Principal Product Security Engineer

As a Principal Product Security Engineer, you will lead the application of information assurance, cyber security, and physical security principles throughout the Secure by Design engineering lifecycle. This includes influencing security requirements from concept and design through development, verification, acceptance, and in-service support.

Working closely with the System Design Authority (SDA), product development teams, and external assessors, you will provide expert security guidance to ensure that security requirements are effectively integrated into product designs and aligned with regulatory, customer, and organisational security standards. You will be responsible for defining, developing, and maintaining security requirements, ensuring that security considerations are embedded in technical solutions from the outset.

A key aspect of the role will be conducting threat modelling, security risk assessments, and vulnerability analysis to identify potential attack vectors early in the design lifecycle. You will advise engineering teams on the selection and implementation of appropriate security controls and mitigation strategies to reduce risk and support security assurance objectives .

You will also lead the development of the security evidence and assurance documentation required to demonstrate that products meet Secure by Design principles and are suitable for acceptance into service, and ongoing operational use.

The Product Security team are a centrally managed group of practitioners that are part of a business wide capability centre. The capability centre is the prime vehicle for the professional development of our security engineers, whilst increasing the capability of the business regards Secure by Design. The security engineers are deployed to projects to support the engineering teams but maintain the back office support of the wider team and centre.

Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.

We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks.

Closing Date: 29th September 2026

We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

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