there are a few things that we believe that make working at Railway truly unique: - Autonomy: We have very few meetings. Just a Monday and a Friday to go over the Company Board. We think your time is sacred, whether it's at work, or outside of work. - Ownership: We're a company with a high ownership, high autonomy culture. We hope that you'll come in, help us, and over the course of many years do the best work of your life. When we bring you onboard, we expect you to change the company. - Novel problems/solutions: We're a startup that's well funded, with cool problems, which lets us implement novel solutions! We abhor “busywork” and think, whether it's community, engineering, operations, etc there's always opportunity for creative and high leverage solutions. - Growth: We want you to grow with us, but we know that talent is loaned, so when you figure out what area you want to grow in next, whether it's at Railway or outside, we'll make sure you land there. How we hire No tricks. No surprises. Here's the entire process. 1) Talk with us about the role This is completely open ended and we're just trying to see who you are, what you want to do, and where you wanna go. 2) Work on a small project to discuss in the interview Asynchronously implement the following: - Imagine a theoretical or actual system like Railway which can manage stateless and stateful compute workloads. Design the engine for managing orchestration - Interview Structure (60 Minutes): - Pre-work (before your interview): Complete your solution (advised) - 0-5m: introduction - 5-50m: Building (or expanding) your solution - 50-60m: Questions on Railway/Tech/etc You can, and SHOULD! ask us questions ahead of time. Ask away! 3) Review your solution with the Team You'll sit down with someone on the team and go over the above. We'll poke into your solution, as well as get you acquainted with two more members of the team. Looking for: Learn about your problem solving skills. How you break down a problem and how you present a solution. 4) Meet the Team You'll meet the Team, which will be comprised of 4 people from vastly different sections of the company. Looking for: How you work with the rest of the team and communicate. 5) Chat with CEO Sit down with our founder and CEO for 30 minutes. This is a 1:1, open ended conversation. 6) Offer call Finally, we will present the offers, hammer out the details about your position, tee up onboarding, and start our journey together. Final Note: The interview goes both ways. Once again, please ask us things. Many things! Hard things. That's what we're here for.