Principal Engineer C&I – System Integration (Integration, Verification and Validation)

Salary: Circa £55,000

Who we are:

Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us.

From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.

Job Description:

By joining us in the role, you’ll use your knowledge in Integration, Verification and Validation (IV&V) to shape and develop the Integration IV&V capability for highly complex integrated systems within the SSN AUKUS Platform Complex Systems domain. You'll oversee the delivery of the Integration capabilities and infrastructure for Platform Complex Systems. Establishing an infrastructure to enable successful design proving and integration for highly complex integrated systems and their interfaces to support the Integration phase of the Systems Engineering V-Model. Ensure that early Integration, Verification and Validation can be conducted to substantiate and provide evidence for system and subsystem integrated design.

Core duties:

• You will apply Control System experience to support design, integration and delivery of complex systems. Analyse and test data interfaces to understand ensure control system compatibility and integration
• You will apply your experience to develop off boat integration test infrastructure for Platform Complex Systems including third party interface testing
• Apply your experience to develop a Sim/Stim Plant environment and the development and integration to applicable system reference set
• Demonstrate considerable understanding of the full lifecycle, from requirements definition through to integration and acceptance
• You produce clear technical documentation and apply Control Systems knowledge to support engineering strategies and assurance

Essential Skills:

• You hold a BEng (Hons) / MEng or equivalent experience in an engineering discipline or in Control & Instrumentation
• You can show robust understanding of the full engineering lifecycle
• You will possess knowledge in the following areas: control systems, system integration and fieldbus technologies
• Exposure to facilities development from concept through to building and commissioning

The SSNA - Platform Complex Systems Team (PCS IV&V):

The PCS IV&V team is responsible for Delivering the enabling Infrastructure to enable all future PCS IV&V activities on SSN AUKUS. The team responsibilities are to include facilities an infrastructure establishment, IV&V framework and ways of working, toolsets selection, test rig development as well as the production of IV&V evidence to substantiate or feedback into the design.

The PCS IV&V team is a growing, high-impact engineering function delivering IV&V and system integration across the SSNA Platform Complex Systems programme. Working across disciplines, the team drives collaboration, resolves intricate tasks and shapes new capabilities—offering excellent development, cross-programme exposure and considerable support toward chartership.

We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

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.

A place where everyone can thrive:

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: 2nd November 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.