Principal Software Assurance Engineer

Principal Software Assurance Practitioner

Base pay range: £82,000–£85,000 salary + excellent benefits.

Hybrid working – based at Malvern, Boscombe Down, Farnborough or Bristol. Occasional travel to Europe. SC Clearance required.

ABOUT THE CLIENT
Our client is a globally recognised defence and security innovator, developing advanced technology solutions across air, land, maritime and space domains. Their engineering and assurance capabilities support some of the UK’s most critical aerospace programmes, ensuring safety, compliance and reliable performance in demanding environments.

As a Principal Software Assurance Practitioner, you will provide Independent Technical Assessment of high-integrity aircraft software systems, ensuring compliance with recognised development standards. You will evaluate third-party software, verify development processes, and assess changes down to source-code level, forming structured safety arguments for major aerospace programmes.

• Verifying that software is developed to recognised safety-critical standards
• Assessing software development processes and verification activities
• Evaluating code-level changes, including C++ and Ada
• Producing Independent Technical Evaluation reports and structured safety arguments
• Working closely with internal systems and safety SMEs
• Raising recommendations and supporting engagement with customer stakeholders

• Strong knowledge of aircraft software development and recognised software standards
• Extensive experience in Safety Critical Software engineering
• Background as an Independent Technical Evaluator or similar assurance function
• Experience as a software engineer in a high-integrity, safety-critical environment
• Experience working to standards aligned to DO-178

Please apply through this advert or email  For further information, call . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.