OverviewJob Title: Lead Mechanical Engineer – HydraulicsLocation: Barrow-in-Furness or Bristol. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role.What you’ll be doingLead the design of hydraulic systems, sub-systems and equipment for the next generation Royal Navy submarinesUndertake functional design activities, modelling and analysisProduce design documentation, Verification & Validation evidence and safety justificationsSupport specification qualification and procurement of components, working collaboratively with suppliersEngaging with stakeholders across the cross-functional project teamDriving engineering governance through peer reviews and design reviewsYour skills and experiencesExperience in the design of hydraulic systems – ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea)Familiarity with systems and equipment involving; hydraulic power units (HPUs), variable frequency drives (VFDs), control cabinets, pumps, electric motors, hydraulic actuators, hydro-static transmissions and fluid mechanics.Proven capability in system lifecycle delivery – from concept through to commissioningDemonstrated leadership – either through technical direction, mentoring, or project ownershipChartered engineer or working towards professional accreditationKnowledge of platform-level constraints such as noise, shock, or survivabilityPrevious engagement with suppliers or stakeholders on hydraulic systems (inclusion of hydraulic control logic is desirable, e.g. Variable Frequency Drive solutions)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 teamAs a Lead Mechanical Engineer, you will play a pivotal role in the design and development of submarine hydraulic and actuation systems. This includes system-level design, technical leadership, supplier engagement, and the opportunity to steer design architecture across a major submarine programme. We offer relocation support packages across all Submarines 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: 3rd October 2025We 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. #J-18808-Ljbffr