Lead Mechanical Engineer – Air Purification Systems

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Job Title: Lead Mechanical Engineer – Air Purification Systems
Location: 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: Competitive
What you’ll be doing:
Design of Air Purification and Atmosphere Monitoring systems, sub-systems and equipment for the next generation Royal Navy submarines
Undertake functional design activities, modelling and analysis
Produce design documentation, Verification & Validation evidence and safety justifications
Support specification qualification and procurement of components, working collaboratively with suppliers
Engaging with stakeholders across the cross-functional project team
Driving engineering governance through peer reviews and design reviews
Your skills and experiences:
Essential:
Experience in the design of gas scrubbing, filtration, and environmental control systems (e.g. CO₂ removal, O₂ generation, 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 accreditation
Desirable:
Knowledge of platform-level constraints such as noise, shock, or survivability
Previous experience integrating purification systems with submarine life-support, HVAC, and emergency protocols
Benefits:
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 team:
As 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 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 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 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 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 Security Vetting where applicants must typically have 5 to 10 years of continuous in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.
Closing Date: 3rd 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.
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Location:
Grange-Over-Sands
Job Type:
FullTime
Category:
Engineer, Systems, Lead, Engineering, Mechanical, Systems Engineering

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