Principal Systems Engineer

Location: Frimley - Enjoy the flexibility of hybrid working arrangements! Talk to your recruiter about the options available for this role.

Salary: Negotiable based on your experience.

As a Principal Systems Engineer, you will play a pivotal role in shaping the future of our systems. Your responsibilities will include:

• Technical Ownership: Lead the design decisions for CCS, supporting the Engineering Manager in delivering in-service programmes.
• Project Leadership: Control project scope, manage design changes, and engage with stakeholders to identify risks early.
• Design Governance: Coordinate programme-level design reviews, manage design baselines, and produce Certificates of Design.
• System Integration: Review and influence technical requirements to ensure seamless integration across sub-systems.
• Expertise Sharing: Provide specialist knowledge in the integration, validation, and verification of systems.

Essential:

• Extensive experience in network or software engineering, ideally with an operations background.
• Proven ability to lead technical matters and provide expert guidance.
• Chartered Engineer status or actively working towards it.
• Specialist expertise in Combat Systems, particularly related to submarines, is a plus.
• Familiarity with DOORS and hands-on experience using it.
• Demonstrated experience in change management processes.

Desirable:

• Systems Engineering (INCOSE) qualifications.

At BAE Systems, we offer more than just a job; we provide a pathway to a fulfilling career. Here’s what you can expect:

• Competitive Benefits: Enjoy a robust pension scheme, employee share plans, and a wide range of flexible health and lifestyle benefits, including a green car scheme and shopping discounts.
• Growth Opportunities: Be part of a dynamic team working on the V Class, where you’ll thrive in a fast-paced environment and collaborate with a diverse group of stakeholders.
• Inclusive Culture: We value diversity and are committed to creating an inclusive environment where everyone can thrive.

You will be joining the In-Service Programme team, working closely with a core group of 6-12 professionals while engaging with a broader network of around 30. This role requires strong technical leadership, proactive problem-solving, and collaboration with the right stakeholders to drive solutions forward. We also offer relocation support packages for eligible candidates.

Many roles at BAE Systems are subject to security and export control restrictions. Factors such as nationality and residency may affect your eligibility for certain positions. All applicants must meet the Baseline Personnel Security Standard, with many roles requiring higher levels of National Security Vetting.

24th February 2026. We may close this vacancy early if we receive sufficient applications, so don’t wait—apply today!

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