Aim high, go beyond!

At Open Cosmos we are solving the world’s biggest challenges for 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

• Support the design, development, and testing of satellite flight and ground software under the guidance of senior engineers.

• Write and test embedded code in Rust, contributing to onboard and ground system functions.

• Help maintain and improve existing software modules and testing scripts.

• Participate in integration activities, verifying that software performs correctly with hardware subsystems.

• Learn and apply engineering best practices in CI/CD, configuration management, and version control.

• Contribute to technical documentation and reviews, gaining exposure to the full software development lifecycle.

• Collaborate closely with other engineers and teams, asking questions and sharing ideas to improve software quality.

What You’ll Bring

• A good understanding of at least one programming language

• Curiosity for embedded systems, Linux, and space technology.

• A willingness to learn, take initiative, and collaborate.

• A methodical approach to testing and documentation.

For this role you can be based in any of our locations.

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

Flight Software Engineer

Locations

Harwell, UK, Athens, Greece, Barcelona, Spain, Porto, Portugal, Tenerife

Remote status

Hybrid

Employment type

Full-time

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