Overview

Job Title: Principal C&I Engineer – Assurance

Location: Barrow-In-Furness (minimum 2 days on site per fortnight). Hybrid and flexible working arrangements available – speak to your recruiter about options.

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 nuclear submarines
• Ensure assurance of key safety artefacts for the C&I design, including requirements elicitation and electrical schematics
• Collaborate with safety teams across the submarines enterprise to align 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

Competitive pension scheme, employee share plans, flexible discounted health, wellbeing and lifestyle benefits, green car scheme, private health plans and shopping discounts. You may also be eligible for an annual incentive.

About the team

You will be working with the Platform Complex Systems – C&I Embed team on the Royal Navy’s next generation attack class submarine. The team includes engineers, designers and supporting functions with experience ranging from graduates to principal engineers. The team is responsible for the delivery of 28+ C&I and Internal Communication Systems and for the technical coordination and delivery of over 80+ C&I systems. Relocation support packages are available across Submarines roles, subject to eligibility criteria.

Why join

This role offers the opportunity to make a real difference in an inclusive culture that values diversity of thought, integrity and merit. If you have a disability or health condition that may affect your performance in some assessments, please speak to your recruiter about reasonable adjustments. Roles may be subject to security and export control restrictions; applicants must meet Baseline Personnel Security Standard with higher levels of vetting for some roles.

Closing Date: 24 September 2025

We reserve the right to close this vacancy early if sufficient applications are received. Please apply early if interested.