Job Title: Lead Mechanical Engineer – Air Purification SystemsLocation: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements. Salary: CompetitiveJob DescriptionYour Skills and ExperiencesEssential: Experience in the design of gas scrubbing, filtration, and environmental control systems (e.g. CO₂ removal, O₂ , trace contaminant management, radiological hazards) – ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea) Proven capability in system lifecycle delivery – from concept through to commissioning Demonstrated leadership – either through technical direction, mentoring, or project ownership Chartered engineer or working towards professional accreditationDesirable: Knowledge of platform-level constraints such as noise, shock, or survivability Previous experience integrating purification systems with submarine life-support, HVAC, and emergency protocolsBenefitsAs 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 – Air Purification Systems, you will play a pivotal role in the design and development of submarine Air Purification and Atmosphere Monitoring 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 SystemsThis is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values 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.Please note 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 clearance 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 achieve Baseline Personnel Security Standard.Closing Date: 31st October 2025 We 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