Lead Mechanical Engineer - Air Purification Systems

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Job Title: Lead Mechanical Engineer - Air Purification Systems

Location: Barrow-in-Furness. Hybrid and flexible working arrangements are offered – please speak with recruiting staff for details.

Salary: Competitive

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• 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
  
• Engage with stakeholders across the cross‑functional project team
  
• Drive engineering governance through peer reviews and design reviews
  

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• 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
  

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• Knowledge of platform‑level constraints such as noise, shock, or survivability
  
• Previous experience integrating purification systems with submarine life‑support, HVAC, and emergency protocols
  

Competitive pension scheme; employee share plans; 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.

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. Relocation support packages are offered where eligibility criteria are met.

We are a place where you can make a real difference. Inclusive culture, diversity of thought, integrity, performance and merit. We welcome people from all backgrounds and guarantee fully inclusive recruitment processes. If you have a disability or health condition that may affect performance in assessment types, please speak with recruiting staff about reasonable adjustments.

Many BAE Systems roles are subject to security and export control restrictions. Applicants will need to achieve minimum Baseline Personnel Security Standard, and many roles require higher national security vetting based on continuous UK residency for 5–10 years.

We reserve the right to close this vacancy early if we receive sufficient applications for the role. Submit your application as early as possible.