223 senior or principal mechanical design engineer jobs found

We are looking for a Senior or Principal Mechanical Engineer to join our dynamic and growing Building Services (MEP) team in Plymouth. Our team is lively, supportive, and enjoys working together while delivering exceptional work. This is a fantastic opportunity to join a friendly team that's not just passionate about engineering but also about creating a positive and collaborative work environment. We value diversity of thought and encourage innovative ideas from every perspective. We have built our pipeline of work to span a diverse range of sectors, from healthcare and education, to commercial, residential and industrial, providing variety that keeps us interested and constantly learning and evolving. We pride ourselves on a collaborative, proactive approach, working closely with clients to deliver award-winning and sustainable environments. Our MEP team is at the forefront of sustainable and high-performance building design and we have a strong track record of...

We are looking for a Senior or Principal Mechanical Engineer to join our dynamic and growing Building Services (MEP) team in Plymouth. Our team is lively, supportive, and enjoys working together while delivering exceptional work. This is a fantastic opportunity to join a friendly team that's not just passionate about engineering but also about creating a positive and collaborative work environment. We value diversity of thought and encourage innovative ideas from every perspective. We have built our pipeline of work to span a diverse range of sectors, from healthcare and education, to commercial, residential and industrial, providing variety that keeps us interested and constantly learning and evolving. We pride ourselves on a collaborative, proactive approach, working closely with clients to deliver award-winning and sustainable environments. Our MEP team is at the forefront of sustainable and high-performance building design and we have a strong track record of...

We are looking for a Senior or Principal Mechanical Engineer to join our dynamic and growing Building Services (MEP) team in Plymouth. Our team is lively, supportive, and enjoys working together while delivering exceptional work. This is a fantastic opportunity to join a friendly team that's not just passionate about engineering but also about creating a positive and collaborative work environment. We value diversity of thought and encourage innovative ideas from every perspective. We have built our pipeline of work to span a diverse range of sectors, from healthcare and education, to commercial, residential and industrial, providing variety that keeps us interested and constantly learning and evolving. We pride ourselves on a collaborative, proactive approach, working closely with clients to deliver award-winning and sustainable environments. Our MEP team is at the forefront of sustainable and high-performance building design and we have a strong track record of...

We are looking for a Senior or Principal Mechanical Engineer to join our dynamic and growing Building Services (MEP) team in Plymouth. Our team is lively, supportive, and enjoys working together while delivering exceptional work. This is a fantastic opportunity to join a friendly team that's not just passionate about engineering but also about creating a positive and collaborative work environment. We value diversity of thought and encourage innovative ideas from every perspective. We have built our pipeline of work to span a diverse range of sectors, from healthcare and education, to commercial, residential and industrial, providing variety that keeps us interested and constantly learning and evolving. We pride ourselves on a collaborative, proactive approach, working closely with clients to deliver award-winning and sustainable environments. Our MEP team is at the forefront of sustainable and high-performance building design and we have a strong track record of...

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...

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...

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...

Overview Stirling Dynamics is recruiting Principal and Senior Electronics Hardware Design Engineer to join the Software & Electronic Hardware team. Due to recent contract wins and supporting continued growth, Stirling Dynamics are looking for a talented and experienced electronics design engineer to join our team to work with us delivering complex electronic based solution for electro-mechanical products, projects, and services to the world's leading Aerospace & Defence companies. This role is to fill a position in the dynamic multi discipline team developing electro-mechanical based systems for Electric Vertical Take Off and Landing Aircraft (EVTOL). This role will be based in our Bristol office with occasional travel to our clients’ sites as required however as part of our commitment to flexible working, employees are able to work a hybrid working model. Responsibilities The successful candidate will be responsible for producing...

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 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...

Job Title: Principal Design Engineer – Mechanical Location: Oxford, Huntingdon or Derby Salary: Up to £65,000 (Negotiable) Shift Type: Full Time – 36.25 hours per week (Agile Working) Benefits: Enhanced annual leave (buy/sell), enhanced family pay, EAP, EV scheme, cycle to work, referral bonus, structured career progression The Opportunity A leading Building Services consultancy is seeking a Principal Design Engineer – Mechanical to join its growing team across Oxford, Huntingdon or Derby. This organisation delivers technically complex and sustainability-led projects across healthcare, education, residential, commercial, pharmaceutical, industrial and public sector schemes. With a strong focus on net-zero carbon and innovative design methodologies, the business has established itself as a respected name within the built environment sector. The Role As Principal Mechanical Engineer, you will play a key leadership role within the team, taking...

Job Title: Principal Design Engineer – Mechanical Location: Oxford, Huntingdon or Derby Salary: Up to £65,000 (Negotiable) Shift Type: Full Time – 36.25 hours per week (Agile Working) Benefits: Enhanced annual leave (buy/sell), enhanced family pay, EAP, EV scheme, cycle to work, referral bonus, structured career progression The Opportunity A leading Building Services consultancy is seeking a Principal Design Engineer – Mechanical to join its growing team across Oxford, Huntingdon or Derby. This organisation delivers technically complex and sustainability-led projects across healthcare, education, residential, commercial, pharmaceutical, industrial and public sector schemes. With a strong focus on net-zero carbon and innovative design methodologies, the business has established itself as a respected name within the built environment sector. The Role As Principal Mechanical Engineer, you will play a key leadership role within the team, taking...

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...

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...

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...

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...

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....

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...

Lead 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,...

Job Title: Principal Design Engineer – Mechanical Location: Oxford, Huntingdon or Derby Salary: Up to £65,000 (Negotiable) Shift Type: Full Time – 36.25 hours per week (Agile Working) Benefits: Enhanced annual leave (buy/sell), enhanced family pay, EAP, EV scheme, cycle to work, referral bonus, structured career progression The Opportunity A leading Building Services consultancy is seeking a Principal Design Engineer – Mechanical to join its growing team across Oxford, Huntingdon or Derby. This organisation delivers technically complex and sustainability-led projects across healthcare, education, residential, commercial, pharmaceutical, industrial and public sector schemes. With a strong focus on net-zero carbon and innovative design methodologies, the business has established itself as a respected name within the built environment sector. The Role As Principal Mechanical Engineer, you will play a key leadership role within the team, taking...