52 Principal engineer jobs in UK

RPS, a TetraTech company, are looking for a Principal Engineer to join our Hydrology Team in London. The opportunity would suit an individual with around 8 –12 -year experience or more with a current similar role. RPS projects are all around you. We define, ...

Senior/Principal Engineer

18 November 2025
Somerset Drainage Boards Consortium - Highbridge, Somerset
£50,388 to £56,422 per year
On-site only
Permanent
Full time

PRINCIPAL ROLES 1. To lead in the delivery of all Engineering Services to the Boards. 2. To manage external consultant provision where necessary PRIMARY DUTIES 1. Deliver capital and maintenance land drainage and flood risk management works for the IDB, as ...

Principal Engineer - Civil/Structural

27 November 2025
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

27 November 2025
J Murphy & Sons - Kentish Town Office (2021000049), -
£58000-75000 per annum
Permanent
Full time

Principal Structural Engineer

07 November 2025
Extension Recruitment - Northallerton, North Yorkshire
£50,000 to £55,000 per year
Hybrid remote
Permanent
Full time

Job Summary: Job Title: Principal Structural Engineer Location: Northallerton, with Hybrid working Full Time/Permanent Our client is an award winning building design consultancy. They are currently looking for a Principal Structural Engineer to join their team...

Principal Structural Engineer

17 November 2025
Unipart Group - Rotherham
Upto £70,000
Permanent
Full time

Job Advert Unipart Construction Technologies (UCT) based in Sheffield are specialists in designing and manufacturing transformative and sustainable technologies for the construction industry. We are seeking an experienced Principal Structural Engineer to join ...

Principal Mechanical Engineer

16 November 2025
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 Design Engineer

28 November 2025
NRL Ltd - Watford, Home Counties, WD24 4WW
£71,000 to £75,000 per year
Permanent
Full time

Our client is a leading civil infrastructure contractor, delivering innovative, safe, and efficient engineering solutions across major projects. They are seeking a Principal Design Engineer, based in Watford to take ownership of temporary works and scaffold ...

Principal Civil Engineer

19 November 2025
RPS Group Limited - Birmingham, London
Hybrid remote
Permanent
Full time

RPS are currently seeking an experienced Principal Civil Engineer to join our progressive business and service our clients. This role will be within the civil engineering team team which could include Residential, Highways and Renewables based projects. Join ...

Principal Mechanical Engineer

28 November 2025
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 ...