Principal Avionics Certification Engineer
General Dynamics Missions System International · Hastings, England, United Kingdom · Hybrid
Pay: GBP 60,000 – 74,000 a year
Posted Sep 21, 2026
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Join our certification engineering team and help shape the certification approach for future combat-air capability as part of the GCAP programme. You will lead certification planning and compliance activities for complex, safety-critical avionics and mission-computing systems.
Working across systems, software, hardware, safety and quality disciplines, you will define proportionate certification approaches, guide the production of compliance evidence and provide authoritative certification advice. This is an opportunity to influence advanced airborne technology while contributing to a strategically important UK defence programme.
In this role you will: 
Own and lead the certification strategy for complex airborne mission systems and associated software and electronic hardware
Define certification plans, compliance approaches and evidence requirements across the programme lifecycle
Interpret applicable certification objectives and provide authoritative advice to systems, software, hardware, safety and quality teams
Ensure certification considerations are embedded within product architecture, development planning and engineering decision-making
Lead reviews of certification evidence, identifying gaps, risks and dependencies that could affect programme delivery or assurance outcomes
Lead engagement with customers, programme partners, certification authorities and other relevant assurance stakeholders
Provide technical leadership during certification audits, reviews and formal assurance activities
Make and communicate proportionate certification decisions, balancing compliance expectations, technical risk and programme constraints
Coach Certification Engineers and provide guidance to multidisciplinary engineering teams
Drive consistent certification methods, processes and good practice across the programme
Essential Experience
Significant experience developing or leading certification and compliance approaches for complex airborne systems or products
Strong knowledge of airborne software and/or electronic hardware certification, including significant experience applying DO-178C and/or DO-254
Experience defining certification strategies, plans, compliance approaches and evidence requirements
Experience interpreting certification objectives and translating them into practical engineering activities and deliverables
Experience providing certification guidance across multidisciplinary systems, software, hardware, safety and quality teams
Experience leading certification reviews, audits or formal assurance activities
Experience engaging with customers, certification authorities, design organisations, programme partners or independent assurance stakeholders
Ability to identify and communicate certification risks, gaps and priorities at both technical and programme levels
Degree-level qualification in an engineering, scientific or technical discipline, or equivalent relevant experience
Desirable Experience
Experience acting…