60 Principal engineer jobs in UK

My client is a leading name in the construction and engineering industry, renowned for delivering high-quality infrastructure projects across the UK. With a commitment to innovation, sustainability, and excellence, they are dedicated to shaping the future of ...

Principal Engineer - Wireless

13 February 2026
Telent - Farnborough, Hampshire, GU15 3YL
Hybrid remote
Permanent
Full time

Principal Engineer - Wireless When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing ...

Principal Engineer - Design Lead

16 February 2026
Jonathan Lee Recruitment - MK45 1TH
On-site only
Permanent
Full time

Principal Engineer - Design Lead - Defence Sector - Permanent - Attractive – Buckinghamshire A Principal Engineer - Design Lead is needed for an established supplier of engineering solutions for the defence sector. They specialise in the design, manufacture ...

Principal Engineer - Civil/Structural

11 February 2026
J Murphy & Sons - Stone Cross Office (2021000079), -
£52000-68000 per annum
Permanent
Full time

Murphy is a leading international, specialist engineering and construction company founded in 1951 with a purpose to improve life by delivering world-class infrastructure. Operating in the United Kingdom, Ireland, Canada and America, Murphy provides better ...

Principal Engineer - HV Substation Protection & Control CDAE

11 February 2026
J Murphy & Sons - Kentish Town Office (2021000049), -
£58000-75000 per annum
Permanent
Full time

Principal Electronics Engineer

10 February 2026
Holt Recruitment Group Limited - Horsham, Southern, RH12 5QE
£65,000 to £75,000 per year
Permanent
Full time

Principal Electronics Engineer Horsham, West Sussex £65,000 – £75,000 Benefits Full Time, Permanent A leading technology business is looking for a Principal Electronics Engineer to take a key role in driving electronics design and systems architecture across ...

Principal Systems Engineer

04 February 2026
Jonathan Lee Recruitment - sl4 8dj
£70,000 to £80,000 per year
On-site only
Permanent
Full time

Are you ready to take your career to new heights? This is your opportunity to join a company at the forefront of defence technology, where innovation and excellence are at the heart of everything they do. As a Principal Systems Engineer, you'll be working on ...

Principal 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 Quality Engineer

21 January 2026
Get Staffed Online Recruitment Limited - Welham Green, AL9 7JB
£50,000 to £60,000 per year
On-site only
Permanent
Full time

Principal Quality Engineer Role Purpose The Principal Quality Engineer is responsible for overseeing the execution and continuous improvement of quality processes to ensure compliance with customer, regulatory, and internal standards, particularly AS9100, ITAR...

Principal Design Engineer

12 February 2026
Bath & North East Somerset Council - Keynsham, Bristol
£47,181 to £51,356 per year
Hybrid remote
Permanent
Full time

At Bath & North East Somerset Council we have one overriding purpose – to improve people’s lives. Make a real difference to the way people move around Bath & North East Somerset About the Area: Nestled between the Cotswold and Mendip areas of outstanding ...