85 Principal engineer jobs in UK
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Sign inPrincipal Mechanical Communications Engineer
- 12 January 2026
- Morson Talent - GU16 7EX
- £57 to £76.98 per hour
- On-site only
- Contract
- Full time
V05483 Principal Engineer - Combat Systems (External Communications) - Paul Colloby is the HM. 1 position 12 month contract Frimley Hybrid - 2-3 days per week 37 hours a week Dreadnought programme £57.00 PAYE (£65.29 including holiday pay) or £76.98 p/h ...
Principal FPGA Design Engineer
- 08 January 2026
- Carbon60 - Enfield, London, EN3 7XQ
- £65 to £80 per hour
- Contract
- Full time
Principal FPGA Design Engineer (Contract) Contract: 6 months outside IR35 Travel: Occasional UK travel We're looking for a Principal FPGA Design Engineer to take ownership of complex FPGA architectures and deliver innovative solutions for advanced systems. If ...
Principal Mechanical Design Engineer
- 03 February 2026
- Thames Water - Reading, Home Counties, RG1 8DB
- £65,000 to £80,000 per year
- Permanent
- Full time
Lead the Future of Water Engineering – Become Our Principal Mechanical Design Engineer Are you ready to shape the future of water and wastewater infrastructure? As our Principal Mechanical Design Engineer, you’ll take the lead in driving innovation, setting ...
Principal Electrical Design Engineer
- 09 January 2026
- Hays Specialist Recruitment - Bristol, Bristol, BS1 6DZ
- £55,000.0 to £75,000.0 per year
- Hybrid remote
- Permanent
- Full time
Your New Company Hays Building Services are pleased to be assisting a consultancy in Bristol with the recruitment of a Senior/Principal Electrical Design Engineer to join their expanding team. Your New Role You will be the lead electrical engineer for multiple...
Principal Electrical Design Engineer
- 16 January 2026
- inploi - Stowmarket, IP14
- Competitive
- Permanent
- Full time
Principal Electrical Design Engineer Stowmarket, London – Hybrid Permanent – Full Time Competitive (DOE) Car/ Car Allowance & Flexible Benefits Summary: Freedom are seeking a Principal Power System Engineer to join us on our journey Are you a Lead who can ...
Principal EC&I Engineer
- 13 January 2026
- Rullion - Winchester, Hampshire, SO211QA
- Hybrid remote
- Permanent
- Full time
Job title: Principal EC&I Engineer Job Type: Permanent Start date: Subject to vetting Salary Range: Depending on experience Location: Twyford, Hampshire Full Site Based/Hybrid/Remote Working: Hybrid working Hours of work: 37 hours per week - Monday to Friday (...
Principal Civil Structural Engineer
- 12 January 2026
- Hays Specialist Recruitment - Warrington, Cheshire, WA3 6XF
- £60,000.0 to £80,000.0 per year
- Hybrid remote
- Permanent
- Full time
Join a leading consultancy delivering transformative engineering solutions across the nuclear, renewable energy, and high-energy industrial sectors - including data centres and hydrogen production facilities. This is a senior opportunity to shape nationally ...
Principal EC&I Engineer
- 30 January 2026
- Millbank Holdings Ltd - Warrington, North West, Warrington
- Contract
- Full time
Describe a complex EC&I design challenge you have led from concept through to detailed design. What made it complex, and how did you resolve it? When reviewing the work of senior designers, what specific technical or compliance issues do you scrutinise most ...
Railway Engineer - Principal grade
- 27 January 2026
- JBA Group - LS1 8EQ
- Hybrid remote
- Permanent
- Full time
We are seeking an enthusiastic and technically well-rounded Engineer to play a leading role in supporting our growth. The ideal candidate will have extensive experience in the railway sector and the consultancy environment. They will be used to working ...
Principal Data Engineer FTC | Chelsea and Westminster Hospital NHS Foundation Trust
- 08 January 2026
- Chelsea and Westminster Hospital NHS Foundation Trust - London, SW10 0XD
- £64,156 - £71,148 per annum
- Contract
- Full time
The Information and Digital Departments at Chelsea and Westminster are a cutting edge working environment, looking to further utilise modern technologies and methods. The post-holder will be expected to work closely with all members of the digital team, data ...