Senior Flight Software Engineer - Open Cosmos This website uses cookies to ensure you get the best experience. Open Cosmos and our selected partners use cookies and similar technologies (together “cookies”) that are necessary to present this website, and to ensure you get the best experience of it. If you consent to it, we will also use cookies for analytics purposes. See our Cookie Policy to read more about the cookies we set. You can withdraw and manage your consent at any time, by clicking “Manage cookies” at the bottom of each website page. Accept all cookies Decline all non-necessary cookies Cookie preferences Select which cookies you accept On this site, we always set cookies that are strictly necessary, meaning they are necessary for the site to function properly. If you consent to it, we will also set other types of cookies. You can provide or withdraw your consent to the different types of cookies using the toggles below. You can change or withdraw your consent at any time, by clicking the link “Manage Cookies”, which is always available at the bottom of the site. To learn more about what the different types of cookies do, how your data is used when they are set etc, see our Cookie Policy . Strictly necessary These cookies are necessary to make the site work properly, and are always set when you visit the site. Vendors Teamtailor Analytics These cookies collect information to help us understand how the site is being used. Vendors Teamtailor Accept these cookies Decline all non-necessary cookies Skip to main content common--header--menu#toggle" data-common--header--menu-target="button" > Career menu Employee Log in as employee Candidate Log in to Connect Share page Facebook X LinkedIn Mail CTO · FLIGHT SOFTWARE · Harwell, UK, Athens, Greece, Barcelona, Spain · Hybrid Senior Flight Software Engineer Apply for this job Aim high, go beyond! At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on… The CTO division is where Open Cosmos technology comes to life. Covering engineering, product development, and technical innovation,
the team designs, builds, and operates the satellites, systems, and platforms that make our missions possible. It’s a highly collaborative environment where ideas become real hardware, software, and data solutions that deliver impact from space. Working in the Flight Software Team Working across the full mission lifecycle,
the team designs, implements, and tests software for both onboard and ground systems, ensuring reliability, performance, and scalability across our growing satellite fleet. Collaborating closely with systems, electronics, and mission operations,
the team brings together innovation and precision to make every Open Cosmos mission fly. What You'll Be Doing You’ll take ownership of software design from concept to flight. That means defining architectures, implementing and verifying embedded code, and leading reviews to ensure compliance with space standards. You will: Lead the design, architecture, and implementation of flight software for new satellite platforms and missions. Define software interfaces, patterns, and frameworks for onboard and ground systems using Rust, C, and C++. Oversee system-level integration and testing of flight software across multiple missions. Implement and review mission-critical features such as fault tolerance, safe modes, and autonomous recovery. Mentor junior engineers, ensuring best practices in coding standards, version control, CI/CD, and documentation. Drive design and code reviews, ensuring compliance with ECSS, DO-178C, and Open Cosmos software assurance standards. Collaborate with hardware, systems, and operations teams to optimise performance and ensure mission readiness. What You’ll Bring Deep expertise in Rust, with proficiency in C/C++ and embedded systems. Familiarity with space protocols (CCSDS, telemetry/telecommand). Strong grasp of software assurance, fault detection, and recovery design. Experience with CI/CD, testing automation, and configuration management. A structured yet creative approach, balancing precision with problem-solving. For this role you can be based in Harwell in UK, Barcelona in Spain or Athens, Greece. To apply, you must have the legal right to work in your chosen location. Please submit your application and CV in English. Why Open Cosmos? Work at the cutting edge of space technology with customers around the globe. A mission-driven company making space accessible to help solve real-world challenges. A diverse, ambitious, and supportive team. Division CTO Department FLIGHT SOFTWARE Role Senior Flight Software Quality Engineer Locations Harwell, UK, Athens, Greece, Barcelona, Spain Remote status Hybrid Employment type Full-time About Open Cosmos Open Cosmos is dedicated to solving customer problems with insights from space. Whether this is monitoring agricultural yields, assessing the damage of oil spills or providing navigation solutions, we believe that data from satellites is the most effective and sustainable way of achieving this. Apply for this job CTO · FLIGHT SOFTWARE · Harwell, UK, Athens, Greece, Barcelona, Spain · Hybrid Senior Flight Software Engineer Loading application form Career site Data & privacy Manage cookies Employee login Candidate Connect login Already working at Open Cosmos? Let’s recruit together and find your next colleague. Log in Applicant tracking system by Teamtailor
