Principal Mechanical Design Engineer

Martin Baker • Denham Green, Buckinghamshire, United Kingdom • Posted June 08, 2026

Location Denham Green, Buckinghamshire
Job Type Full-time
Category architecture-and-engineering
Posted June 08, 2026
Principal Mechanical Design Engineer (Technical Lead)

Location: Denham

Martin-Baker is the world’s leading manufacturer of ejection and crashworthy seats, saving over 7,805 lives to date. We combine cutting-edge engineering with a clear mission: protecting aircrew around the world.

We are now recruiting a Principal Mechanical Design Engineer to join our Mechanical Engineering team at our Denham site.

The Role:

As a Principal Mechanical Design Engineer, you will be responsible for delivering robust, compliant, and commercially viable mechanical designs across the full product lifecycle — from concept through development, qualification, production, and in-service support. You will work closely within Integrated Project Teams to ensure engineering outputs meet regulatory, customer, and internal requirements, while optimising manufacturability, safety, and performance.

You will also support design reviews, drive continual improvement across product...

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