Mechanical Engineer – Air Purification systems

The Opportunity

Copello are working with a leading defence engineering partner to recruit a Lead Mechanical Engineer for Air Purification and Atmosphere Monitoring systems. This role offers the opportunity to contribute to the design and development of next-generation naval platforms within a major UK defence programme.

Key Responsibilities

• Lead the design and development of air purification and atmosphere monitoring systems for complex marine environments.

• Conduct functional design, modelling, and analysis of system components and sub-systems.

• Produce design documentation, verification and validation evidence, and safety justifications.

• Support the specification, qualification, and procurement of system components in collaboration with suppliers.

• Engage with multidisciplinary teams and stakeholders across engineering, procurement, and project functions.

• Provide technical leadership through peer reviews, design reviews, and mentoring of junior engineers.

Skills and Experience

Essential:

• Proven experience in the design of gas scrubbing, filtration, or environmental control systems (e.g. CO₂ removal, O₂ generation, contaminant management) within safety-critical sectors such as defence, aerospace, nuclear, or oil & gas.

• Strong understanding of system lifecycle delivery, from concept through to commissioning.

• Demonstrated leadership capability, whether through project ownership, mentoring, or technical authority.

• Chartered Engineer status (or working towards).

Desirable:

• Awareness of platform-level constraints such as noise, shock, and survivability.

• Experience integrating air purification systems with broader life-support, HVAC, or emergency response systems.

What’s on Offer

• Competitive salary and comprehensive benefits package.

• Hybrid and flexible working arrangements.

• Opportunities for career progression, professional development, and relocation support where applicable.

• Work on cutting-edge, mission-critical engineering projects that enhance national defence capability.