iED Jobs
  • Jobs
  • Companies
  • Post a Job
  • Pricing
  • Sign in
  • Sign up
  • Jobs
  • Companies
  • Post a Job
  • Pricing

233 principal engineer jobs found

Refine Search
Current Search
principal engineer
Refine by Categories
Construction  (13) Automotive  (4) Information Technology  (1) Science  (1)
Pertemps TM
Nov 09, 2025
Senior / Principal Mechanical Design Engineer
Pertemps TM Bristol, UK
Senior / Principal Mechanical Engineer Location: Bristol Discipline: Mechanical Building Services An exciting opportunity has arisen for an experienced Mechanical Engineer to join a growing multi-disciplinary building services team. You’ll be part of a dynamic and innovative group delivering projects from early-stage strategy and concept design through to detailed design, construction and post-completion evaluation. This role is ideal for a Senior Engineer ready to step up, or an established Principal Engineer seeking more autonomy, leadership and influence in project delivery and team development. What You’ll Be Doing Lead the design and delivery of mechanical building services systems, including calculations, schematics, specifications, models, equipment schedules and technical documentation. Oversee projects from concept to completion, ensuring technical excellence, innovation and compliance with relevant regulations and standards. Attend and lead design team...
Pertemps TM
Nov 09, 2025
Senior / Principal Mechanical Design Engineer
Pertemps TM Bristol, UK
Senior / Principal Mechanical Engineer Location: Bristol Discipline: Mechanical Building Services An exciting opportunity has arisen for an experienced Mechanical Engineer to join a growing multi-disciplinary building services team. You’ll be part of a dynamic and innovative group delivering projects from early-stage strategy and concept design through to detailed design, construction and post-completion evaluation. This role is ideal for a Senior Engineer ready to step up, or an established Principal Engineer seeking more autonomy, leadership and influence in project delivery and team development. What You’ll Be Doing Lead the design and delivery of mechanical building services systems, including calculations, schematics, specifications, models, equipment schedules and technical documentation. Oversee projects from concept to completion, ensuring technical excellence, innovation and compliance with relevant regulations and standards. Attend and lead design team...
MWH Treatment
Nov 09, 2025
Senior/Principal Design Engineer - Mechanical
MWH Treatment Brighton, Brighton and Hove, UK
We are looking to strengthen our engineering team with a Senior Mechanical Engineer based at Brighton with hybrid working available.  You will report directly to the Principal Engineer and your role will be to provide superior quality Engineering Design services to allow the company to minimise risks and maximise profits on turnkey and engineering services contracts. You will co-ordinate the design and produce design documents and drawings taking due account of health and safety requirements, specifications and standards pertaining to the contract. Key responsibilities will include: Produce design layouts which are cost effective, meet the requirements of the specification and which can be constructed and commissioned effectively. The term ‘cost’ is to embrace all costs associated with the design and the subsequent construction of the design. To be cost effective the whole out turn cost of the design solution must be considered including design time costs, material costs,...
Pertemps TM
Nov 09, 2025
Senior / Principal Mechanical Design Engineer
Pertemps TM Bristol, UK
Senior / Principal Mechanical Engineer Location: Bristol Discipline: Mechanical Building Services An exciting opportunity has arisen for an experienced Mechanical Engineer to join a growing multi-disciplinary building services team. You’ll be part of a dynamic and innovative group delivering projects from early-stage strategy and concept design through to detailed design, construction and post-completion evaluation. This role is ideal for a Senior Engineer ready to step up, or an established Principal Engineer seeking more autonomy, leadership and influence in project delivery and team development. What You’ll Be Doing Lead the design and delivery of mechanical building services systems, including calculations, schematics, specifications, models, equipment schedules and technical documentation. Oversee projects from concept to completion, ensuring technical excellence, innovation and compliance with relevant regulations and standards. Attend and lead design team...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Birmingham, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Cumbria, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Sheffield, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Manchester, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Glasgow, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Leeds, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Newcastle upon Tyne, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group London, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Derby, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Warrington, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
RPS Group
Nov 09, 2025
Principal Mechanical Design Engineer (Water)
RPS Group Edinburgh, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
Responsum Global Ltd
Nov 09, 2025
Senior / Principal Electrical Design Engineer | Work On Data Centres + Paid Overtime | RG/6561
Responsum Global Ltd London, UK
First things first: This position is open to Engineers who have no experience in Data Centres, but if you do then even better! Do you thrive on leading complex electrical designs from concept to completion, ensuring every detail sparks with precision? Can you picture yourself mentoring and inspiring a team of engineers, lighting the path for technical excellence and innovation? Do you see yourself as both a strategist and a hands-on engineer, bridging visionary ideas with practical execution? If this resonates with you, then this could be the next big step in your career journey! The Company This is an award-winning professional building services consultancy, based in London, specialising in mechanical, electrical and environmental engineering. They operate in a number of sectors, however their particular fields of expertise are resilient engineering, mission critical projects and corporate fit out. They have a strong sustainability approach and their reputation has grown over...
Leonardo
Nov 09, 2025
Principal High-Speed Digital Electronics Design Engineer
Leonardo Newcastle upon Tyne, UK
Job Description: We are looking for an experienced Principal High-Speed Digital Electronics Engineers to join the GCAP development team in Leonardo, to work at the either Edinburgh or Newcastle site. GCAP is an exciting new project team designing a new radar sensor. You will be working within a multi-disciplined delivery team with responsibility across the full engineering lifecycle from requirements capture to final delivery. This is an exciting and challenging opportunity to join a highly skilled team at a time of significant growth of the GCAP programme. What you’ll do as a Principal High Speed Digital Electronics Engineer: This is an exciting opportunity for you as an experienced engineer to bring your skillset and knowledge into our working environment. You will: Designing high speed digital Printed Circuit Boards that utilise the latest FPGA, microprocessor and high-speed interconnect technologiesSupporting throughout the full hardware lifecycle from requirements...
Pertemps TM
Nov 09, 2025
Principal / Associate Electrical Design Engineer
Pertemps TM Oxford, UK
⚡ Principal / Associate Electrical Engineer Location: Oxford | Focus: Leadership, Low Carbon Design, Heritage Projects About Us We’re a highly respected, independently owned building services consultancy in Oxford, specialising in sustainable, low-energy design . Our projects range from heritage refurbishments and education buildings to complex infrastructure developments . Our team includes specialists in lighting design, building physics, and Passivhaus , creating a culture where technical excellence, collaboration, and innovation are at the core. We have a strong project pipeline and are now looking for a senior Electrical Engineer to lead delivery, shape design standards, and mentor the next generation of engineers . Role Overview As a Principal or Associate Electrical Engineer, you will: Take ownership of electrical design across multiple projects , from feasibility to handover Lead coordination with MEP teams, architects, and external...
Pertemps TM
Nov 09, 2025
Principal Electrical Design Engineer
Pertemps TM Exeter, UK
Principal Electrical Design Engineer Location: Devon Salary: DOE + Performance Bonus Benefits: 25 Days Holiday + Bank Holidays + Pension + Private Medical + Hybrid & Flexible Working A leading multi-disciplinary consultancy in the South West is seeking a Principal Electrical Design Engineer to join their growing Devon team. Renowned for delivering complex, sustainable building services solutions, the company works on a diverse range of projects—from high-spec commercial offices and healthcare facilities to heritage redevelopments and innovative educational spaces. This senior role offers the opportunity to shape the design of major projects while enjoying the exceptional lifestyle Devon has to offer. The company is open to supporting relocation for the right candidate, making this an ideal move for professionals seeking both career progression and a better work-life balance in a region known for stunning coastlines, Dartmoor adventures, and excellent schools....
Pertemps TM
Nov 09, 2025
Senior/Principal Mechanical Design Engineer
Pertemps TM Cardiff, UK
 Senior/Principal Mechanical Design Engineer – South Wales (Building Services) Location: South Wales  Salary: Competitive, depending on experience + package Job Type: Full-time, permanent I’m working with a well-established and highly respected Building Services Contractor based in South Wales who are currently looking to strengthen their in-house mechanical design team with the addition of a Senior or Principal Mechanical Design Engineer . With a strong pipeline of secured work across a range of sectors – including commercial, education, healthcare, residential, hospitality, and retail – this is an exciting opportunity for someone who wants to step into a role with real responsibility and the backing of an experienced, supportive team. 🏗️ About the Role This is a lead design role within the business. You’ll be responsible for managing mechanical design from early-stage concept through to technical delivery on site. You’ll act as the main point of contact for...
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Sign in
  • Job Seeker
  • Find Jobs
  • Create CV
  • Sign in
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
© 2008-2025 Created by Syon Media Ltd