Flight Software Architect

Salary: £28,000 - 36,000 per year

Requirements:

• We require proven experience within the space industry.
• We require significant experience in embedded software, flight software, or onboard software development for spacecraft, satellites, launch vehicles, or other space systems.
• We require experience defining and maintaining software architectures for safety-critical or mission-critical systems.
• We require a strong understanding of software development lifecycles, software engineering principles, and architecture frameworks.
• We require experience working with real-time and embedded systems.
• We require knowledge of software verification, validation, and testing methodologies.
• We require experience managing complex software interfaces across multidisciplinary engineering teams.
• We require a Bachelors or Masters degree in Engineering, or equivalent military experience.
• We consider the role clearable and it may require security clearance.

Responsibilities:

• We define and own the flight software architecture for complex space systems.
• We translate mission and system requirements into software architecture solutions.
• We establish software design principles, standards, and development strategies.
• We manage interfaces between software, hardware, avionics, GNC, and systems engineering teams.
• We support software requirement definition, decomposition, and traceability activities.
• We lead architectural trade studies and technical decision-making.
• We support software verification, validation, integration, and qualification activities.
• We contribute to technical reviews and programme milestones.
• We identify and mitigate software-related technical risks.

Technologies:

• Architect
• Embedded
• Hardware
• Support
• Security

More:

We are ALTEN, a global engineering and technology consultancy operating across more than 35 countries. We partner with industry leaders across aeronautics, aerospace, defence, naval, automotive, energy, rail, IT, and more to deliver innovative engineering solutions that support technological advancement and sustainable transformation. We are hiring a Flight Software Architect to support next-generation space systems and missions in London, with onsite presence 1-2 times a month. This mid-level, full-time consulting role offers technical leadership on advanced spacecraft and space platform software, along with ongoing learning, mentoring, clear career development, private medical insurance, a cycle and tech scheme, employee assistance programme, life insurance and pension scheme, social events, and flexible working where role dependent. We welcome applications from suitably qualified candidates and value diverse backgrounds and perspectives.

last updated 37 week of 2026