Job Description
Job Title: Principal Engineer – Mechanical EngineeringLocation: Barrow-in-Furness. 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 + depending on experienceWhat you’ll be doing:Leading the design of a mechanical system(s), sub-systems and equipment for the next generation Royal Navy submarinesUndertaking functional design activities, calculations and analysisProducing design documentation, Verification & Validation evidence and safety justificationsSpecifying major equipment and support to procurement, qualification and acceptance activities, working collaboratively with suppliersProviding specialist knowledge and subject matter expertise support the installation, integration and commissioning activities associated with the system and equipmentEngaging with stakeholders across the cross-functional project teamMentoring junior engineers in the teamYour skills and experiences:Essential:Degree qualified in Mechanical Engineering or relevant subject, or equivalent experienceProven experience in designing mechanical systems and specifying complex, high value mechanical equipmentExcellent communication skills and significant experience of dealing with internal and external stakeholders at all levelsKnowledge of the complete engineering lifecycle with experience of operating in a number of the key lifecycle phases including requirements, system design, integration and acceptanceGood awareness of product safety and SHEDesirable:Knowledge of platform-level constraints such as noise, shock, or survivabilityPrevious experience of integrating mechanical systems and equipment within naval vesselsExperience in the design of equivalent systems (hydraulics, Diesel Generators, Cooling, Atmosphere Control (HVAC/Air Puri), Survival, Compressed Air & Gas, Buoyancy, Domestic Systems) – ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea)Familiarity with design standards such as ASME, BS EN and other applicable standardsEngineering Chartership held or working towardsBenefits: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 Dreadnought Platform Mechanical Engineering Team:This is an exciting time to join a dynamic engineering team on the largest and most complex UK defence programme, which is currently transitioning from system design to build and commissioning support, where your expertise will help drive the delivery of critical mechanical systems into Test & Commissioning.Through close collaboration with our suppliers and key stakeholders, you will be leading the development of design documents to achieve design completion, reviewing supplier documentation, demonstrating compliance with technical requirements and undertaking assessment of design compliance to support the development of our systems.
This includes system-level design, technical responsibility, supplier engagement, and the opportunity to support build, test and commissioning activities across a major submarine programme.We offer relocation support packages across all Submarine 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.Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard.
Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.Closing Date: 20th January 2026We 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.#LI-AG1#LI-Hybrid