2 Principal mechanical design engineer jobs in UK

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Principal Mechanical Design Engineer

08 February 2026
Hays Specialist Recruitment - Birmingham, West Midlands, B37 7WY
£50,000.0 to £65,000.0 per year
Permanent
Full time

Your new company We are recruiting on behalf of a leading organisation within the commercial decarbonisation and offsite energy solutions sector. With operations spanning the UK, Ireland, and Europe, they are well established in designing and delivering ...

Principal Mechanical Design Engineer - Derby

18 February 2026
Hays Specialist Recruitment - Derby, Derbyshire, DE1 1EQ
£55,000.0 to £65,000.0 per year
Permanent
Full time

Your new company You'll be joining a well‑established building services consultancy recognised for delivering technically strong, sustainable and low‑carbon engineering solutions. The Derby office supports a wide mix of projects across commercial, residential...