Senior Product Security Engineer

Join our security engineering team and help deliver future combat-air capability as part of the GCAP programme. You will work on complex, safety-critical mission-computing systems, embedding security into the product architecture and engineering lifecycle. Working alongside specialists across systems, software, hardware, safety and certification, you will help ensure that security risks are identified, understood and addressed through robust engineering solutions. This is an opportunity to influence the design of advanced airborne technology while contributing to a strategically important UK defence programme. This is a product and systems security engineering role , focused on embedding security into complex, safety-critical airborne mission systems. In this role you will: Develop and maintain security requirements for complex airborne electronic and mission-computing systems Undertake threat modelling, vulnerability analysis and security risk assessments throughout the engineering lifecycle Support the development of security architectures and secure-by-design solutions Produce the security evidence, documentation and assurance arguments needed to support accreditation Work closely with systems, software, hardware, safety and certification engineers to ensure security is embedded within the overall product design Review proposed designs and identify security weaknesses, risks and proportionate mitigations Engage with customers, partners and internal engineering teams on product-security requirements and technical decisions Contribute to the development of technologies that will support future combat-air capability Essential experience Experience in product security, systems security, cyber-security engineering or security assurance within a complex engineering environment Knowledge of Secure by Design principles and relevant product and systems security standards, with experience embedding security throughout an engineering lifecycle Experience undertaking security risk assessments, threat modelling, vulnerability analysis or security requirements development Ability to interpret technical designs and communicate security risks and mitigations to multidisciplinary engineering teams Experience producing clear technical documentation and security assurance evidence Degree-level qualification in engineering, computer science, cyber security or a related discipline, or equivalent relevant experience Desirable experience Experience within aerospace, defence, safety-critical systems, embedded systems or another highly regulated sector Knowledge of mission systems, avionics, embedded computing, real-time systems or secure communications Experience supporting product accreditation, certification or formal security-assurance activities Experience using requirements-management, risk-management or security-analysis tools within a structured engineering environment Experience working within a model-based or requirements-led systems-engineering environment Experience working with or familiarity with AI/ML models is preferred This role has a salary of between £45,600 - £60,000 plus our flexible benefits package. We are open to this role being spent with time working from home and in the office (hybrid - typically 3 days working in office) on a weekly basis or fully in our offices. We pride ourselves in being a great place to work with a shared sense of purpose, offering impressive benefits: A compressed nine-day fortnight and compressed hours - which means every other Friday off. A personalized career development plan, alongside regular progress reviews - supporting and valuing your progression within the Company. A flexible working environment where your contributions are recognized and rewarded with flexible benefits We believe in maintaining a diverse workplace - inclusive of beliefs, cultural background, job experiences, thoughts and ideas. If who we are and what we do resonates with you, we welcome you to join our inclusive team! Our success is fuelled by our colleagues and the wide variety of backgrounds, perspectives, and skills they bring to the Company. We are a Disability Confident Employer, as such we offer an interview to disabled people who meet the minimum criteria for the job. Please email if you would like your application to be considered under the DC Scheme. All successful/appointed applicants must be able to obtain a level of UK Security clearance that is appropriate for the role and undertake suitable Right to work checks. Every application matters to us. We want you to know that each application we receive is reviewed by a real person—not just an algorithm. Our screening questions are also carefully considered to help us understand your experience and fit for the role. We appreciate the time you take to apply. General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of more than 13,000 top professionals, we partner with the best in industry to expand the bounds of innovation in the defence and scientific arenas. In the UK, we are leading the way in avionics and communication systems. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. General Dynamics in St Leonards-on-Sea currently provide avionic mission computing systems for a wide range of military fast jets, helicopters, and UAV’s. Recent success has resulted in General Dynamics developing the next generation of Advanced High Performance, Safety Critical Mission Computer Systems to meet the needs of latest platforms in development by several aircraft manufacturers. These Mission Computing Systems provide the functionality that integrates aircraft systems, sensor systems and stores management systems with the information and control systems required by the aircrew to meet the demanding operational needs of these aircraft.