Principal Systems Engineer - C&I

BAE Systems; Dalton-in-Furness; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading defence contractor is seeking a Principal Systems Engineer - C&I to generate systems models and collaborate on projects for the Royal Navy's next-generation submarines. The ideal candidate has relevant degree qualifications and experience in the C&I domain, especially within regulated industries. The role offers flexible working arrangements and a variety of benefits including a pension scheme and health plans.

Benefits

Competitive pension scheme

Employee share plans

Discounted health and lifestyle benefits

Relocation support packages

Qualifications

• Degree qualified in a relevant field.
• Experience in the C&I domain.
• Experience with regulated industries such as defence, Oil and Gas, and Nuclear.

Responsibilities

• Generate systems models for major C&I systems.
• Work with system owners to improve design simplicity.
• Manage stakeholders for consistency across the Centralised C&I team.

Skills

C&I domain working experience

Experience of requirements management

Demonstrable experience in working with multi-discipline teams

Education

Degree qualified

Tools

CAMEO

Enterprise Architect

DOORs

Job description

Overview

Job title: Principal Systems Engineer - C&I

Location: Barrow (Hybrid). We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role.

Salary: Negotiable depending on experience

What you'll be doing

• Generate systems models such as functional, logical and interface models for 12+ major C&I systems including Distributed Control Systems, Control Console and Vehicle Control Systems


• Work closely with the system owners providing dynamic challenge on the systems design, to drive simplification within the design


• Support the wider C&I design for several C&I sub-systems for Secondary Propulsion, Platform Mechanical and Platform Electrical


• Manage various systems modelling/engineering stakeholders to provide consistency across the Centralised C&I team


• Support the development of a functional design for the systems within scope for Centralised C&I


• Deliver the response to the engineering delivery plan, ensuring that the plan is delivered to schedule

Your skills and experiences

Essentials:

• Degree qualified


• C&I domain working experience


• Demonstrable experience in working with multi-discipline teams


• Experience of requirements management for similar regulated industries such as defence, Oil and Gas, and Nuclear

Desirable:

• Proven use of Systems Engineering toolsets such as CAMEO, Enterprise Architect and DOORs


• Comparable experience in C&I design across the lifecycle, specifically early-stage design


• Experience within regulated industry such as Defence, Oil and Gas and Nuclear

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.

The Centralised C&I Team

You will contribute to defining and shaping the Command and Information (C&I) design for the Royal Navy's next-generation attack submarines. Your role will involve supporting the development of systems from initial concept through to final design. In this position, you will collaborate closely with internal teams, external stakeholders, international partners, and suppliers to ensure the successful delivery of this critical project. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of 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 disability or health 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.

Closing Date: 10th 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.