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

247 mechanical principal design engineer jobs found

Refine Search
Current Search
mechanical principal design engineer
Refine by Categories
Automotive  (6) Construction  (3) Management  (1)
Ramboll
Mar 12, 2026
Mechanical Principal Design Engineer - Healthcare
Ramboll London, UK
Job Description Ramboll is ranked a Top 10 consultant in the UK and has around 2,000 bright minds working across multiple offices to apply their passion to deliver innovative solutions across Buildings, Transport, Environment & Health and Energy. We love seeing our talents develop and succeed and you will have opportunities to work on challenging and inspiring projects within an environment that is friendly, open and supportive. Job Description Do you have experience in complex, technically challenging projects and want to join the UK team of our Global Healthcare Division? Do you enjoy developing sustainable solutions for technical challenges and working on a wide variety of project types? Are you motivated by innovative engineering solutions and creating sustainable change that benefits society and nature? Do you want to work in an environment that welcomes design flair and innovative solutions? If this sounds like you, or you’re curious to learn more, then this...
Ramboll
Mar 12, 2026
Mechanical Principal Design Engineer - Healthcare
Ramboll Birmingham, UK
Job Description Ramboll is ranked a Top 10 consultant in the UK and has around 2,000 bright minds working across multiple offices to apply their passion to deliver innovative solutions across Buildings, Transport, Environment & Health and Energy. We love seeing our talents develop and succeed and you will have opportunities to work on challenging and inspiring projects within an environment that is friendly, open and supportive. Job Description Do you have experience in complex, technically challenging projects and want to join the UK team of our Global Healthcare Division? Do you enjoy developing sustainable solutions for technical challenges and working on a wide variety of project types? Are you motivated by innovative engineering solutions and creating sustainable change that benefits society and nature? Do you want to work in an environment that welcomes design flair and innovative solutions? If this sounds like you, or you’re curious to learn more, then this...
Ramboll
Mar 12, 2026
Mechanical Principal Design Engineer - Healthcare
Ramboll Manchester, UK
Job Description Ramboll is ranked a Top 10 consultant in the UK and has around 2,000 bright minds working across multiple offices to apply their passion to deliver innovative solutions across Buildings, Transport, Environment & Health and Energy. We love seeing our talents develop and succeed and you will have opportunities to work on challenging and inspiring projects within an environment that is friendly, open and supportive. Job Description Do you have experience in complex, technically challenging projects and want to join the UK team of our Global Healthcare Division? Do you enjoy developing sustainable solutions for technical challenges and working on a wide variety of project types? Are you motivated by innovative engineering solutions and creating sustainable change that benefits society and nature? Do you want to work in an environment that welcomes design flair and innovative solutions? If this sounds like you, or you’re curious to learn more, then this...
RPS Group
Mar 12, 2026
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...
Pertemps TM
Mar 12, 2026
Senior / Principal Mechanical Design Engineer
Pertemps TM Oxford, UK
Senior / Principal Mechanical Design Engineer Location: Oxford | Sectors: Low Carbon, Heritage, Education, Healthcare Employment Type: Full-Time Overview We are seeking a Senior / Principal Mechanical Design Engineer to join a well-established, independent building services consultancy in Oxford. This is a senior role offering the opportunity to lead mechanical design projects, influence sustainable strategies, and mentor junior engineers across heritage, education, healthcare, and commercial sectors. The Senior / Principal Mechanical Design Engineer will work on technically complex, low-carbon projects, delivering HVAC, hot/cold water, and energy-efficient solutions from RIBA Stage 2 through to handover. Key Responsibilities Lead mechanical design of building services systems, including HVAC, hot/cold water, and sustainable strategies Oversee production of technical documentation, drawings (AutoCAD/Revit), and specifications Collaborate with clients, architects, and...
RPS Group
Mar 12, 2026
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...
MWH Treatment
Mar 12, 2026
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,...
EQUANS
Mar 12, 2026
Principal Mechanical Design Engineer
EQUANS Motherwell, UK
Bouygues Energies & Services Industry, an Equans Group Company is recruiting a Principal Mechanical Design Engineer to work in a design team, delivering technical services at bid, design, installation and commissioning phases. The Principal Mechanical Design Engineer will lead high profile projects and mentor more junior engineers. This is a hands-on role which will focus on the delivery and management of design and technical support services to data centers, clean rooms, pharmaceutical and other mission critical projects. What you will deliver? Manage and deliver design work throughout design and build projects in collaboration with the project teams and take full accountability for the design of mechanical services for data centres and other mission critical projects. Undertake design reviews and appraisals and provide technical advice/assistance to the projects teams. Guide and develop design team members and act as a mentor to assist the development of the team to...
Pertemps TM
Mar 12, 2026
Senior/Principal Mechanical Design Engineer
Pertemps TM Cardiff, UK
Senior / Principal Mechanical Design Engineer – Building Services 📍 Location: South Wales | 💰 Salary: Competitive + Package 📅 Job Type: Full-time, Permanent Lead Mechanical Design, Mentor Talent, and Deliver High-Quality Projects A well-established and highly respected Building Services Contractor in South Wales is seeking a Senior / Principal Mechanical Design Engineer to strengthen their in-house mechanical design team. With a strong pipeline of projects across commercial, education, healthcare, residential, hospitality, and retail sectors, this is an exciting opportunity to take a leadership role with real responsibility. You’ll join a supportive team delivering technically challenging and rewarding projects, from multimillion-pound new builds to complex refurbishments, while having the chance to mentor junior engineers and shape the future of the department. Key Responsibilities Lead mechanical design on projects from concept through to completion Attend...
RPS Group
Mar 12, 2026
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...
RPS Group
Mar 12, 2026
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
Mar 12, 2026
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
Mar 12, 2026
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...
Pertemps TM
Mar 12, 2026
Senior/Principal Mechanical Design Engineer
Pertemps TM Cardiff, UK
Senior / Principal Mechanical Design Engineer – Building Services 📍 Location: South Wales | 💰 Salary: Competitive + Package 📅 Job Type: Full-time, Permanent Lead Mechanical Design, Mentor Talent, and Deliver High-Quality Projects A well-established and highly respected Building Services Contractor in South Wales is seeking a Senior / Principal Mechanical Design Engineer to strengthen their in-house mechanical design team. With a strong pipeline of projects across commercial, education, healthcare, residential, hospitality, and retail sectors, this is an exciting opportunity to take a leadership role with real responsibility. You’ll join a supportive team delivering technically challenging and rewarding projects, from multimillion-pound new builds to complex refurbishments, while having the chance to mentor junior engineers and shape the future of the department. Key Responsibilities Lead mechanical design on projects from concept through to completion Attend...
Pertemps Bond
Mar 12, 2026
Principal Mechanical Design Engineer
Pertemps Bond Reading, UK
Job title: Principal Mechanical Design Engineer – Water Sector Location: Reading Hours: 36 hours per week (Hybrid working available) Salary: £60,000 - £80,000 + £5,8000 car allowance An excellent opportunity has arisen for an experienced Principal Mechanical Design Engineer to take a leading role within a forward-thinking organisation supporting major water and wastewater infrastructure programmes. This position offers the chance to influence engineering strategy, guide standards, and provide expert leadership across technically challenging projects, while contributing to sustainable asset delivery and innovation in the sector. Role Overview The successful candidate will act as a senior technical authority for mechanical engineering, responsible for shaping project requirements, driving engineering quality, and delivering robust solutions. Key responsibilities include: Defining clear and accurate technical requirements to support effective project delivery Enhancing...
RPS Group
Mar 12, 2026
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...
Alexander Associates Limited
Mar 12, 2026
Principal Mechanical Design Engineer
Alexander Associates Limited London, UK
Principal Mechanical Design Engineer Location : London (Hybrid) Employment Type : Full-time Sector : Water & Wastewater Infrastructure About the Role Our client, a leading engineering and design‑build delivery partner in the UK water sector, is seeking a Principal Mechanical Design Engineer to strengthen their mechanical engineering team. This hybrid role involves delivering high‑quality mechanical design solutions on major water and wastewater projects. Key Responsibilities • Develop cost‑effective mechanical design layouts meeting specification, safety, and constructability standards. • Evaluate whole‑life design costs including design hours, material selection, buildability, and cross‑discipline impacts. • Ensure consistent use of standard design practices across projects. • Support proposals with engineering estimates and feedback. • Lead multidisciplinary coordination to ensure fully integrated design delivery. • Maintain high standards in...
RPS Group
Mar 12, 2026
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...
Pertemps TM
Mar 12, 2026
Senior / Principal Mechanical Design Engineer
Pertemps TM Oxford, UK
Senior / Principal Mechanical Design Engineer Location: Oxford | Sectors: Low Carbon, Heritage, Education, Healthcare Employment Type: Full-Time Overview We are seeking a Senior / Principal Mechanical Design Engineer to join a well-established, independent building services consultancy in Oxford. This is a senior role offering the opportunity to lead mechanical design projects, influence sustainable strategies, and mentor junior engineers across heritage, education, healthcare, and commercial sectors. The Senior / Principal Mechanical Design Engineer will work on technically complex, low-carbon projects, delivering HVAC, hot/cold water, and energy-efficient solutions from RIBA Stage 2 through to handover. Key Responsibilities Lead mechanical design of building services systems, including HVAC, hot/cold water, and sustainable strategies Oversee production of technical documentation, drawings (AutoCAD/Revit), and specifications Collaborate with clients, architects, and...
RPS Group
Mar 12, 2026
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...
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Sign in
  • Job Seeker
  • Find Jobs
  • Create CV
  • Sign in
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
© 2008-2026 Created by Syon Media Ltd