We are seeking a Senior Flight Software Engineer to join a high-performing engineering team working on cutting-edge space missions focused on the future sustainability of the space environment.

This role sits within a specialist Flight Software team responsible for developing embedded real-time software for advanced spacecraft systems, including next-generation missions designed to support satellite servicing and orbital debris removal.

This is an excellent opportunity for an experienced embedded software engineer looking to work on innovative, mission-critical space programmes and play a key role in shaping the future of in-orbit operations.

You will be responsible for the development of onboard flight software for satellite systems, working closely with multidisciplinary teams across systems, GNC, and computer vision.

The position covers the full software lifecycle, from requirements definition through to integration, verification, and testing.

Key Responsibilities

Design, develop, and verify onboard flight software for spacecraft systems
Collaborate with subsystem and system-level teams to define software requirements and solutions
Contribute to and support design reviews, ensuring software compliance and performance
Act as a subject matter expert in flight software development
Support integration of Computer Vision and Guidance, Navigation & Control (GNC) software into the flight environment
Contribute to knowledge sharing and provide technical input across engineering teams
Essential Requirements

Degree in Computer Science, Software Engineering, or a relevant technical discipline
Experience developing flight software for space applications
Strong knowledge of ECSS standards for flight software
Proven experience in real-time embedded software development (C/C++)
Solid understanding of software development methodologies and embedded systems engineering
Experience designing and implementing real-time systems
Self-motivated, proactive, and able to take ownership while working collaboratively within a team
Desirable Skills

Experience within the space sector or other safety-critical industries
Development experience with VxWorks or RTEMS
Familiarity with the full mission lifecycle (concept through to operations)
Knowledge of UML and software modelling techniques
Experience with spacecraft communication protocols (e.g. CCSDS, CAN, SpaceWire)
Familiarity with cFS (Core Flight System)
Experience with SPARC V8 or PowerPC architectures
Linux development and system administration experience
Scripting experience (e.g. shell, Python)
What's on Offer

Opportunity to work on cutting-edge space missions and technologies
Flexible working arrangements, including hybrid options
Optional compressed working schedule (e.g. 9/75 pattern)
25 days annual leave (increasing with service) + bank holidays
Private healthcare and life insurance
Long-term sick pay support
Relocation support (where applicable)
Visa sponsorship available (subject to eligibility)
Modern office and engineering facilities
Collaborative, supportive, and innovative working environment
Regular team and social events 

TT