9 Principal mechanical jobs in UK
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Sign inPrincipal Mechanical Engineer
- 14 February 2026
- Mott MacDonald - Peterborough, PE3 6SB
- Permanent
- Full time
About Mott MacDonald Mott MacDonald is a global engineering, management and development consultancy. Our purpose is to improve society by considering social outcomes in everything we do, relentlessly focusing on excellence and digital innovation, transforming ...
Principal Mechanical Engineer
- 23 February 2026
- Hays Specialist Recruitment - Warrington, Cheshire, WA3 6AE
- £65,000.0 to £80,000.0 per year
- Permanent
- Full time
Role Overview An exceptional opportunity has arisen for a Principal Mechanical Engineer to join a major programme developing next‑generation Small Modular Reactor technology. This role offers the chance to work at the forefront of advanced nuclear engineering...
Principal Mechanical Engineer
- 08 February 2026
- Mott MacDonald - Bristol, BS1 6FL
- Permanent
- Full time
Other information This is a Mott MacDonald Bentley role, employed by Mott MacDonald.Mott MacDonald Bentley is a joint venture business, established in 1999 between civil engineering contractor JN Bentley and global management consultancy, Mott MacDonald. Mott ...
Principal Mechanical Engineer
- 18 February 2026
- Mott MacDonald - Reading, RG1 8DB
- Permanent
- Full time
Mott MacDonald Bentley are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to ...
Principal Mechanical Engineer
- 19 February 2026
- Morson Talent - HA0
- £65,000 to £75,000 per year
- On-site only
- Permanent
- Full time
Unleash the Power of Multi-Mission Excellence: Safeguarding the Seas for the Worlds Navies. Step into a world where cutting-edge technology meets unparalleled expertise. Ultra Maritime pioneers delivering multi-mission solutions that protect and empower the ...
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...
Principal Mechanical Engineer Building Services
- 18 February 2026
- Morgan Hunt UK Ltd - Glasgow, Glasgow, G2 1DY
- £55,000 to £70,000 per year
- Permanent
- Full time
Company A very reputable large multidisciplinary engineering consultancy with multiple offices throughout the UK. They are currently engaged in a number of projects ranging in size across Healthcare, Education, Commercial, Mixed-Use and more. Highly technical ...
Principal Bridge Engineer - Mechanical Engineer
- 24 February 2026
- BEAR Scotland - Stepps, North Lanarkshire
- Hybrid remote
- Permanent
- Full time
Principal Bridge Engineer – Mechanical & Electrical Engineering Location: Inverness / Stepps Category: Mechanical Engineering / Bridges Full Time / Permanent, 40 Hours per week, Monday – Friday, Hybrid Available after 3 months employment BEAR Scotland is a ...
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