Looking for experienced Principal Mechanical Design Engineers to work in all areas of the Product Life Cycles from Mechanical Future Concepts, Detailed Design and Qualification to Production and In-service Support.

What We Offer:

• Company bonus: Up to £2,500 (subject to company performance)
• Pension: Up to 14% total contribution (employer and employee)
• Overtime: Opportunity for paid overtime
• Flexi leave: Up to 15 additional days
• Flexible working: Open to applicants seeking flexibility
• Enhanced parental leave: Up to 26 weeks for maternity, adoption, and shared parental leave. Enhanced options also available for paternity, neonatal, and fertility-related leave.
• Facilities: Excellent on-site amenities including subsidised meals, free parking, and more

The Opportunity:

Due to increasing workload, we are seeking experienced Principal Mechanical Design Engineers to contribute across the full product lifecycle—from early mechanical concepts and detailed design through to qualification, production, and in-service support.

You will lead the development of innovative mechanical solutions for complex Defence systems, working collaboratively within multi-disciplinary engineering teams. This is a high-impact role offering strong opportunities for professional development and career progression.

What We're Looking For:

• A Degree, HND, or HNC in Mechanical Engineering or a related discipline, plus significant design experience
• Proven ability to lead mechanical design work packages and effectively collaborate in multi-disciplinary environments
• Familiarity with product qualification and compliance processes
• Experience applying robust design methodologies (e.g. DFMEA, DFA, DFM)
• Excellent verbal and written communication skills with the ability to influence and negotiate across functions
• Strong experience working with suppliers and cross-functional teams
• Adaptability to different working cultures and environments
• A calm, professional attitude with good prioritisation and problem-solving skills
• Knowledge of structural, thermal, or dynamic analysis is beneficial
• Experience with 3D CAD/CAE tools (training on preferred platforms will be provided)

Note: This role may require occasional travel within the UK and potentially to sites in Europe.