29 principal mechanical design engineer jobs found in London

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...

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...

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...

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...

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...

Job Description Are you a Mechanical Design Engineer who thrives on leading the way on solving difficult engineering problems? Are you drawn to complex projects and excited by the opportunity to rapidly progress your technical leadership skills to the next level, heading up multi-disciplinary projects? If so, you might enjoy solving the energy industry’s most important mechanical engineering conundrums for a multitude of energy systems across a variety of clients. You could be Managing exciting projects designing test rigs in support of the development of the UKs nuclear fusion capabilities, carrying out structural integrity assessment of primary plant (for both civil and defence applications) to keep existing fleet generating, designing high integrity structures for new nuclear establishments, or leading one of many renewable energy projects across a growing carbon net zero portfolio. You’re likely to be juggling several projects simultaneously, so enjoying...

Senior Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Senior 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 foster a...

About the job Teamwork where everyone’s on board. Embrace it today. About The Role TheSeniorDesign Engineer – Electricalplays a pivotal role inthe design, specification and technical assurance of electrical power, mechanicalcooling,and associated infrastructure systems to supportBoldyn’sTelco, Enterprise, Offshore, Venues, Special Events,Wi-Fi,and NHIB programmes.TheSeniorDesign Engineer – Electrical will work across M&E projects and is therefore expected todemonstrateboth electrical and mechanical competence. Reporting to theHead of Engineering, this role providesadvancedembedded, in-house specialist engineering capability, replacing our reliance on external electrical and mechanical consultants. The role encompasses a Technical Design Authority (TDA) status and compliance with UK regulations / standards, buildability and operational resilience of all electrical and mechanical infrastructure that supports our systems. The role covers the design and technical assurance...

Principal Electrical Design Engineer (Water) We are currently in the market to recruit multiple Principal Electrical 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...

The UK&I energy sector is undergoing a seismic shift. Surging demand, stricter regulations, and ambitious net-zero goals are driving groundbreaking innovation. Here's your chance to be at the heart of it all. Are you a passionate experienced Electrical Engineer with experience of working with HV and EHV voltages with experience of working with UK requirements/regulations? We are looking to recruit experienced Electrical Design Engineers at varying level of seniority from Experienced (ideally Chartered), to Senior, Principal and Senior Principal levels) to join the team across the UK. You will have the opportunity to get involved in wide range of projects including energy from waste, solar, interconnectors, windfarms, substations, OHL, energy building design, protection systems, LVAC, pump stations, etc. For more info on our projects, hear what our team have to say here . As a Principal/Senior Electrical Engineer, you will play a key role in all aspects of projects, from...

The Opportunity Baker Hicks have grown rapidly in the Transmission & Distribution sector over the last number of years and have been successful in winning a number of major projects within the UK. As the demand to deliver exceptional engineering design from our clients continues to grow, an opportunity has arisen for a HV Cable Design Engineer.  As a HV Cable Design Engineer, you will be reporting to the Principal Engineer – HV. You will be responsible for ensuring the quality and consistency of the team’s output in the production and control of drawings and technical documents. You will assist during the bid process in order to secure further work. About You You must have experience in producing and checking all designs, calculations, reports, and drawings related to new or modified HV/EHV projects ranging from 11kV to 400kV, specifically for cable system designs. This includes the production of bonding line diagrams, cable rating calculations, induced voltage...

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...

Company Description Work with Us. Change the World. At AECOM, we’re delivering a better world.Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world’s trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of nearly 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We’re one global team driven by our common purpose to deliver a better world. Join us. Job Description...

Job Description The UK Energy market is undergoing unprecedented change as the country strives towards a net zero carbon target. The sector must contend with high penetration of modern generation, transmission and distribution technologies, energy storage and prepare for the increased demand associated with the electrification of transport and heat as the countries progresses along the decarbonisation pathway. As part of the Net Zero agenda, networks have a crucial role in delivering the renewable energy which is required to be connected. The transmission network operators have secured c.£8bn as part of the RIIO T2 package. This is an opportunity to work at the forefront of the energy sector, to deliver outstanding projects and be part of the solution to delivering Net Zero. We empower our people to be the professional individuals they want to be, working on projects they feel proud of, making a difference to the world they live in and the legacy they leave behind....

Are you an experienced HV Cable Design Engineer looking for exciting new challenges? Enter our talent pool for future opportunities! The transmission and distribution sector is rapidly transforming against a backdrop of growing demand, regulatory changes, ambitious carbon reduction targets and new innovations in technology. Due to continued growth, we are open to speaking with experienced HV Cable Design Engineers. We are open to exploring future opportunities in line with our growth across ideally Principal/Senior Engineer levels in our Energy Team. This team presents an exciting opportunity to get involved in a wide variety of projects, across various technical disciplines with clients across country. These projects can include HVDC, interconnectors, windfarms, substations, OHL, geotechnical solutions, building design, protection systems, LVAC, FEED, new builds, refurbishment works, connections schemes etc. The role is to work as part of the Cable team on electrical...

Are you a talented Experienced Civil Design Engineer with a passion for the energy sector? Do you want to deliver sustainable projects that make a difference in the face of unprecedented challenges? The UK&I energy sector is undergoing a seismic shift. Surging demand, stricter regulations, and ambitious net-zero goals are driving groundbreaking innovation. Here's your chance to be at the heart of it all. We are interested in speaking with Principal Civil Design Engineers with experience in the Energy/Power sector to join us in any of our offices across the UK. This is an exciting opportunity to get involved in a wide variety of projects, across various technical disciplines with clients across country. These projects can include Energy from Waste, Solar, Interconnectors, Windfarms, Substations, OHL, energy building design, protection systems, connections schemes, etc. You would be joining a growing and collaborative team, working in partnership with a variety of clients to...

Job Description An engineer in the builders work in connection (BWIC) team at HS2 Old Oak Common Station for work package 23 design and build of MEPHFC works. This will be for Anthro Joint Venture (VVB Engineering and Egis). Working in the Anthro design office, London, 3 days week, and attending site meetings at Old Oak Common where required. You will be responsible for an area of work in the production, checking and coordination of BWIC works. As an engineer you will work under the direction of a senior member for the BWIC, coordinating with our MEPHFC designers, client BBVS, and third-party work packages. With support you will use your knowledge and skills to deliver the right quality to time and budget. This will include: Coordination and agreement of building services opening positions with our CREs/Lead Engineers, and third parties Agreement of BWIC with respect to fire stopping solution, led by our Fire Engineer Management of a coordinated federated model, with...

About the Role To help support Amentum’s worldwide $14B F25 forward looking workload and our portfolio of complex and exciting geotechnical projects within the Defence, Nuclear Power, Environment and Government-Owned Critical Infrastructure industries, we are now looking to grow our Ground Engineering capabilities within the UK and are seeking to recruit Geotechnical Design Engineers at a range of experience levels including: Geotechnical Design Engineer Senior Geotechnical Design Engineer (Chartered or approaching). Principal Geotechnical Design Engineer (Chartered). Associate director Geotechnical Design Engineer (Chartered) We are operating under flexible working arrangements, with a mixture of office-based and home working environments. Bristol office would be the preferred base-office, although other offices, such as Oxford, Reading, London or Glasgow etc can also be considered. As a Ground Engineering Professional within Amentum, you will play a critical role in...

82140- Junior Civil Design Engineer This Junior Civil Design Engineer will report to the Principal Civil Design Engineer and will work within UKPN Services based in our London, Elephant and Castle office. You will be a permanent employee. You will attract a salary of £54,166, Inner London Allowance and a bonus of 3%. This role can also offer blended working after probationary period (6 months) - 3 days in the office and 2 remote Close Date: 04/03/2026 We also provide the following additional benefits 25 Days Annual Leave plus bank holidays.Private Medical CoverReservist Leave – Additional 18 days full pay and 22 unpaidPersonal Pension Plan – Personal contribution rates of 4% or 5% (UK Power Networks will make a corresponding contribution of 8% or 10%)Tenancy Loan Deposit Scheme, Season Ticket LoanTax efficient benefits: Cycle to Work, Home & Tech, and Green Car Leasing SchemesOccupational Health supportSwitched On – scheme providing discount on hundreds of...

Are you an experienced HV Cable Design Engineer looking for exciting new challenges? Enter our talent pool for future opportunities! The transmission and distribution sector is rapidly transforming against a backdrop of growing demand, regulatory changes, ambitious carbon reduction targets and new innovations in technology. Due to continued growth, we are open to speaking with experienced HV Cable Design Engineers for future opportunities. We are open to exploring future opportunities in line with our growth across ideally Principal/Senior Engineer levels in our Energy Team. This team presents an exciting opportunity to get involved in a wide variety of projects, across various technical disciplines with clients across country. These projects can include HVDC, interconnectors, windfarms, substations, OHL, geotechnical solutions, building design, protection systems, LVAC, FEED, new builds, refurbishment works, connections schemes etc. The role is to work as part of the Cable...