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Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Contract-to-Permanent (Preferred) / Contract 🏢 Work Arrangement: Remote Opportunity for US and Canadian citizens. Relocation assistance + bonus for European and UK candidates. 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally eligible to work in Canada . Must be capable of obtaining the required security clearance . English proficiency is required. French is considered an asset. Candidates must have strong experience with fault-tolerant embedded systems supporting LEO, MEO, and/or GEO spacecraft missions. About the Role We are seeking an experienced Satellite Bus Flight Software Systems Engineer to lead and support the system-level definition, architecture, integration, verification, and operational readiness of flight software for current and next-generation spacecraft platforms. This is a systems engineering and technical leadership role at the intersection of spacecraft architecture, platform subsystems, embedded flight software, avionics, mission operations, and verification. You will ensure that spacecraft bus flight software meets platform and payload functional, performance, autonomy, safety, reliability, and operational requirements throughout the full spacecraft lifecycle—from early architecture and detailed design through integration, launch preparation, commissioning, and on-orbit operations. Key Responsibilities Translate functional, performance, safety, and security requirements into flight software requirements and architecture. Allocate requirements to software modules and execution threads while maintaining bidirectional requirements traceability. Define Flight Software (FSW) architecture, including: RTOS Initialization PUS services Autonomy Health monitoring Fault management Payload interfaces Define FDIR algorithms , isolation logic, recovery actions, safe-mode sequencing, and redundancy management. Guide the integration of FDIR logic into flight software. Develop and maintain Interface Control Documents (ICDs) for payload, platform, and ground-segment interfaces. Support Satellite Reference Database development and validation. Collaborate with payload, platform, ground-segment, and mission-operations teams to identify and resolve integration issues. Develop and support Flight Software Verification Plans and integration testing. Support SIL, HIL, fault-injection, performance, and security testing . Support verification and test automation frameworks, test case development, results analysis, and test-report certification. Support spacecraft mode and operational procedure development. Analyze on-orbit telemetry and support software updates and operational improvements. Support SOOH development and operator training. Participate in major design reviews, including SRR, PDR, CDR, MRR/TRR . Mentor junior engineers and serve as a technical liaison with customers, partners, and vendors. Contribute to engineering standards, process improvements, technology roadmaps, and lessons learned. Required Qualifications Bachelor's degree in Electrical Engineering, Aerospace Engineering, Computer Science, Embedded Systems , or a related field. 10+ years of experience working with fault-tolerant embedded systems on LEO, MEO, and/or GEO satellite missions . Experience with: CCSDS ECSS PUS services MIL-STD-1553 SpaceWire RS-422/485 CAN Ethernet Experience with real-time computing cores and/or embedded Linux . Experience with auto-coding or automated code-generation workflows. Strong understanding of aerospace systems engineering fundamentals. Hands-on experience supporting systems integration, testing, troubleshooting, and problem resolution . Experience with Confluence and JIRA . Ability to work independently with minimal supervision. Strong analytical and problem-solving skills, with the ability to break down complex technical challenges into fundamental components. Excellent written and verbal communication skills in English . Preferred Qualifications Experience with end-to-end spacecraft flight software development and integration. Experience with FDIR, spacecraft autonomy, safe-mode management, and redundancy management . Experience supporting spacecraft commissioning and on-orbit operations . Experience with SIL/HIL , fault injection, and automated verification frameworks. Experience integrating flight software with spacecraft payloads, avionics, and ground systems. French language proficiency. Experience supporting satellite programs from early concept and architecture through launch and on-orbit operations.

Location: Montreal, Canada 📍 Location: Montreal, Canada 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote opportunity for US and Canadian citizens. Relocation assistance + bonus for European candidates. 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be eligible to obtain or hold Controlled Goods Program (CGP) clearance . H-1B visa holders are welcome to apply. Remote opportunity for US and Canadian citizens. Relocation assistance + bonus for European candidates. About the Role We are seeking an experienced Satellite and Payload System Test Authority to lead the planning, coordination, and execution of system-level testing for advanced satellite and payload communication systems. In this role, you will oversee the validation and integration of satellite platforms, payloads, and ground systems to ensure mission readiness and performance. The ideal candidate has extensive experience in satellite communications, systems engineering, and integration testing across LEO, MEO, or GEO satellite programs. Key Responsibilities Lead system-level testing, validation, and verification activities for satellite and payload communication systems. Develop and execute test strategies, procedures, and plans for satellite and payload integration. Support the integration of space and ground segment systems throughout the project lifecycle. Analyze system performance and troubleshoot hardware, software, and communication issues during testing. Collaborate with multidisciplinary engineering teams to ensure successful system integration and mission readiness. Support flight software integration, satellite database validation, and operational testing. Develop automation tools and scripts using Python or other scripting languages to improve testing efficiency. Prepare technical documentation, test reports, and engineering recommendations. Required Qualifications Bachelor's degree in Electrical Engineering or a related engineering discipline. 10+ years of relevant experience in digital communications within the space industry. Experience with LEO, MEO, and/or GEO satellite communication systems . Strong understanding of: Phased Array Antenna systems with multiple active elements Digital modulation techniques, signal processing, and networking Space and ground segment architecture, specification, and integration Flight Software and Satellite Database concepts Proficiency with Python or other scripting languages. Preferred Qualifications Experience leading system integration, verification, and validation activities for satellite or payload systems. Experience supporting satellite communications, payload development, or mission operations. Knowledge of automated test frameworks and systems engineering best practices. Strong leadership, analytical, and cross-functional collaboration skills.

Location: Montreal, Canada 📍 Location: Montreal, Canada 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity for US and Canadian c itizens. Relocation assistance + bonus for European candidates. 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be eligible to obtain or hold Controlled Goods Program (CGP) clearance . H-1B visa holders are welcome to apply. Remote Opportunity for US and Canadian Citizens. Relocation assistance + bonus for European candidates. About the Role We are seeking a Phased Array Antenna Systems Engineer to support the design, development, and integration of advanced antenna systems for next-generation satellite programs. In this role, you will contribute to phased array antenna design, beamforming technologies, system integration, and antenna testing to ensure optimal performance across space and ground segment applications. The ideal candidate has strong expertise in antenna systems engineering, RF technologies, and simulation tools within aerospace or satellite communications environments. Key Responsibilities Design, develop, and optimize phased array antenna systems for satellite applications. Support active antenna system design, beamforming, and antenna performance analysis. Conduct antenna testing, validation, and radiated performance measurements. Support the specification, integration, and verification of antenna systems for space and ground segment applications. Perform system modeling and simulations using MATLAB , Simulink , and other engineering tools. Analyze antenna parameters and recommend design improvements to optimize system performance. Collaborate with multidisciplinary engineering teams to support system integration and testing. Prepare technical documentation, test reports, and engineering analyses. Required Qualifications Bachelor's degree in Electrical Engineering or an equivalent engineering discipline. 5+ years of relevant engineering experience. Experience with: Active antenna system design Phased array antennas and beamforming technologies Antenna performance analysis and antenna parameters Antenna testing and radiated test facilities Space and/or ground segment antenna design, specification, and integration methodologies Proficiency with MATLAB , Simulink , and other engineering simulation tools. Preferred Qualifications Experience supporting satellite communications or aerospace antenna systems. Knowledge of RF system design and electromagnetic principles. Experience with antenna modeling, simulation, and system validation. Strong analytical, problem-solving, and cross-functional collaboration skills.

Location: Atlanta Workplace: OnSite Company Description We’re http://checkout.comCheckout.com http://Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day. We are where the world checks out, enabling over 10 billion transactions yearly for more than one billion global shoppers. Whether you want to book a holiday, order food, renew a subscription, or check out online, there’s a good chance our tech powers the payments behind the scenes. Our platform helps the most ambitious businesses deliver effortless digital experiences, at scale. If you want to do career-defining work, you’ve come to the right place. We move fast, think globally, and believe great teams are built by hiring exceptional people with conviction, curiosity, and the desire to make an impact. With 20 offices across six continents and London as our HQ, we’re shaping the future of fintech – and we’re just getting started. Job Description We are seeking a highly motivated Senior Manager, Financial Control to lead our accounting operations and regulatory reporting efforts in Atlanta. Reporting to the Americas Controller, you will be a strategic partner in our US expansion, overseeing the integrity of our financial controls and ensuring robust compliance with state and federal regulations. This is a high-impact role requiring a blend of technical US GAAP expertise, leadership, and a 'hands-on' approach to building scalable financial processes. The ideal candidate will be someone that is self-motivated with excellent communication skills. Key Responsibilities: - Lead the preparation and ownership of entity-level management accounts, ensuring the accuracy of financial data used for both internal decision-making and external reporting - Manage the oversight, preparation and timely submission of all required regulatory filings (quarterly and annual) as designated by the regulators - Drive the regional financial audit process, serving as the liaison for external auditors to ensure timely audits - Perform reconciliations to other regulatory and external filings - Be the primary Accounting contact with US regulators - Collaborate with cross-functional teams, including Treasury and Compliance, to ensure the entities remain compliant with all regulations Skills & Experience: - 6+ years of experience in accounting, auditing, regulatory, and/or SEC reporting - Bachelor’s degree in accounting - Public accounting experience with Big 4 and holds an active CPA - Expert-level knowledge of US GAAP and the ability to interpret and apply complex accounting standards - Experience dealing with regulators in a senior management capacity - Demonstrated commitment to quality, accuracy, and due diligence - Strong leadership and communication skills, with a proven ability to drive cross-functional initiatives and build collaborative relationships - Knowledge of IFRS would be a plus - Direct experience with FinTech, Payments or Banking is highly preferred - Experience working in a fast-paced, high growth environment. Additional Information Bring all of you to work We create the conditions for high performers to thrive, through real ownership, fewer blockers, and work that makes a difference from day one. Here, you’ll move fast, take on meaningful challenges, and be recognized for the impact you deliver. It’s a place where ambition gets met with opportunity, and where your growth is in your hands. We work as one team, and we back each other to succeed. So whatever your background or identity, if you’re ready to grow and make a difference, you’ll be right at home here. It’s important we set you up for success and make our process as accessible as possible. So let us know in your application, or tell your recruiter directly, if you need anything to make your experience or working environment more comfortable. Life at Checkout.com http://Checkout.com We understand that work is just one part of your life. Our hybrid working model offers flexibility, with three days per week in the office to support collaboration and connection. Curious about what it’s like to be part of our team? Visit our Careers Page https://www.checkout.com/careers to learn more about our culture, open roles, and what drives us. For a closer look at daily life at Checkout.com http://Checkout.com, follow us on LinkedIn https://www.linkedin.com/company/checkout/life/ and Instagram https://www.instagram.com/checkout_com/

Location: Montreal, Canada 📍 Location: Montreal, Canada 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be eligible to obtain or hold Controlled Goods Program (CGP) clearance . H-1B visa holders are welcome to apply. Remote Opportunity for US and Canadian citizens. Relocation assistance + bonus for European candidates. About the Role We are seeking an experienced Phased Array Antenna Lead Systems Engineer to provide technical leadership in the design, development, and integration of advanced phased array antenna systems for next-generation satellite programs. In this role, you will lead antenna systems engineering activities, oversee system integration and testing, and collaborate with multidisciplinary teams to deliver high-performance solutions for space and ground segment applications. The ideal candidate has deep expertise in phased array technologies, beamforming, antenna system design, and satellite communications. Key Responsibilities Lead the design, development, and integration of phased array antenna systems for satellite applications. Provide technical leadership for active antenna system design, beamforming, and antenna performance optimization. Oversee antenna testing, validation, and radiated performance measurements. Define antenna system requirements, specifications, and integration strategies for space and ground segment applications. Perform system modeling and simulation using MATLAB , Simulink , and other engineering tools. Analyze antenna parameters and recommend design improvements to maximize system performance. Collaborate with multidisciplinary engineering teams to support system integration, testing, and project delivery. Mentor junior engineers and contribute to technical reviews, documentation, and engineering best practices. Required Qualifications Bachelor's degree in Electrical Engineering or an equivalent engineering discipline. 10+ years of relevant engineering experience. Strong experience with: Active antenna system design Phased array antennas and beamforming technologies Antenna performance analysis and antenna parameters Antenna testing and radiated test facilities Space and/or ground segment antenna design, specification, and integration methodologies Proficiency with MATLAB , Simulink , and other engineering simulation tools. Preferred Qualifications Experience leading antenna systems engineering projects for satellite or aerospace programs. Expertise in RF systems, phased array technologies, and electromagnetic analysis. Experience supporting satellite communications, payload development, or space systems integration. Strong leadership, communication, and cross-functional collaboration skills.

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity for US and Canadian Citizen 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally authorized to work in Canada . Must be eligible to obtain the required security clearance. Candidates may be based in the United States, Canada, or Europe , provided they meet work authorization and security clearance requirements. About the Role We are seeking a Payload System Verification & Validation Engineer to support the verification and validation of advanced digital telecommunications payloads. In this role, you will develop and execute comprehensive test plans, validate system requirements, and ensure the performance and reliability of next-generation payload architectures. The ideal candidate has a strong background in telecommunications systems, RF testing, and verification methodologies, with experience working on complex digital payloads in the aerospace, telecommunications, or related industries. Key Responsibilities Develop and execute verification and validation (V&V) plans for digital telecommunications payload systems. Perform requirements verification through system-level and component-level testing. Validate the performance of digital payload architectures, including Software Defined Radio (SDR) processors and digital beamforming systems. Conduct RF testing using industry-standard test equipment and methodologies. Develop test automation scripts and analyze test data using Python, MATLAB, or similar tools. Configure and control laboratory test equipment using SCPI, VISA, and related interfaces. Collaborate with hardware, software, systems, and integration teams to resolve technical issues and ensure system compliance. Prepare technical documentation, test reports, and verification evidence to support project milestones. Required Qualifications Bachelor's degree in Electrical Engineering, Telecommunications, Aerospace Engineering , or a related field. 5+ years of experience in telecommunications systems, particularly digital payloads (experience outside the space industry will also be considered). Strong expertise in requirements verification through testing , including the development and execution of test plans. Solid understanding of: Digital payload architectures Software Defined Radio (SDR)-based flexible processors Digital beamforming using DRA Hands-on experience with: Vector Network Analyzers (VNA) Spectrum Analyzers Baseband Signal Generators Channel Emulators Bit Error Rate (BER) Testers Python, MATLAB, or LabVIEW for test automation and data analysis SCPI, VISA, and similar interfaces for instrument control Preferred Qualifications Experience with FPGA-based systems and embedded software architectures. Experience supporting satellite payload verification, telecommunications systems, or aerospace programs. Familiarity with RF system integration, system verification, and digital communication technologies. Strong analytical, troubleshooting, and cross-functional collaboration skills.

Location: Guatemala; San Jose, Costa Rica Workplace: fully About The Role: At Paysend, we're building the future of global payments - making money movement simple, fast, and accessible for everyone. As an Application Support Analyst, you'll play a critical role in delivering on that promise by ensuring our platforms run reliably and our customers can send and receive money without interruption. The Application Support Analyst owns the health of our transaction ecosystem end to end: investigating individual transactions and broader flow anomalies, detecting issues before they escalate, supporting release deployments and post-release system verification, and driving incidents to resolution across both our B2C and Enterprise product lines. You'll work with large volumes of real-time payment data, using tools like Oracle SQL, Postman, OpenSearch, and Grafana to trace transactions, diagnose root causes, and keep critical payment services running smoothly. This role is ideal for someone who enjoys solving complex problems, thrives in a fast-paced environment, and wants to make a tangible impact on the experience of millions of customers around the world. What You'll Do (Responsibilities): Transaction Administration: Analyze, track, and manage end-to-end payment transaction flows using Oracle SQL, Postman, and OpenSearch. System & Performance Monitoring: Maintain business-critical payment services, track SLA windows, and actively monitor system health using Grafana and related tools. Incident Management & Resolution: Conduct incident response efforts, including root-cause investigations, documentation of incident reports, and coordination of cross-functional teams to resolution. Stuck & Flagged Transaction Handling: Resolve transactions flagged for manual parsing and investigate payouts or funding stuck in pending status (>3 days), updating statuses or escalating as needed. Partner & Bank Communication: Serve as a point of contact for partners and banks to resolve processing issues, file-loading discrepancies, and data reporting corrections. SAR & PDP Reconciliation: Troubleshoot SAR reconciliation issues, including unmatched transactions, missing/duplicate report data, and platform data mismatches. Releases & Deployment: Coordinate, execute, and roll back service releases, verifying post-release system health and performance graphs. What You Bring to the Team: Problem-solving mindset with the drive to investigate novel issues and determine solution steps independently Technical Troubleshooting: Practical experience using SQL for data querying, alongside Postman to read API documentation and debug partner integrations. Monitoring & Operations: Basic Linux, network, or cloud administration experience. Incident & Escalation Management: Ability to manage concurrent, time-sensitive incidents under strict SLA windows, moving from root-cause analysis to final resolution. Cross-Functional Collaboration: Experience interfacing with external entities (banks, PSPs, processors) and internal stakeholders (Engineering, Settlement, Customer Support). Programming Literacy: Basic skills in any programming language to read code, run scripts, or inspect data payloads. Communication Skills: Advanced written and verbal English skills for managing communications with internal teams and external financial partners. Nice To Have Experience working directly with OpenSearch for log and transaction analysis. Hands-on experience with team collaboration tools (Slack, Google Workspace, Jira, Confluence). Domain knowledge in financial workflows, payment lifecycles, and core fintech terminology. Bachelor's degree in Computer Science, Information Systems, or a related operational field. Why Join Paysend? Make a Global Impact: Join a company that is transforming how people and businesses move money around the world. Your work will contribute to products and services that help millions of customers stay connected globally. Own Meaningful Outcomes: We empower our people to take ownership, make decisions, and drive real impact. You'll have the opportunity to shape solutions, challenge the status quo, and see the results of your work firsthand. Grow with Us: As a fast-growing global fintech, we offer opportunities to learn, develop new skills, take on new challenges, and advance your career across functions and geographies. Collaborate with Exceptional People: Work alongside talented colleagues from diverse backgrounds and disciplines who are united by a shared ambition to build, innovate, and deliver great outcomes for our customers. Move Fast and Make Things Happen: We value action, curiosity, and continuous improvement. You'll be part of a culture that encourages experimentation, embraces change, and focuses on delivering meaningful results. Be Part of Our Journey: We're building the future of the global money movement. Join us at an exciting stage of growth where your ideas, expertise, and contributions can help shape what's next.

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally authorized to work in Canada . Must be eligible to obtain the required security clearance. Candidates may be based in the United States, Canada, or Europe , provided they meet work authorization and security clearance requirements. About the Role We are seeking a Payload System Software Integration Engineer to lead the integration of software for advanced digital telecommunications payloads. In this role, you will coordinate software integration across complex distributed systems, support the development of Software Defined Radio (SDR) and digital beamforming technologies, and work closely with multidisciplinary teams to ensure seamless system performance. The ideal candidate has strong experience in software integration, embedded systems, and aerospace or telecommunications environments. Key Responsibilities Lead software integration activities for digital telecommunications payload systems. Integrate and validate software across complex, distributed system architectures. Collaborate with hardware, software, systems, and test engineering teams to ensure successful system integration. Support the development and integration of Software Defined Radio (SDR) and digital beamforming technologies. Work with embedded software, real-time operating systems (RTOS), FPGA interfaces, and communication protocols. Develop and maintain automated testing and CI/CD pipelines to improve software quality and deployment. Identify, assess, and mitigate technical risks associated with software integration. Prepare technical documentation and support system verification and validation activities. Required Qualifications Bachelor's degree in Software Engineering, Computer Science, Electrical Engineering , or a related field. 5+ years of experience in software development and integration, preferably within the aerospace or telecommunications industry. Experience leading software integration activities in complex, distributed systems. Strong understanding of digital telecommunications payloads, including Software Defined Radio (SDR) and digital beamforming architectures. Familiarity with: Embedded software development Real-Time Operating Systems (RTOS) FPGA interfaces Communication protocols Hands-on experience with: Test automation CI/CD practices GitLab Jenkins Python MATLAB Docker Strong collaboration, communication, and technical risk management skills. Preferred Qualifications Experience supporting satellite payload or space systems integration. Knowledge of aerospace software development lifecycle and systems engineering practices. Experience with mission-critical or safety-critical software systems. Familiarity with satellite communications or digital payload technologies.

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada (On-site preferred; exceptional remote candidates will be considered) 📄 Employment Type: Contract-to-Permanent (Preferred) / Contract 🏢 Work Arrangement: Remote Opportunity 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Candidates must possess both of the following non-negotiable qualifications: Model-Based Systems Engineering (MBSE) experience, including SysML , Cameo Systems Modeler , functional decomposition, and requirements traceability. Launch and Early Orbit Phase (LEOP) operations experience, including spacecraft commissioning and/or routine satellite operations. Please note: Candidates who do not have both MBSE and LEOP experience will not be considered. Exceptional candidates may be considered for a fully remote arrangement. Remote candidates must demonstrate significantly stronger MBSE expertise and satellite operations experience than on-site candidates. About the Role We are seeking an experienced Model-Based Systems Engineer (MBSE) to support the development of advanced satellite systems through modern digital engineering practices. In this role, you will develop and maintain system architectures, create model-based engineering artifacts, and ensure end-to-end requirements traceability while supporting spacecraft commissioning and operations during the Launch and Early Orbit Phase (LEOP) . The ideal candidate has a strong background in satellite systems engineering, MBSE methodologies, and mission operations, with the ability to collaborate across multidisciplinary engineering teams. Key Responsibilities Develop and maintain system architectures using Model-Based Systems Engineering (MBSE) methodologies. Create and manage SysML models using Cameo Systems Modeler . Perform functional decomposition and maintain end-to-end requirements traceability. Support digital engineering initiatives throughout the system development lifecycle. Develop and maintain Concept of Operations (CONOPS) documentation and system behavior models. Support spacecraft commissioning and Launch and Early Orbit Phase (LEOP) activities. Collaborate with systems, software, hardware, integration, and operations teams to ensure mission readiness. Participate in architecture reviews, engineering trade studies, and technical design reviews. Support systems integration, verification, validation, and operational readiness activities. Prepare engineering documentation and communicate technical recommendations to stakeholders. Required Qualifications Demonstrated experience with Model-Based Systems Engineering (MBSE) . Hands-on experience with: SysML Cameo Systems Modeler Functional decomposition Requirements traceability Experience supporting Launch and Early Orbit Phase (LEOP) operations. Experience with spacecraft commissioning and/or routine satellite operations. Strong understanding of systems engineering principles and digital engineering methodologies. Excellent analytical, problem-solving, communication, and collaboration skills. Ability to work effectively in multidisciplinary engineering teams. Preferred Qualifications Experience developing Concept of Operations (CONOPS) documentation. Experience supporting LEO/MEO satellite systems or spacecraft development programs. Familiarity with digital engineering frameworks and MBSE best practices. Experience with satellite mission planning, systems integration, and spacecraft operations. Experience leading systems engineering trade studies and architecture reviews. What We're Looking For We're looking for an exceptional Model-Based Systems Engineer who combines deep MBSE expertise with real-world satellite operations experience . The ideal candidate has successfully applied SysML and Cameo Systems Modeler to develop robust system architectures while supporting spacecraft commissioning and LEOP activities. You are a collaborative systems thinker who can translate complex mission requirements into well-structured system models and deliver practical engineering solutions across the satellite lifecycle. Montreal-based, on-site candidates remain the preferred choice. However, truly exceptional candidates with outstanding MBSE and satellite operations experience may be considered for a fully remote arrangement. Candidates with both MBSE and LEOP experience will be given the highest priority, as these are mandatory qualifications for the role.

Location: Costa Mesa, United States 📍 Location: Costa Mesa, California, USA 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be a U.S. Citizen or U.S. Permanent Resident (Green Card holder) . Must be eligible to obtain and maintain a U.S. Department of Defense (DoD) Secret Security Clearance . Candidates should have a strong interest in supporting U.S. defense and national security programs. About the Role We are seeking a Mechanical Engineer to support the design, integration, and development of advanced air vehicle platforms. In this role, you will be responsible for designing mechanical systems, integrating electrical and mechanical subsystems, and collaborating with multidisciplinary engineering teams to deliver innovative aerospace solutions. The ideal candidate has a strong background in mechanical design, aircraft integration, and manufacturing processes, with a passion for developing next-generation air vehicles. Key Responsibilities Design and develop mechanical components and assemblies for advanced air vehicle programs. Integrate electrical and mechanical subsystems into complex aerospace platforms. Create and maintain detailed CAD models and engineering drawings. Evaluate manufacturing methods and ensure designs are optimized for production. Perform engineering analyses to support system performance, reliability, and manufacturability. Collaborate with cross-functional teams throughout the design, integration, testing, and production lifecycle. Participate in design reviews, technical trade studies, and engineering decision-making. Prepare technical documentation, engineering reports, and design specifications. Required Qualifications Bachelor's degree or higher in Mechanical Engineering, Aerospace Engineering, Electrical Engineering , or a related field. 5+ years of mechanical engineering experience supporting advanced air vehicle programs. Experience integrating electrical and mechanical subsystems into aerospace platforms. Experience designing mechanical parts using CAD software. Strong understanding of manufacturing processes, including: Machining Sheet Metal Fabrication Composite Manufacturing 3D Printing Injection Molding Composite Lamination Strong foundation in engineering fundamentals and mechanical system design. Excellent analytical, communication, and problem-solving skills. Preferred Qualifications Experience using Siemens NX and Teamcenter . Experience developing aircraft subsystem layouts and performing architectural trade studies. Experience evaluating vendor performance data and supporting supplier integration. Competency in engineering analysis, including structural, thermal, and electrical analysis. Active U.S. DoD Secret Security Clearance .

Location: Montreal, Canada 📍 Location: Montreal, Canada 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be eligible to obtain or hold Controlled Goods Program (CGP) clearance . H-1B visa holders are welcome to apply. Relocation assistance is available for qualified candidates. About the Role We are seeking an experienced Flight-Operations Systems Engineer to support the design, integration, and operation of advanced satellite systems. In this role, you will contribute to flight operations, satellite automation, and ground segment integration for Low Earth Orbit (LEO) and Medium Earth Orbit (MEO) satellite missions. The ideal candidate has a strong background in satellite operations, flight software, and systems engineering, with experience supporting mission-critical space programs. Key Responsibilities Support the design, integration, and operation of satellite flight systems. Develop and enhance automated satellite operations and operational workflows. Contribute to space and ground segment design, specification, and system integration. Support flight software integration and its role in satellite operations. Work with satellite databases, telemetry structures, and operational data systems. Develop automation tools and scripts using Python or other scripting languages. Collaborate with multidisciplinary engineering teams to ensure mission success. Participate in system testing, validation, and operational readiness activities. Required Qualifications Bachelor's degree in Engineering or a related technical field. 7+ years of relevant engineering experience. Experience supporting LEO and/or MEO satellite operations (SatOps) . Experience with automated satellite operations and IoT technologies. Strong understanding of: Space and ground segment design, specification, and integration Flight software and its role in satellite operations Satellite database operations Telemetry structures and operational concepts Experience with Python or other scripting languages. Preferred Qualifications Experience supporting end-to-end satellite mission operations. Knowledge of satellite command and control systems. Experience working in commercial or government space programs. Familiarity with systems engineering best practices for space missions.

Location: Remote, APAC ABOUT SUPABASE Supabase is the Postgres development platform, built by developers for developers. We provide a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. All services are deeply integrated and designed for growth. ABOUT THE ROLE We’re looking for an Executive Assistant to support our CEO as Supabase continues to scale globally. This person will be a trusted partner to the CEO, helping manage time, communication, priorities, travel, follow-through, and key operating rhythms across a fast-moving, remote-first company. This role must be based in an APJ / APAC timezone to provide strong timezone coverage for our CEO and leadership team. You’ll work closely with founders, executives, internal stakeholders, investors, and external partners, ensuring the CEO is prepared, focused, and able to spend time on the highest-impact work. The role will also include occasional personal assistant responsibilities, helping coordinate personal schedules, travel, appointments, and logistics where needed to keep things running smoothly. This role is ideal for someone who thrives in async, fast-paced environments, has strong judgment, and is excited about supporting a developer-focused company building tools that scale to millions. WHAT YOU’LL BE RESPONSIBLE FOR In this role, you’ll: - Own the CEO’s calendar management, prioritization, and day-to-day operating rhythm. - Manage inbox triage and communications by monitoring emails, drafting responses, and keeping communication flowing across internal and external stakeholders. - Prepare briefings, agendas, decks, notes, and follow-up materials so the CEO is ready for every meeting. - Track follow-ups, decisions, and commitments to help projects move forward and keep stakeholders accountable. - Coordinate seamless domestic and international travel, logistics, scheduling changes, and last-minute adjustments. - Support investor meetings, board-related preparation, executive meetings, offsites, and company-wide moments. - Assist with occasional personal scheduling, appointments, travel arrangements, reservations, and other administrative or logistical needs. - Handle sensitive and confidential business and personal information with absolute discretion, professionalism, and integrity. - Anticipate needs, identify blockers early, and solve problems proactively before they escalate. - Partner across the company to create clarity, improve coordination, and help leadership operate effectively in a global, remote-first environment. YOU MIGHT BE A GOOD FIT IF YOU - Have experience supporting a CEO, founder, or senior executive in a startup or scale-up environment. - Are based in an APJ / APAC timezone and can provide strong coverage for a globally distributed leadership team. - Communicate clearly across technical and non-technical audiences, with excellent written and verbal communication. - Have experience working in async, remote-first, or globally distributed teams. - Are tech savvy and comfortable using tools like Notion, Slack, Google Workspace, and AI-enabled workflows. - Bring strong judgment around prioritization, confidentiality, stakeholder management, and executive communication. - Are comfortable handling occasional personal assistant responsibilities alongside executive support. - Are energized by organized chaos, fast-moving priorities, and solving problems before they become blockers. - Are comfortable navigating ambiguity, moving quickly, and staying several steps ahead. WHAT WE OFFER - Fully Remote We hire globally. We believe you can do your best work from anywhere. There are no Supabase offices, but we provide a WeWork membership or co-working allowance you can use anywhere in the world. - ESOP Every team member receives ESOP (equity ownership) in the company. We want everyone to share in the upside of what we’re building together. - Tech Allowance Use this budget to set up your ideal work environment—laptop, monitor, headphones, or whatever helps you do your best work. - Health Benefits Supabase covers 100% of health insurance for employees and 80% for dependents, wherever you are. Your wellbeing and your family’s health are important to us. - Annual Off-Sites Once a year, the entire company gathers in a new city for a week of connection, collaboration, and fun. It’s a highlight of our year. - Flexible Work We operate asynchronously and trust you to manage your own time. You know what needs to be done and when. - Professional Development Every team member receives an annual education allowance to spend on learning—courses, books, conferences, or anything that supports your growth. ABOUT THE TEAM Supabase was born-remote and open-source-first. We believe our globally distributed team is our secret weapon in building tools developers love. - ~400 team members - 60+ countries - 20+ languages spoken - Over $1B raised (including our $500M Series F) - 540,000+ community members We move fast, build in public, and use what we ship. If it’s in your project, we probably use it in ours too. We believe deeply in the open-source ecosystem and strive to support—not replace—existing tools and communities.

Location: Costa Mesa, United States 📍 Location: Costa Mesa, California, USA 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be a U.S. Citizen or U.S. Permanent Resident (Green Card holder) . Must be eligible to obtain and maintain an active U.S. Security Clearance . Candidates should have a strong interest in supporting advanced defense and national security programs. About the Role We are seeking an experienced Electrical Engineer, Avionics Design to support the design, development, integration, and testing of advanced avionics and embedded electronic systems. In this role, you will lead full-cycle PCB development, design power management systems, integrate embedded hardware, and collaborate with multidisciplinary engineering teams to deliver mission-critical aerospace solutions. The ideal candidate has a strong background in mixed-signal electronics, power systems, PCB design, and embedded hardware development. Key Responsibilities Lead full-cycle PCB design, including requirements gathering, schematic capture, component selection, layout review, bring-up, testing, debugging, and system integration. Design and integrate microcontroller-based systems and support hardware bring-up activities. Troubleshoot complex hardware and software integration issues using laboratory equipment and software debugging tools. Design and integrate power management systems and power distribution architectures. Develop payloads and electronic subsystems, including sensors, networking, payload interfaces, and power management solutions. Create system interconnect diagrams and define cable harnesses for subsystem integration. Collaborate with electrical, mechanical, software, firmware, and test engineering teams throughout the product development lifecycle. Participate in peer design reviews and cross-functional engineering reviews to ensure high-quality system designs. Required Qualifications Bachelor's degree in Electrical Engineering or an equivalent engineering discipline. 3+ years of experience designing, testing, and troubleshooting complex electrical systems. Experience performing power system analysis, electrical loading analysis, simulation, and validation. Strong experience with: Power design and power management systems Microcontroller design and hardware bring-up Mixed-signal PCB design, including multilayer boards, impedance matching, grounding, filtering, and board protection Low- and high-voltage power electronics and control systems System interconnect diagrams and cable harness design Proficiency using laboratory equipment, including: Oscilloscopes Digital Multimeters (DMMs) Spectrum Analyzers Logic Analyzers Benchtop Power Supplies Electronic Loads Familiarity with thermal and EMI testing environments. Knowledge of common communication interfaces, including: CAN I2C SPI Ethernet RS-232/422 RS-485 USB Excellent communication, organizational, analytical, and problem-solving skills. Must be eligible to obtain and maintain an active U.S. Security Clearance . Preferred Qualifications Experience designing embedded systems for aerospace, defense, or high-end consumer electronics. Experience with battery systems, AC power systems, and advanced power distribution architectures. Experience developing low-level firmware for hardware bring-up and testing. Background supporting defense, aerospace, or missile systems. Strong understanding of the effects of temperature, vibration, and harsh operating environments on electrical system design.

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Contract 🏢 Work Arrangement: Remote Opportunity for US and Canadian Citizens 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally authorized to work in Canada . Must be eligible to obtain the required security clearance. English proficiency is required. French is considered an asset. About the Role We are seeking an experienced CONOPS & Mission Analysis Systems Engineer to lead mission planning, systems engineering, and operational analysis for advanced LEO and MEO satellite programs. In this role, you will develop mission concepts, perform trade studies and mission analyses, define system requirements, and support system integration from concept through on-orbit operations. The ideal candidate has a strong background in satellite mission planning, systems engineering, and cross-functional technical leadership within the aerospace industry. Key Responsibilities Capture stakeholder functional, performance, environmental, and security requirements. Lead workshops and trade studies to define mission objectives and system requirements. Translate mission objectives into traceable system-level requirements. Define and manage spacecraft, payload, and ground segment interfaces, including ICDs and data flows. Develop and maintain the Concept of Operations (CONOPS) across all mission phases. Create mission timelines, operational scenarios, flow diagrams, and supporting documentation. Perform mission analysis, including orbit design, coverage analysis, link budgets, and resource assessments. Evaluate architectural trade-offs involving orbit selection, constellation design, payload configuration, cost, risk, and performance. Develop verification plans, validation procedures, and test matrices. Support system integration, verification, validation (IV&V), and operational readiness activities. Present technical results during major program reviews, including SRR, PDR, CDR, and ORR . Support mission operations, telemetry analysis, contingency planning, SOOH development, and operator training. Maintain configuration control using PLM tools. Support proposal development, technology roadmapping, and business capture activities. Mentor junior engineers and provide technical leadership across multidisciplinary teams. Required Qualifications Bachelor's degree in Aerospace Engineering, Electrical Engineering, Physics , or a related discipline. 8+ years of experience in LEO/MEO mission planning, mission analysis, or satellite operations . Strong background in: Systems Engineering Orbit Mechanics Space Environment Analysis Mission Planning and CONOPS Development Spacecraft, Payload, and Ground Segment Integration Hands-on experience with system integration, testing, troubleshooting, and operational support. Experience using Confluence and JIRA . Excellent analytical, communication, and problem-solving skills with the ability to work independently and lead cross-functional teams. English language proficiency is required. Preferred Qualifications French language proficiency. Experience supporting end-to-end satellite mission lifecycle activities. Experience leading technical trade studies and systems engineering reviews. Familiarity with Product Lifecycle Management (PLM) tools and configuration management. Experience supporting commercial or government satellite programs.

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Contract-to-Permanent (Preferred) / Contract 🏢 Work Arrangement: Remote Opportunity for US and Canadian Citizen 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally authorized to work in Canada . Must be eligible to obtain the required security clearance. Contract-to-permanent candidates are strongly preferred , although pure contract candidates will also be considered. English proficiency is required. French is considered an asset. About the Role We are seeking an experienced Digital Payload Architect to lead the architecture, design, and integration of next-generation digital regenerative payloads for LEO and MEO satellite missions. In this role, you will define system architectures, drive systems engineering activities, and collaborate with multidisciplinary teams to deliver advanced satellite communication solutions. The ideal candidate has deep expertise in digital payload systems, regenerative communications, and aerospace systems engineering, with a proven ability to lead complex technical initiatives from concept through integration and testing. Key Responsibilities Lead the architecture and design of digital regenerative payload systems for LEO and MEO satellite missions. Define system requirements, interface control documents (ICDs), and technical specifications. Support systems integration, verification, testing, and troubleshooting activities. Develop technical documentation, including requirements, test procedures, risk assessments, and engineering reports. Collaborate with customers, suppliers, and cross-functional engineering teams throughout the project lifecycle. Participate in technical reviews and provide system-level engineering leadership. Support trade studies, system analysis, and architecture optimization. Utilize Confluence and JIRA to support engineering documentation and project execution. Mentor engineering teams and contribute to continuous process improvement. Required Qualifications Bachelor's degree in Electrical Engineering, Aerospace Engineering, Physics , or a related field ( Master's degree preferred ). 12+ years of experience designing digital regenerative payload systems for LEO and/or MEO satellite missions . Comprehensive knowledge of: Digital regenerative communications Software Defined Radio (SDR) Digital Signal Processing (DSP) DVB-RCS and DVB-S2X protocols Digital modulation schemes Class of Service (CoS) Networking and MPLS 2G, 5G, and Non-Terrestrial Networks (NTN) Strong understanding of aerospace systems engineering principles. Hands-on experience supporting system integration, testing, troubleshooting, and issue resolution. Strong technical writing skills, including requirements, ICDs, test procedures, and risk documentation. Experience using Confluence and JIRA . Ability to work independently while leading complex technical initiatives. Excellent written and verbal communication skills in English . Preferred Qualifications Master's degree in Electrical Engineering, Aerospace Engineering, Physics, or a related field. French language proficiency. Experience leading end-to-end digital payload architecture for commercial or government satellite programs. Strong background in satellite communications, systems integration, and digital payload modernization.

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Contract-to-Permanent (Preferred) / Contract 🏢 Work Arrangement: Remote Opportunity for US and Canadian citizens. 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally authorized to work in Canada . Must be eligible to obtain the required security clearance. Contract-to-permanent candidates are strongly preferred , although pure contract candidates will also be considered. English proficiency is required. French is considered an asset. About the Role We are seeking an experienced Digital Payload System Engineer to support the design, integration, and verification of advanced digital regenerative payload systems for LEO and MEO satellite missions. In this role, you will contribute to system architecture, requirements development, integration, and testing while working closely with multidisciplinary engineering teams to deliver next-generation satellite communications solutions. The ideal candidate has a strong background in digital payload systems, satellite communications, and aerospace systems engineering. Key Responsibilities Design and develop digital regenerative payload systems for LEO and MEO satellite missions. Define and manage system requirements, interface control documents (ICDs), and technical specifications. Support systems integration, verification, testing, troubleshooting, and issue resolution. Develop technical documentation, including requirements, test procedures, risk assessments, and engineering reports. Collaborate with customers, suppliers, and multidisciplinary engineering teams throughout the project lifecycle. Participate in system design reviews, trade studies, and engineering analyses. Support payload performance evaluation and system optimization. Utilize Confluence and JIRA to support engineering documentation and project execution. Required Qualifications Bachelor's degree in Electrical Engineering, Aerospace Engineering, Physics , or a related field. 8+ years of experience designing digital regenerative payload systems for LEO and/or MEO satellite missions . Comprehensive knowledge of: Digital communications Software Defined Radio (SDR) Digital Signal Processing (DSP) DVB-RCS and DVB-S2X protocols Digital modulation schemes Class of Service (CoS) Networking and MPLS 2G, 5G, and Non-Terrestrial Networks (NTN) Strong understanding of aerospace systems engineering principles. Hands-on experience supporting system integration, testing, troubleshooting, and issue resolution. Strong technical writing skills, including requirements, ICDs, test procedures, and risk documentation. Experience using Confluence and JIRA . Ability to work independently and solve complex engineering problems through analytical and creative thinking. Excellent written and verbal communication skills in English . Preferred Qualifications Master's degree in Electrical Engineering, Aerospace Engineering, Physics, or a related field. French language proficiency. Experience supporting end-to-end digital payload development for commercial or government satellite programs. Strong background in satellite communications, systems integration, and payload verification.

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Full-Time 🏢 Work Arrangement: Remote Opportunity for US and Canadian citizens. 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally authorized to work in Canada . Must be eligible to obtain the required security clearance. Candidates may be based in the United States, Canada, or Europe , provided they meet work authorization and security clearance requirements. Relocation assistance may be available for qualified candidates. About the Role We are seeking a Digital Payload Principal Systems Engineer to provide technical leadership in the architecture, design, and delivery of next-generation digital satellite payloads. In this role, you will lead end-to-end systems engineering activities, define payload architectures, drive technical trade studies, and oversee system verification throughout the program lifecycle. The ideal candidate has extensive experience in satellite communications, digital payload systems, and LEO/MEO constellation architectures, with a proven ability to lead multidisciplinary engineering teams on complex aerospace programs. Key Responsibilities Lead the end-to-end architecture and design of advanced digital satellite payloads. Define system requirements, conduct trade studies, and perform capacity analysis. Support program execution, technical planning, and proposal development. Collaborate with customers and cross-functional engineering teams to deliver mission-critical solutions. Lead and participate in system design reviews throughout the full program lifecycle. Define requirements for key payload subsystems, including: Onboard digital processing Phased-array antennas Feeder links Optical Inter-Satellite Links (ISLs) Oversee system integration, test planning, verification, and validation activities. Provide technical leadership and mentorship to engineering teams. Required Qualifications Bachelor's degree or higher in Electrical Engineering, Computer Engineering, Physics , or a related field. 15+ years of experience in satellite payload or communications systems engineering. Strong background in LEO/MEO constellation architecture and digital payload systems . Experience leading multidisciplinary engineering teams and complex technical programs. Strong knowledge of: Digital communications Digital signal processing (DSP) Software Defined Radio (SDR) Phased-array antenna systems Networking technologies Familiarity with simulation tools, space environments, and orbital mechanics. Excellent communication, collaboration, and technical leadership skills. Preferred Qualifications Experience with 5G Non-Terrestrial Networks (5G NTN) . French language proficiency is an asset. Experience leading end-to-end satellite payload development programs. Strong background in system architecture, verification, and mission planning for commercial or government satellite systems.

Location: Torrance, United States 📍 Location: Torrance, CA 📄 Employment Type: Full-Time 🏢 Work Arrangement: 100% On-site, Monday–Friday 🚀 Start Date: TBD 💰 Compensation: TBD — based on skills and experience Important Screening Requirements BS or higher in Aerospace Engineering, Mechanical Engineering, Applied Physics, or a related field . 5+ years of aerospace thermal engineering experience . Experience supporting rocket, spacecraft, aircraft, missile, or other high-performance aerospace programs . Strong understanding of heat transfer, fluid dynamics, and high-temperature environments . Experience with electronic unit thermal analysis and control to component-junction temperatures. Ground testing experience involving thermal instrumentation and data acquisition . Strong MATLAB, Python, or similar programming skills. Experience with SolidWorks or Siemens NX . Experience preparing formal technical documentation. Ability to obtain and maintain a U.S. security clearance . Must be able to work on-site in Torrance, CA . About the Role We are seeking a Senior Thermal Engineer to lead thermal engineering methodology across advanced missile systems. This role covers thermal architecture, high-fidelity modeling, first-principles analysis, simulation, hardware testing, ground testing, and flight-test data analysis . You will work across aerodynamics, structures, electrical, propulsion, systems, manufacturing, and test engineering teams. What We’re Looking For We’re looking for a hands-on thermal engineer who can move between analytical modeling, hardware testing, and flight data while working across multiple engineering disciplines to solve challenging thermal problems. Key Responsibilities Perform thermal design and analysis of unmanned air vehicles from conceptual through detailed design. Define thermal system architectures and material-selection strategies. Perform thermal analysis using standard thermal-analysis codes and engineering/hand methods. Conduct transient thermal analysis for time-varying mission profiles. Plan, execute, and analyze specialized thermal ground testing. Plan and support flight testing and post-flight thermal data analysis. Develop MATLAB/Python models using first-principles methods to support engineering decisions. Collaborate with aerodynamics, structures, electrical, and systems engineers. Present thermal status during formal internal and customer reviews. Prepare specifications, test procedures, technical reports, and other formal engineering documentation. Required Qualifications BS or higher in Aerospace Engineering, Mechanical Engineering, Applied Physics, or a related field. In-depth understanding of heat transfer, fluid dynamics, and high-temperature environments . 5+ years of aerospace thermal engineering experience on rocket, spacecraft, aircraft, or missile programs. Experience with electronic unit thermal analysis and component-junction temperature control . Ground testing experience with thermal instrumentation and data acquisition. Strong programming skills in MATLAB, Python, or similar tools. Formal technical documentation experience. SolidWorks or Siemens NX experience. Ability to obtain and maintain a U.S. security clearance. Preferred Qualifications MS or higher degree with a focus on heat transfer and fluid dynamics. Material ablation-response modeling experience. Knowledge of material degradation and surface phenomena in demanding thermal environments. Experience with specialized thermal ground-test facilities. Flight-test experience, including instrumentation design and post-flight analysis. Experience with Thermal Desktop/SINDA . Experience with manufacturing and assembly of thermal systems. Active U.S. security clearance.