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53 senior mechanical design engineer jobs found in Bristol

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Pertemps TM
Jan 24, 2026
Senior Mechanical Design Engineer
Pertemps TM Cardiff, UK
Senior Mechanical Design Engineer – Building Services Location: Cardiff Salary: Competitive (dependent on experience) Benefits: 25 days holiday + bank holidays, pension, flexible & hybrid working Role Overview We are seeking a Senior Mechanical Design Engineer to join a busy and growing building services consultancy in Cardiff. This is an excellent opportunity to lead mechanical engineering design projects across commercial, residential, healthcare, education, and industrial sectors. As a Senior Mechanical Design Engineer , you’ll have autonomy over your work, manage multi-disciplinary projects, mentor junior engineers, and help shape the technical direction of the business. Key Responsibilities Lead mechanical design and engineering on projects from concept through to completion Prepare and review detailed calculations, specifications, and design documentation Produce high-quality drawings and BIM/Revit models Manage project deliverables including...
Pertemps TM
Jan 24, 2026
Senior Mechanical Design Engineer
Pertemps TM Cardiff, UK
Senior Mechanical Design Engineer – Building Services Location: Cardiff Salary: Competitive (dependent on experience) Benefits: 25 days holiday + bank holidays, pension, flexible & hybrid working Role Overview We are seeking a Senior Mechanical Design Engineer to join a busy and growing building services consultancy in Cardiff. This is an excellent opportunity to lead mechanical engineering design projects across commercial, residential, healthcare, education, and industrial sectors. As a Senior Mechanical Design Engineer , you’ll have autonomy over your work, manage multi-disciplinary projects, mentor junior engineers, and help shape the technical direction of the business. Key Responsibilities Lead mechanical design and engineering on projects from concept through to completion Prepare and review detailed calculations, specifications, and design documentation Produce high-quality drawings and BIM/Revit models Manage project deliverables including...
Pertemps TM
Jan 24, 2026
Senior Mechanical Design Engineer
Pertemps TM Cardiff, UK
Senior Mechanical Design Engineer – Building Services Location: Cardiff Salary: Competitive (dependent on experience) Benefits: 25 days holiday + bank holidays, pension, flexible & hybrid working Role Overview We are seeking a Senior Mechanical Design Engineer to join a busy and growing building services consultancy in Cardiff. This is an excellent opportunity to lead mechanical engineering design projects across commercial, residential, healthcare, education, and industrial sectors. As a Senior Mechanical Design Engineer , you’ll have autonomy over your work, manage multi-disciplinary projects, mentor junior engineers, and help shape the technical direction of the business. Key Responsibilities Lead mechanical design and engineering on projects from concept through to completion Prepare and review detailed calculations, specifications, and design documentation Produce high-quality drawings and BIM/Revit models Manage project deliverables including...
Galliford Try
Jan 24, 2026
Mechanical Senior Design Engineer
Galliford Try Bristol, UK
Note for Recruitment Agencies: We prefer to hire directly and we will be in touch with our PSL Agencies if this role is eligible for release. We do not accept speculative CVs from agencies. If speculative CVs are sent, no fee will be applicable – please direct all queries to the relevant Resourcing Partner. Mechanical Senior Design Engineer - (Water Sector) Can be based anywhere in the UK What you will be doing: As Senior Design Engineer you will be an important member of the Engineering Design Team and will be required to work with the Principal Engineer(s), Design Team, Design Manager(s) and Design Leads to deliver design to the highest quality to GT process and in compliance with the BMS and H&S Regulations. This is a technical role, engaged directly on projects, which requires competency in technical design delivery in the water and wastewater industry. The Senior Design Engineer can have line management responsibility for design engineers and others as...
Pertemps TM
Jan 24, 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...
Pertemps TM
Jan 24, 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...
AtkinsRéalis
Jan 24, 2026
Senior / Principal Mechanical Design Engineer
AtkinsRéalis Bristol, UK
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...
Pertemps TM
Jan 24, 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...
Pertemps TM
Jan 24, 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 TM
Jan 24, 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 TM
Jan 24, 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...
Galliford Try
Jan 24, 2026
Electrical Senior Design Engineer
Galliford Try Bristol, UK
Note for Recruitment Agencies: We prefer to hire directly and we will be in touch with our PSL Agencies if this role is eligible for release. We do not accept speculative CVs from agencies. If speculative CVs are sent, no fee will be applicable – please direct all queries to the relevant Resourcing Partner. Electrical Senior Design Engineer What you will be doing: As Electrical Senior Design Engineer you will be responsible for all activities associated with the production of Electrical Design in compliance with the Business Management Systems (BMS) and CDM regulations, assisting with the wider general Process, Mechanical, Electrical, Instrumentation, Control and Automation (PMEICA) and Civils design production activities, providing technical support to the supply chain procurement activities and supporting site activities as required. You will also assist with the management of Consultants and Sub-contractors design production.  About You: Have the necessary...
Aecom
Jan 24, 2026
Senior Cable System Design Engineer
Aecom Bristol, UK
Job Description Start here. Grow here. We are seeking experienced Senior Cable System Design Engineers to join our growing Transmission & Distribution (T&D) team. Join us and continue to grow your career! You will play a key role in delivering a range of cable system projects across multiple voltage levels, serving clients including Transmission System Operators, Distribution Network Operators, and private developers worldwide. You will get the chance to work on innovative and varied projects throughout the entire lifecycle - from feasibility and concept through to detailed design, installation supervision, and commissioning of onshore infrastructure. This is a fantastic opportunity to contribute to some of the most exciting infrastructure and energy transition projects in the world. Here’s what you will do: Deliver full lifecycle cable engineering packages from feasibility studies and concept design through to detailed design, installation support, and...
AtkinsRéalis
Jan 24, 2026
Mechanical Design Engineer – Nuclear
AtkinsRéalis Bristol, UK
Job Description Are you a Mechanical Design Engineer who thrives on solving difficult engineering problems? Are you drawn to complex projects and excited by the opportunity to rapidly progress into leadership positions, heading up projects and guiding junior engineers? 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 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 being adaptable is a must! The constant in this role is the...
Aecom
Jan 24, 2026
Principal Cable System Design Engineer
Aecom Bristol, UK
Job Description Start here. Grow here. We are seeking a Principal Cable System Design Engineer to join our expanding Transmission & Distribution (T&D) team within AECOM. This is a senior role within the business, with responsibility for driving technical excellence, leading complex projects, and supporting strategic client engagement across a broad portfolio of high-voltage infrastructure schemes. As a Principal Engineer, you will play a critical role in the planning, design, and delivery of cable systems across multiple voltage levels. Our clients include Transmission System Operators, Distribution Network Operators, private developers , and international energy majors across the UK and globally. You will act as a trusted advisor to clients, and contribute to developing our technical standards, innovation strategy, and digital delivery approach within the cable engineering space. This is a fantastic opportunity to be at the forefront of energy transition,...
Stirling Dynamics
Jan 24, 2026
Electronics Hardware Design Engineer
Stirling Dynamics Bristol, UK
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...
Aecom
Jan 24, 2026
Senior Cable System Design Engineer
Aecom Bristol, UK
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 over 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...
Aecom
Jan 24, 2026
Principal Cable System Design Engineer
Aecom Bristol, UK
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...
Pertemps TM
Jan 24, 2026
Electrical Design Engineer
Pertemps TM Bristol, UK
Electrical Design Engineer – Building Services Location: Bristol Salary: Competitive (dependent on experience) Benefits: 25 days holiday + bank holidays, pension, private medical cover, flexible & hybrid working About the Role We are seeking an Electrical Design Engineer to join a dynamic building services consultancy in Bristol, renowned for delivering low-energy, sustainable designs. This role offers the opportunity to work on award-winning projects across education, arts, leisure, commercial, and residential sectors, with a particular emphasis on the conservation and adaptive reuse of historic buildings. As an Electrical Design Engineer , you will take a lead role in designing and specifying electrical systems, ensuring high standards of performance, efficiency, and sustainability. You’ll collaborate with multi-disciplinary teams to deliver fully integrated, environmentally responsible building services solutions. Key Responsibilities Design &...
EC&I Partners Limited
Jan 24, 2026
EC&I Design Engineer
EC&I Partners Limited Bristol, UK
Job Title:  EC&I Design Engineer Job ID: 34716 Location: Bristol Salary: Up to £54k (based on skills, training and competence)  Hours: 40 hours per week - flexible hours . Core hours 10:00am to 4:00pm Contract/Permanent: Permanent Site Based/Office/Remote: This EC&I Design Engineer role is predominantly office based in Bristol and up to 2 days per week WFH Start Date: ASAP Benefits: Up to £54K annual base salary 25 days annual leave + bank/public holidays Employer pension contributions Income protection scheme Free eye testing Access to vocational rehabilitation Wedding vouchers And more! Job Overview: Are you an EC&I Design Engineer ready to help power the UK's net zero future?   Join a pioneering team at the forefront of innovation in the gas and energy sector.  As an EC&I Design Engineer, you'll work on cutting-edge, safety-critical systems that drive sustainable energy solutions across...
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