Overview

Job Title: Principal C&I Engineer – Assurance

Location: Barrow-In-Furness (2 days minimum on site per fortnight). We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this role.

Salary: Negotiable depending on experience

What you’ll be doing

• Contribute to the development of a safety-informed approach for C&I design on next- generation submarines
• Ensure assurance of key safety artefacts for the C&I design, including requirements elicitation and electrical schematics
• Collaborate closely with safety teams across the submarines enterprise to reach alignment on safety-related matters
• Provide oversight for the delivery of the vehicle control solution and the supporting control strategy, managing complex stakeholder relationships
• Coordinate with the engineering manager to support the delivery of C&I systems, reporting progress using agile toolsets
• Drive the execution of the engineering delivery plan, ensuring alignment with project schedules
• Offer guidance on engineering methods and processes to support successful delivery of the plan
• Mentor and support the Engineering Delivery Team, working with a range of SQEP levels to develop technical solutions and foster team growth
• Liaise with legacy stakeholders to evolve a technical solution based on an established baseline design

Your skills and experiences

• Essential Proven background in IEC 61508 – Functional Safety (or similar), including producing supporting evidence to substantiate safety claims
• Developed complex C&I designs for large-scale systems, ensuring compliance with functional, defence, and industrial standards
• Managed non-functional requirements such as EMC and shock, aligning with industrial compliance standards
• Skilled in authoring and reviewing key design documents including I/O schedules, functional design specifications, functional chronicles, and interface control documents
• Holds a degree-level qualification (or equivalent experience) in a relevant STEM subject such as Engineering, Physics, Mathematics, or Science

Desirable: Understanding of control system architecture and communication protocols (i.e. RS-485, PROFIBUS)

Benefits

As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive.

About the team

The Platform Complex Systems – C&I Embed team: You will be working with a multitude of stakeholders to develop the design of the C&I for the Royal Navy’s next attack class submarine. The Platform Complex Systems team ranges from engineers, designers and supporting functions with experiences from graduates through to principal engineers. The team is responsible for the delivery of 28 C&I and Internal Communication Systems plus the technical co-ordination and delivery of over 80 C&I systems.

Relocation and inclusion

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

You’ll be part of an inclusive culture that values thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

Please be aware that many roles at BAE Systems are subject to security and export control restrictions. These restrictions mean that factors such as your nationality, any previous nationalities you may have held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must at minimum achieve Baseline Personnel Security Standard.

Many roles also require higher levels of Security Vetting where applicants must typically have 5 to 10 years of continuous service in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date: 24th September 2025. 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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