Principal Mechanical Engineer

Location: Barrow-in-Furness. We offer a variety of hybrid and flexible working arrangements—talk to your recruiter about the options available for this role.

Salary: Circa £55k

As a Principal Mechanical Engineer, you will be at the forefront of innovation, designing systems for the next generation of Royal Navy submarines. Your responsibilities will include:

• Designing multiple platform systems, sub-systems, and equipment.
• Conducting functional design activities, modeling, and analysis.
• Producing design documentation, Verification & Validation evidence, and safety justifications.
• Supporting specification qualification and procurement of components while collaborating with suppliers.
• Engaging with stakeholders across a cross-functional project team.
• Driving engineering governance through peer and design reviews.

Essential:

• Proven capability in system lifecycle delivery—from concept to commissioning.
• Demonstrated leadership through technical direction, mentoring, or project ownership.
• Degree-level qualification or Chartered Engineer status (or working towards professional accreditation).
• Mechanical Engineering background in Rotator Machinery, Components, or Fluid Dynamics.

Desirable:

• Knowledge of platform-level constraints such as noise, shock, or survivability.
• Experience integrating purification systems with submarine life-support, HVAC, and emergency protocols.
• Design experience in gas scrubbing, filtration, and environmental control systems in complex, safety-critical environments (e.g., maritime, aerospace, defense, nuclear, oil & gas, and subsea).

We offer a competitive pension scheme along with:

• Employee share plans.
• An extensive range of flexible, discounted health, wellbeing, and lifestyle benefits.
• A green car scheme and private health plans.
• Shopping discounts and potential eligibility for an annual incentive.

As a Lead Mechanical Engineer specializing in Air Purification Systems, you will play a pivotal role in designing and developing submarine Air Purification and Atmosphere Monitoring systems. This includes system-level design, technical leadership, supplier engagement, and the opportunity to influence design architecture across a major submarine program. We also offer relocation support packages for eligible candidates.

At BAE Systems, you’ll have the chance to make a real difference. Join an inclusive culture that values diverse perspectives, rewards integrity and merit, and empowers you to reach your full potential. We welcome individuals from all backgrounds and strive 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 discuss potential reasonable adjustments with your recruiter.

Important Note: Many roles at BAE Systems are subject to security and export control restrictions. Factors such as your nationality, any nationalities you may have previously held, and your place of birth can affect your eligibility for certain roles. All applicants must meet the Baseline Personnel Security Standard, and many roles require higher levels of National Security Vetting, typically necessitating 5 to 10 years of continuous residency in the UK.

Closing Date: 4th February 2025

We reserve the right to close this vacancy early if we receive sufficient applications. If you’re interested, we encourage you to submit your application as soon as possible!

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