<b>IT, Software, Technology</b> Cardiff

Job Title: Principal Engineer – Electrical Engineering (Control and Instrumentation)

Location: Barrow-In-Furness,Filton,Frimley,Broad Oak,Brough,Weymouth or Coventry

We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role

Salary: £47,241+ (Commensurate with skills and experience)

Who we are:

Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering advanced, technology-led defence, aerospace and security solutions, shaping a safer future for all of us.

From the depths of the ocean to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.

What you will be doing:

As a Principal Engineer – Electrical Engineering (Control and Instrumentation), you will play a pivotal role in the design and development of submarine electrical Control and Instrumentation systems. You will work on designing crucial systems for the Dreadnought class submarines, which will replace the Vanguard Class, currently in service with the Royal Navy. This role will give you the opportunity to work on one of the most complex engineering programmes ever undertaken in the country, which will deliver a product of national importance.

Core duties:

Validate engineering assumptions, data, analysis methodologies and results through review, surveillance and audit

Provide evidence and specialist support for qualification, legislative requirements, safety justifications and assurance activities

Identify and rapidly resolve issues across the product lifecycle, including management of resulting change activities

Liaise with internal customers to understand, support and incorporate agreed requirements

Manage external supplier delivery including build, test, change and technical queries.

Provide day to day technical guidance for early learners in the team

Provide realistic programme status, identify risks and issues, implement recovery plans, and define qualification obligations for assurance hold points

Support design assurance and safety case documentation while complying with Quality, HS&E Management Systems, procedures, standards, risk assessments and control measures

Essential Skills:

BEng (Hons), MEng or equivalent in a relevant engineering discipline (HND may be considered)

Relevant sector experience, with detailed design experience of large-scale Electrical, Electronic, Control and Instrumentation (C&I) systems

Strong knowledge of Distributed Control Systems (DCS), instrumentation and engineering design, with practical understanding of the C&I design lifecycle

Ability to review and assess design, equipment and test documentation, including electrical schematics, schedules and signal databases

Experience witnessing and assessing supplier testing and reports, with understanding of equipment delivery and acceptance criteria for facility integration

Demonstrable leadership and communication skills, with good knowledge of requirements and configuration management

The PMS C&I Team:

This is an exciting opportunity to join the Dreadnought programme as a Principal Engineer – Electrical Engineering (Control and Instrumentation). The PMSC&I Team is responsible for the design, integration, assurance and delivery of Control and Instrumentation systems. The team provides specialist engineering support across the system lifecycle, including requirements definition, detailed design, equipment integration, supplier testing, commissioning and assurance. It ensures that Control and Instrumentation systems operate safely, reliably and efficiently, with appropriate monitoring, control, protection and system interfaces. Relocation support may be available for submarine roles, subject to eligibility criteria.

A place where everyone can thrive:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We welcome applications from all suitably qualified people and encourage discussion of reasonable adjustments where needed.

Please be aware that many roles at BAE Systems are subject to security and export control restrictions. Applicants must meet Baseline Personnel Security Standard, and many roles require higher levels of National Security Vetting, including 5–10 years continuous UK residency depending on the role.

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. Lifelong learning, meaningful work, and a supportive culture enable you to grow with confidence. You’ll be recognised for your contribution and supported with rewards that matter most to you.

Closing Date: 26th October 2026

We reserve the right to close this vacancy early if we receive sufficient applications. If you are interested, please apply as early as possible.

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