259 senior principal mechanical design engineer jobs found

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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,...

Senior / Principal Electrical Design Engineer – Building Services Location: Southampton | Hybrid Working | Full-Time Salary: Highly Competitive + Bonus + Excellent Benefits About the Role We are seeking a Senior / Principal Electrical Design Engineer to join a respected and growing M&E consultancy in Southampton. This is a hands-on, leadership-focused role, ideal for an engineer ready to take ownership of complex building services projects across healthcare, education, research, commercial, and industrial sectors. As a Senior / Principal Electrical Design Engineer , you’ll oversee technical delivery, mentor junior engineers, and engage directly with clients, ensuring sustainable, low-carbon electrical solutions are delivered to the highest standards. Key Responsibilities Lead electrical design packages on medium to large-scale projects, from concept through to construction and handover Oversee technical quality and compliance with UK regulations, BS 7671, and...

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...

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...

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...

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...

Role purpose Are you a Mechanical Design Engineer with a background in the water and wastewater sector? Due to continued success building on our existing framework agreements and a confident growth plan in AMP 8 and AMP 9, across all 10 major water and wastewater companies in England and Wales, we’re seeking a confident, innovative professional to lead the design and delivery of complex infrastructure projects. Join our dynamic and growing team as a Mechanical Design Engineer with a passion for engineering sustainable assets which our valued customers are proud to own and operate. Role is available in our Midsomer Norton Office (Head Office), or Newport office or our Swansea office. In this role, you’ll have the opportunity to work on a diverse range of challenging projects, from innovative treatment systems to infrastructure upgrades, all while collaborating with a supportive, forward-thinking team of 40+ engineers.  Your expertise will shape sustainable engineering...

Company Description Join the world of the future in a fast-growing international company! At SEGULA Technologies you will have the opportunity to work on exciting projects and help shaping the future within an engineering company which is at the heart of innovation. SEGULA Technologies serves Clients in the automotive, energy and rail sectors in the UK. We focus on design, construction, installation, commissioning, operation, maintenance, decommissioning and dismantling also covering logistics and documentation. Job Description We have an immediate need for a Mechanical Design Engineer with experience using CATIA V5 & Windchill. Role details as follows: 1. Job purpose To develop innovative mechanical design solutions, to current and future aerospace industry challenges, on existing and next generation smart motor and power generation technologies.To lead and deliver project based engineering work-package activities, by ensuring mature and robust mechanical...