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# Flight Software Architect

- **Company:** ALTEN
- **Location:** London, UK
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Communications Protocols, Middleware, Embedded Software, Software Architecture, Software Maintenance, Real-Time Operating Systems, Software Engineering, Software Requirements Analysis, Systems Integration, Strategies of Testing, Data Processing, Software Verification, Solid Principles
- **Published:** July 8, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=4a26d33d7b9b4f6e

## About the Role

* Proven experience within the Space industry (essential).
 * Significant experience in embedded software, flight software, or onboard software development for spacecraft, satellites, launch vehicles, or other space systems.
 * Experience defining and maintaining software architectures for safety-critical or mission-critical systems.
 * Strong understanding of software development lifecycles, software engineering principles, and architecture frameworks.
 * Experience working with real-time and embedded systems.
 * Knowledge of software verification, validation, and testing methodologies.
 * Experience managing complex software interfaces across multidisciplinary engineering teams.

Required Qualifications:

 * A Bachelor's or Master's degree in Engineering, or equivalent military experience.

Desirable Skills:

 * Experience with flight computers, onboard data handling systems, or spacecraft avionics.
 * Familiarity with ECSS software standards and space industry best practices.
 * Knowledge of real-time operating systems (RTOS) and middleware architectures.
 * Experience with model-based systems engineering (MBSE) approaches.
 * Understanding of fault management, redundancy concepts, and software resilience techniques.
 * Experience supporting software integration, spacecraft testing, and operational readiness activities.
 * Familiarity with communication protocols commonly used in space systems.
 * Experience participating in major design reviews including PDR, CDR, and qualification reviews.
 * Strong stakeholder engagement and technical leadership skills.

## Description

We are looking for a Flight Software Architect to support the development of next-generation space systems and missions., * Defining and owning the flight software architecture for complex space systems.

 * Translating mission and system requirements into software architecture solutions.
 * Establishing software design principles, standards, and development strategies.
 * Managing interfaces between software, hardware, avionics, GNC, and systems engineering teams.
 * Supporting software requirement definition, decomposition, and traceability activities.
 * Leading architectural trade studies and technical decision-making.
 * Supporting software verification, validation, integration, and qualification activities.
 * Contributing to technical reviews and programme milestones.
 * Identifying and mitigating software-related technical risks., We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.


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