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378 principle mechanical design engineer jobs found

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RPS Group
Jan 23, 2026
Electrical Design Engineers (Building Services)
RPS Group Birmingham, UK
Electrical Design Engineers (Building Services) RPS is currently seeking  Electrical Design Engineers (Building Services)  to join either the team in our  Manchester, Leeds, Birmingham or Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers through inspired engineering, architecture and...
Glanua
Jan 23, 2026
Principle Electrical Design Engineer
Glanua Reading, UK
Principle Electrical Design Engineer - (Wastewater Treatment Projects) About Us: Glanua is an industry leader in providing innovative and sustainable engineering solutions to design, build, operate and maintain critical water and wastewater infrastructure across Ireland and the UK. We are a trusted provider to the municipal and industrial sector where our clients include Ireland and the UK's largest water utilities, Uisce Eireann (formally Irish Water), Thames Water, Yorkshire Water Affinity Water, Northumbrian Water and United Utilities. Glanua is passionate about solving today's environmental challenges and delivering a decarbonised and sustainable world. We know that to build successful creative teams we need a diverse workforce that can deliver new innovative ways of thinking. We provide an environment where you will have the freedom to develop and grow to your full potential. We champion our core values and uphold the highest standards of Safety and Well-being,...
RPS Group
Jan 23, 2026
Senior Mechanical Design Engineer (Building Services)
RPS Group Birmingham, UK
Senior Mechanical Design Engineer (Building Services) RPS is currently seeking a  Senior Mechanical Engineer  to join the Team in  Birmingham . About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers through inspired engineering, architecture and development services. What you’ll be doing This is an exciting role for an individual looking...
RPS Group
Jan 23, 2026
Senior Electrical Design Engineers (Building Services)
RPS Group Leeds, UK
Senior / Principal Electrical Design Engineers (Building Services) RPS is currently seeking  Senior  or a  Principal level Electrical Design Engineer  (Building Services) to join either the team in our  Manchester, Leeds, Birmingham  or  Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers...
Dyson
Jan 23, 2026
Service Design Engineer
Dyson
About us The Service Design Team has the opportunity of early engagement within product development and therefore to directly impact the experience of customers regarding the effectiveness of the Dyson Service Proposition. We have a responsibility across all product categories, to include: haircare, environmental and floor care products. We have the ability to directly impact on the experience of customers and their journeys when contacting Dyson in need for help. About the role The scope of the role is to ensure that early proposed and agreed Serviceability priciples of product design are adhered to by controlling architecture changes and assembly integration through milestone process up to design freeze (TS). This role focuses on Design for Serviceability (DFS) and provides key expertise working with Design, Quality and Manufacturing teams , enhancing the serviceability level of Dyson products and providing tangible solutions for our Customer Service and Aftersales...
RPS Group
Jan 23, 2026
Electrical Design Engineers (Building Services)
RPS Group Newcastle upon Tyne, UK
Electrical Design Engineers (Building Services) RPS is currently seeking  Electrical Design Engineers (Building Services)  to join either the team in our  Manchester, Leeds, Birmingham or Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers through inspired engineering, architecture and...
RPS Group
Jan 23, 2026
Electrical Design Engineers (Building Services)
RPS Group Manchester, UK
Electrical Design Engineers (Building Services) RPS is currently seeking  Electrical Design Engineers (Building Services)  to join either the team in our  Manchester, Leeds, Birmingham or Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers through inspired engineering, architecture and...
RPS Group
Jan 23, 2026
Senior Electrical Design Engineers (Building Services)
RPS Group Manchester, UK
Senior / Principal Electrical Design Engineers (Building Services) RPS is currently seeking  Senior  or a  Principal level Electrical Design Engineer  (Building Services) to join either the team in our  Manchester, Leeds, Birmingham  or  Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers...
RPS Group
Jan 23, 2026
Electrical Design Engineers (Building Services)
RPS Group Leeds, UK
Electrical Design Engineers (Building Services) RPS is currently seeking  Electrical Design Engineers (Building Services)  to join either the team in our  Manchester, Leeds, Birmingham or Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers through inspired engineering, architecture and...
RPS Group
Jan 23, 2026
Senior Electrical Design Engineers (Building Services)
RPS Group Newcastle upon Tyne, UK
Senior / Principal Electrical Design Engineers (Building Services) RPS is currently seeking  Senior  or a  Principal level Electrical Design Engineer  (Building Services) to join either the team in our  Manchester, Leeds, Birmingham  or  Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers...
RPS Group
Jan 23, 2026
Senior Electrical Design Engineers (Building Services)
RPS Group Birmingham, UK
Senior / Principal Electrical Design Engineers (Building Services) RPS is currently seeking  Senior  or a  Principal level Electrical Design Engineer  (Building Services) to join either the team in our  Manchester, Leeds, Birmingham  or  Newcastle  office on a  hybrid basis .  About The Design Business: RPS Design Division delivers projects across multiple, niche sectors from residential housing developments, logistics, retail, aviation, healthcare, education, advanced manufacturing, data centres, energy and more as we strive to achieve the right balance between form and function when faced with competing priorities around sustainability, materiality, cost and constructability. Digitalisation is at the core of our delivery model allowing our clients and their stakeholders to really experience our designs right from project concept stage and through drawing on expertise spanning decades, industries and disciplines, we assist clients to harmonise design drivers...
RPS Group
Jan 23, 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...
RPS Group
Jan 23, 2026
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...
Thames Water
Jan 23, 2026
Principal Mechanical Design Engineer
Thames Water Reading, UK
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 engineering standards, and mentoring a talented team of professionals. This is more than a technical role — it’s a strategic opportunity to become the ‘Intelligent Client’ at the heart of our AMP8 ambitions and beyond. Your expertise will be pivotal in delivering sustainable, high-performing assets that make a real difference to communities and the environment. What you’ll be doing as a Principal Mechanical Design Engineer Set precise technical requirements with Project Definition Briefs for strong project foundations. Refine Technical Asset Standards to enhance process efficiency and effectiveness. Uphold engineering standards in Mechanical Engineering to optimise asset performance. Lead the development of...
Pertemps TM
Jan 23, 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
Jan 23, 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...
Pertemps TM
Jan 23, 2026
Senior / Principal Mechanical Design Engineer
Pertemps TM Oxford, UK
Senior to Principal Mechanical Design Engineer | Oxford | Low Carbon Projects, Heritage Refurbishments, Progression Opportunity A well-established, independent building services consultancy in Oxford is looking to strengthen their mechanical team with an experienced Senior or Principal Mechanical Engineer. Known for delivering technically robust, sustainable solutions across heritage, education, healthcare, and infrastructure projects, this team combines mechanical, electrical, lighting, Passivhaus, and building physics expertise under one roof. With a strong pipeline of work and ongoing investment in their people, this is a great opportunity to step into a high-impact role with long-term progression potential. 🛠️ Role Overview: Lead or support mechanical design from RIBA Stage 2 through to handover, including detailed HVAC, hot and cold-water systems, and sustainable design strategies Collaborate with clients, architects, and internal teams to develop low-energy,...
Pertemps TM
Jan 23, 2026
Senior / Principal Mechanical Design Engineer
Pertemps TM Oxford, UK
Senior to Principal Mechanical Design Engineer | Oxford | Low Carbon Projects, Heritage Refurbishments, Progression Opportunity A well-established, independent building services consultancy in Oxford is looking to strengthen their mechanical team with an experienced Senior or Principal Mechanical Engineer. Known for delivering technically robust, sustainable solutions across heritage, education, healthcare, and infrastructure projects, this team combines mechanical, electrical, lighting, Passivhaus, and building physics expertise under one roof. With a strong pipeline of work and ongoing investment in their people, this is a great opportunity to step into a high-impact role with long-term progression potential. 🛠️ Role Overview: Lead or support mechanical design from RIBA Stage 2 through to handover, including detailed HVAC, hot and cold-water systems, and sustainable design strategies Collaborate with clients, architects, and internal teams to develop low-energy,...
Thames Water
Jan 23, 2026
Principal Mechanical Design Engineer
Thames Water Reading, UK
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 engineering standards, and mentoring a talented team of professionals. This is more than a technical role — it’s a strategic opportunity to become the ‘Intelligent Client’ at the heart of our AMP8 ambitions and beyond. Your expertise will be pivotal in delivering sustainable, high-performing assets that make a real difference to communities and the environment. What you’ll be doing as a Principal Mechanical Design Engineer Set precise technical requirements with Project Definition Briefs for strong project foundations. Refine Technical Asset Standards to enhance process efficiency and effectiveness. Uphold engineering standards in Mechanical Engineering to optimise asset performance. Lead the development of...
Pertemps TM
Jan 23, 2026
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...
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