Flight Software Engineer (Validation & Verification)

An exciting opportunity has arisen for a Validation & Verification Engineer to join a leading flight software team working on cutting-edge space missions. This role offers the chance to contribute to next-generation orbital debris removal and satellite servicing projects, a truly unique opportunity to make an impact on the future of space sustainability. We’re looking for someone with a strong background in real-time embedded software who’s ready to take the next step in their career and play a key role in ensuring flight software reliability, performance, and safety. You’ll be responsible for the verification and validation (V&V) of onboard flight software for satellite missions, defining solutions based on system requirements and collaborating across subsystems to ensure robust, high-quality software delivery. Key Responsibilities: - Participate in the validation and verification of flight software for satellite onboard computers. - Review technical specifications and requirements documents (SRS, ICD, SDD, etc.). - Design, implement, and automate test cases and scripts. - Develop and maintain test environments and simulators. - Identify and implement test equipment solutions. - Collaborate with subsystem teams to define software needs and interfaces. - Contribute to technical reviews and knowledge sharing across projects. Essential Skills: - Proven experience designing and automating test cases for real-time embedded software. - Strong programming ability in Python, including dependency and environment management. - Experience in software validation facilities (numerical, hybrid, or hardware-based). - Familiarity with Git and modern software development workflows. - Background in space software verification and validation (C/C++). - Understanding of communication protocols (PUS, CCSDS, CAN, SpaceWire). - Knowledge of ECSS standards, especially ECSS-E-ST-40C. - Strong understanding of the software development lifecycle. - Proactive, self-managing, and able to take ownership while working collaboratively. Desirable Skills: - Experience with RTOS platforms (VxWorks or RTEMS). - Familiarity with CI/CD pipelines and UML. - Experience with Linux environments, shell scripting, and QT-based applications. - Knowledge of cFS framework, SPARC V8 or PowerPC architectures. - Understanding of mission design lifecycles from concept to operations. What’s on Offer - Competitive salary - Flexible working around core hours (optional 9/75 pattern) - Hybrid working options - 25–28 days annual leave + bank holidays - Private healthcare, life insurance, and long-term sick pay - Relocation support & visa sponsorship (where applicable) - Modern, state-of-the-art workspace - Regular team and social events - Opportunity to work with an international team on pioneering space technology If you’re an experienced Flight Software Engineer or Verification Specialist ready to contribute to mission-critical space systems, we’d love to hear from you. RW