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131 mechanical design engineer jobs found in London

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RPS Group
Dec 14, 2025
Senior Mechanical Design Engineer (Water)
RPS Group London, UK
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...
RPS Group
Dec 14, 2025
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...
Alexander Associates Limited
Dec 14, 2025
Mechanical Design Engineer
Alexander Associates Limited London, UK
Mechanical Design Engineer Location:  London area Employment Type: Permanent Hybrid Working: Office and flexible working as required Are you a talented Mechanical Design Engineer looking to develop your career within the water and utilities sector? We are supporting a leading engineering contractor as they continue to strengthen their design and delivery capability across major regional infrastructure programmes. This is an excellent opportunity to work on technically challenging and high-impact schemes, contributing to the development of essential water and wastewater assets across greater London. Role Overview: Produce and develop mechanical designs from concept through to detailed design, ensuring compliance with project specifications and industry standards. Prepare technical documents, calculations, schedules, and design reports. Work closely with civil, electrical, and process engineering disciplines to deliver fully coordinated designs....
Alten
Dec 14, 2025
Senior Mechanical Design Engineer
Alten London, UK
Job Description What will you be doing?  We are looking for a Senior Mechanical Design Engineer to take a leading role in the development of innovative mechanical solutions for R&D and R&T programmes. You will ensure designs are technically robust, meet customer requirements and align with key business objectives. Key responsibilities: Lead the definition and delivery of mechanical design solutions for new product development Review and approve design work produced by Product Engineers across the team Support or own one or more Engineering Work Packages for mechanical design activities Provide technical supervision to a multidisciplinary team including Stress & Thermal, Supply Chain, Industrialisation, V&V, Configuration and Quality Act as the technical reporting point for Product Engineers within allocated work packages Ensure solutions meet Design for Manufacture/Assembly and Design to Cost requirements Contribute to continuous...
SA
Dec 14, 2025
Senior Mechanical Design Engineer
SAVA London, UK
About Sava All the health information we need is within us. Just below the skin. SAVA is redefining the way people interact with their health by developing the most advanced biosensing technology science has to offer, capable of accessing bodily information in a painless, real-time and affordable way. The Role At Sava, we are looking for a Senior Mechanical Design Engineer to join our multi-disciplinary team to develop a next-generation biosensing device. In this role, you will contribute significantly to the mechanical design of our product. You will work closely with a diverse team of engineers and scientists across all stages of development, from R&D to scale production. We value people who are keen to continuously learn, adapt and contribute to both product development and team growth. The ideal candidate is highly motivated and driven, with a strong desire to grow and advance within our rapidly growing company.  What You’ll Do Support mechanical design...
AtkinsRéalis
Dec 14, 2025
Senior / Principal Mechanical Design Engineer
AtkinsRéalis Epsom, 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...
AtkinsRéalis
Dec 14, 2025
Mechanical Design Engineer – Nuclear
AtkinsRéalis Epsom, 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...
Premier Recruitment Group
Dec 14, 2025
Mechanical Design Engineer
Premier Recruitment Group Dartford, UK
Mechanical Design Engineer Dartford Area | Full-Time | Permanent | £32,000-£38,000 DOE + Benefits A precision engineering company in the Dartford area is looking for a Mechanical Design Engineer to join their busy design team. This is an excellent opportunity for someone with mechanical engineering knowledge who wants to develop their skills in a supportive environment. The Role: * Work on detailed designs and manufacturing drawings * Modify and up-issue existing drawings * Compile design documentation and create BOMs * Liaise with internal teams and occasionally visit sites * Support and learn alongside an experienced design engineer * Attend project meetings and provide technical input * Conduct feasibility studies and suggest design improvements * Ensure designs comply with industry standards and safety regulations * Collaborate with manufacturing to optimise processes and reduce costs * Review prototypes and provide feedback for production...
Oxford Instruments
Dec 14, 2025
Senior Mechanical Design Engineer
Oxford Instruments High Wycombe, UK
Materials Analysis is an Oxford Instruments Business Unit that manages our Electron Microscopy and Mechanical Microscopy products, Atomic Force Microscopes, Raman Microscopes and Benchtop NMR Products. We are part of the wider Oxford Instruments Group that also includes Andor Technology, NanoScience, Plasma Technology and X-Ray Technology. With a sixty-year history, and fourteen Queen’s Awards for Enterprise, our world-class products and technologies are helping our customers to address the greatest challenges of the 21st century. We are looking for a  Senior Mechanical Design Engineer  to join our Product Development team. This role is ideal if… You are a Senior Mechanical Design Engineer whose main purpose is the mechanical design and detailing of high precision new parts, sub-assemblies You are proficient at leading the mechanical design of new products, sub-systems, assemblies, and customer solutions. You are comfortable with having the authority to work independently...
QinetiQ
Dec 14, 2025
Mechanical Design Engineer
QinetiQ Farnborough, UK
The Role As a Mechanical Design Engineer, you will have an exciting opportunity to make a tangible difference to the UK’s Defence and Security interests. You will be part of a large design community, working across multiple domains and a diverse set of projects, alongside our colleagues, you will have the opportunity to research, innovate, integrate, assure and deploy our products and services. It’s not unusual to find people at QinetiQ who have worked on everything from Submarines operating in the depths of our Oceans, to Spacecraft destined heading into outer Space. Day-to-day, as a member of the Farnborough Design team, you will work both independently, and collaboratively with other designers, depending on the size and complexity of the project, this could be on-site or remotely across our UK and Global sites. You’ll be supported by a Design Team Lead, who will provide direction, and ensure we have a consistent approach to the design, delivery as well as necessary skills and...
Pertemps TM
Dec 14, 2025
Senior Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Senior Mechanical Design Engineer - Building Services Location: London (Hybrid Working) Salary: £45,000 - £65,000+ (DOE) A well-established employee-owned Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their London team. The consultancy has a long-standing reputation for delivering sustainable, technically excellent solutions across commercial, mixed-use, retail and industrial projects. The Role As a Senior Mechanical Design Engineer, you will lead mechanical design projects from concept to completion, taking ownership while working closely with clients, architects and project teams. Key responsibilities include: Producing calculations, specifications, drawings and tender documentation Leading projects and representing the consultancy in client and design team meetings Conducting site visits, surveys and inspections Coordinating with other disciplines and reviewing contractor designs and value engineering proposals Supporting...
Pertemps TM
Dec 14, 2025
Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Mechanical Design Engineer (Building Services) Location: South London area Salary: £35,000 to £50,000 (depending on experience) Experience Required: Minimum 3 to 4 years Contract Type: Full-time, Permanent About the Company This is an award-winning and well-established practice of low carbon consulting engineers who specialise in mechanical, electrical and public health systems for the built environment. Founded in over 20 years ago, the company has developed a strong reputation for delivering high quality, sustainable and technically rigorous engineering solutions. Their leadership team brings experience gained from major international consultancies, which supports the firm in maintaining consistently high standards of design and technical excellence. They hold Low Carbon Consultant and Low Carbon Energy Assessor certifications and regularly appear among the top engineering consultancies in the UK. Most engineers within the practice are Chartered, and the...
Pertemps TM
Dec 14, 2025
Senior Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Senior Mechanical Design Engineer - Building Services Location: London (Hybrid Working) Salary: £45,000 - £65,000+ (DOE) A well-established employee-owned Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their London team. The consultancy has a long-standing reputation for delivering sustainable, technically excellent solutions across commercial, mixed-use, retail and industrial projects. The Role As a Senior Mechanical Design Engineer, you will lead mechanical design projects from concept to completion, taking ownership while working closely with clients, architects and project teams. Key responsibilities include: Producing calculations, specifications, drawings and tender documentation Leading projects and representing the consultancy in client and design team meetings Conducting site visits, surveys and inspections Coordinating with other disciplines and reviewing contractor designs and value engineering proposals Supporting...
Pertemps TM
Dec 14, 2025
Senior Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Senior Mechanical Design Engineer - Building Services Location: London (Hybrid Working) Salary: £45,000 - £65,000+ (DOE) A well-established employee-owned Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their London team. The consultancy has a long-standing reputation for delivering sustainable, technically excellent solutions across commercial, mixed-use, retail and industrial projects. The Role As a Senior Mechanical Design Engineer, you will lead mechanical design projects from concept to completion, taking ownership while working closely with clients, architects and project teams. Key responsibilities include: Producing calculations, specifications, drawings and tender documentation Leading projects and representing the consultancy in client and design team meetings Conducting site visits, surveys and inspections Coordinating with other disciplines and reviewing contractor designs and value engineering proposals Supporting...
Pertemps TM
Dec 14, 2025
Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Mechanical Design Engineer (Building Services) Location: South London area Salary: £35,000 to £50,000 (depending on experience) Experience Required: Minimum 3 to 4 years Contract Type: Full-time, Permanent About the Company This is an award-winning and well-established practice of low carbon consulting engineers who specialise in mechanical, electrical and public health systems for the built environment. Founded in over 20 years ago, the company has developed a strong reputation for delivering high quality, sustainable and technically rigorous engineering solutions. Their leadership team brings experience gained from major international consultancies, which supports the firm in maintaining consistently high standards of design and technical excellence. They hold Low Carbon Consultant and Low Carbon Energy Assessor certifications and regularly appear among the top engineering consultancies in the UK. Most engineers within the practice are Chartered, and the...
Glanua
Dec 14, 2025
Mechanical Design Engineer
Glanua Reading, UK
Mechanical Design Engineer - (Wastewater Treatment Projects) About Glanua 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 and Affinity Water.  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, Innovation, Integrity, Collaboration,...
Pertemps TM
Dec 14, 2025
Senior Mechanical Design Engineer
Pertemps TM West Sussex, UK
Senior Mechanical Design Engineer – Building Services Location: Sussex (Hybrid Working) Salary: Circa £45,000 - £55,000 Type: Permanent A highly regarded Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their Sussex-based team. This consultancy delivers technically excellent and sustainable solutions for a wide range of projects including commercial, residential, mission-critical, hotels and more. The Role You will take a lead role in designing, managing and supervising mechanical building services projects, from concept through to completion. Working on a variety of sectors including data centres, high-rise residential, hotels and commercial developments, you will have the opportunity to work across complex, high-profile projects with real technical challenges. Key responsibilities include: Leading projects and coordinating with multi-disciplinary teams Preparing detailed designs, specifications, reports and drawings...
Pertemps TM
Dec 14, 2025
Senior Mechanical Design Engineer
Pertemps TM West Sussex, UK
Senior Mechanical Design Engineer – Building Services Location: Sussex (Hybrid Working) Salary: Circa £45,000 - £55,000 Type: Permanent A highly regarded Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their Sussex-based team. This consultancy delivers technically excellent and sustainable solutions for a wide range of projects including commercial, residential, mission-critical, hotels and more. The Role You will take a lead role in designing, managing and supervising mechanical building services projects, from concept through to completion. Working on a variety of sectors including data centres, high-rise residential, hotels and commercial developments, you will have the opportunity to work across complex, high-profile projects with real technical challenges. Key responsibilities include: Leading projects and coordinating with multi-disciplinary teams Preparing detailed designs, specifications, reports and drawings...
Pertemps TM
Dec 14, 2025
Senior Mechanical Design Engineer
Pertemps TM West Sussex, UK
Senior Mechanical Design Engineer – Building Services Location: Sussex (Hybrid Working) Salary: Circa £45,000 - £55,000 Type: Permanent A highly regarded Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their Sussex-based team. This consultancy delivers technically excellent and sustainable solutions for a wide range of projects including commercial, residential, mission-critical, hotels and more. The Role You will take a lead role in designing, managing and supervising mechanical building services projects, from concept through to completion. Working on a variety of sectors including data centres, high-rise residential, hotels and commercial developments, you will have the opportunity to work across complex, high-profile projects with real technical challenges. Key responsibilities include: Leading projects and coordinating with multi-disciplinary teams Preparing detailed designs, specifications, reports and drawings...
Resourcing Global Solutions
Dec 14, 2025
Mechanical Design Engineer
Resourcing Global Solutions Bedford, UK
Mechanical Design Engineer – Machinery & Automation £45,000 – £50,000 + Benefits Location: Bedfordshire (Site-Based Role) Are you a hands-on Mechanical Design Engineer with strong SolidWorks or Inventor skills and experience designing automated machinery? Join a growing manufacturer where you’ll design, develop, and refine special-purpose equipment used across the packaging and processing sector. The Role You’ll work within a collaborative design team delivering end-to-end mechanical design for bespoke filling and packaging machinery. This is a practical, varied role perfect for someone with a systems mindset and a passion for building robust, efficient machines. What You’ll Be Doing Designing machinery, assemblies, and components using SolidWorks or Autodesk Inventor Applying a systems engineering approach to integrate mechanical, electrical, pneumatic and automated elements Producing accurate 3D models, 2D manufacturing drawings, BOMs...
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