Overview

Principal Systems Engineer role at BAE Systems located in Frimley, Filton, Weymouth and Broad Oak. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this role.

Salary: Negotiable dependent on experience.

What You’ll Be Doing

• Direct design reviews and technical gate reviews for the Combat System architecture development, including requirements development, verification and validation strategies, and systems engineering across the engineering function.
• Lead a team of system engineers responsible for the design and development of Combat System equipment and systems within the business area.
• Engage with key and senior stakeholders across the business and the MoD.
• Manage the engineering lifecycle of systems, equipment and processes by working with DOORS and model-based systems engineering.

Essential

• Clear understanding of the systems engineering lifecycle.
• Led or participated in Design reviews and Technical Gate Reviews.
• Extensive experience within Systems Engineering (e.g., MBSE).

Desirable

• Previous experience using DOORS, Jira, Confluence, Enterprise Architect.
• Experience leading teams to deliver projects.
• Understanding of engineering governance processes and strategies.

Benefits

You’ll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You’ll also have access to flexible working, an employee assistance programme, Cycle2work and employee discounts, and may be eligible for an annual incentive.

The Engineering Function

Within this team, you will support how BAE Systems executes engineering activities across the wider business and programmes. You will engage with various internal Business Functions and Stakeholders, as well as external MoD stakeholders. This role offers career progression and development for the right individuals looking to progress and lead engineering teams and contribute to the business-wide mission. We offer relocation support packages across all Submarines roles, subject to 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 empowers you to fulfil your potential. We welcome people from all backgrounds and aim to make our recruitment processes as inclusive as possible. If you have a disability or health condition that may affect your performance in certain assessments, please speak to your recruiter about potential reasonable adjustments.

Please note that many roles at BAE Systems are subject to security and export control restrictions. Applicants must meet Baseline Personnel Security Standard at minimum. Some roles require higher levels of National Security Vetting, which may require 5 to 10 years of UK residency for vetting checks.

Closing Date: 5th September 2025

We reserve the right to close this vacancy early if we receive sufficient applications. Please submit your application as early as possible.

Job Details

• Seniority level Mid-Senior level
• Employment type Full-time
• Job function Information Technology
• Industries Defense and Space Manufacturing