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151 mechanical design engineer jobs found in London

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RPS Group
Nov 09, 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...
Belcan
Nov 09, 2025
Mechanical Design Engineer
Belcan London, UK
Job Title: Design Engineer - Test Rig Employment Type: 6 months Contract Outside IR35 contract Location: Whetstone -Leicester Industry: Aerospace Our client is a global leader in the design, development, manufacture, and servicing of aero components in both the commercial aviation and defence industries. With a strong commitment to engineering excellence and sustainability, they are seeking a skilled Design Engineer on Gas Turbine Test Rigs to join their team in Whetstone on 6 months contract role good prospects to extend. Looking for a Design Engineer to work at our Whetstone site (Initially 5 days in the office, then 3 days in the office, 2 days at home).Mechanical Design engineer will have good experience in Aerospace or similar industry.Candidates would need to be competent in NX (Modelling, Assemblies and Drawing) and Teamcentre with good a good knowledge of mechanical engineering.The work is on experimental test rigs. If you feel you have the experience and...
RPS Group
Nov 09, 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...
EQUANS
Nov 09, 2025
Junior Mechanical Design Engineer
EQUANS London, UK
Equans is a renowned energies & services contractor and a proud member of the Bouygues global industrial group. Our expertise spans the design, construction, and maintenance of buildings and critical infrastructure worldwide. We have an exciting new opportunity for an  Junior Mechanical Design Engineer  interested in decarbonisation projects to join our Carbon Shift business unit. Our Carbon Shift consulting business is focussed on the delivery of realisable climate action and net zero plans and is supported by delivery capability in heat decarbonisation, regeneration, Facilities Management, Project delivery, EVs, smart buildings and renewables. Carbon Shift has developed a strong expertise and client base around net zero and energy transition and is now moving expand this offer into offering solutions to the broader climate adaptation and resilience challenge. Key activities The Junior Mechanical Design Engineer will support the development of renewable heat and...
Blueprint Recruitment Solutions
Nov 09, 2025
Mechanical Design Engineer
Blueprint Recruitment Solutions City of London, London, UK
Blueprint Recruitment have a new and exciting opportunity on offer for a skilled Mechanical Design Engineer to join a well-established engineering consultancy, on a contract basis, outside IR35 . Within this role, you will be required to work on a hybrid basis from our client's London office, 3 days a week . The successful candidate will have the opportunity to work on a variety of Residential and Healthcare projects, stage 4-5. - Competitive hourly rate of £40-£45 (depending on experience). - Hybrid working arrangements. Responsibilities: -Create concise drawings, specifications, layouts, and calculations, for complex mechanical systems. -Coordinate with other professionals (architects and engineers) to ensure the controlled implementation of mechanical systems. -Support the implementation of drawings, as-built documentation, commissioning, and submittals, within the construction stage. -Assess, and provide strategic solutions for, design risks to ensure...
AtkinsRéalis
Nov 09, 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...
AtkinsRéalis
Nov 09, 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...
Premier Recruitment Group
Nov 09, 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...
Capgemini Engineering
Nov 09, 2025
Mechanical Design Engineer - Portsmouth
Capgemini Engineering Woking, UK
At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same. Your role Are you a forward-thinking mechanical design engineer with a proven track record of bridging technical expertise and strategic consulting? We are seeking an exceptional professional who can redefine how organizations engineer and accelerate product development through cutting-edge digital tools and methodologies. At the intersection of advanced engineering and transformative consulting, we're looking for a dynamic professional who can translate complex technical...
Yolk Recruitment Ltd
Nov 09, 2025
Mechanical Design Engineer
Yolk Recruitment Ltd Stevenage, UK
MERITUS Talent are working with one of Europe's leading defence systems manufacturers for the recruitment of a Mechanical Design Engineer to join their Stevenage office on a 12 Month contract basis. The rate on offer is £50 per hour INSIDE IR35, and requires the candidate to be onsite full-time. Before starting the role, the candidate must undergo and attain SC security clearance. A leading defence engineering organisation is seeking a Mechanical Design Engineer to join their team in Stevenage. In this role, you'll be working on the mechanical design of complex systems, contributing to high-profile defence projects within a multi-disciplinary engineering environment. What you'll be doing: Creating and developing 3D designs of components and assemblies using Creo Supporting the transition from design to manufacturing, resolving technical queries as needed Assisting in functional and environmental testing to ensure designs meet performance requirements...
Oxford Instruments
Nov 09, 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...
Oxford Instruments Plc
Nov 09, 2025
Senior Mechanical Design Engineer
Oxford Instruments Plc 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...
Orion Electrotech
Nov 09, 2025
Senior Mechanical Design Engineer
Orion Electrotech Marlow SL7, UK
Senior Mechanical Design Engineer A Buckinghamshire-based Engineering firm that pioneers the Defence and Avionics industry are on the hunt for its next Senior Mechanical Design Engineer. With over 75 years in the industry of innovative design and complex systems, the business is looking to further expand their growing RD team! If you are an experienced Engineer (5 Years) who either has exposure to a Senior position or is looking for their next step up in their career, then we want to hear from you! Responsibilities of the Senior Mechanical Design Engineer:   Lead Mechanical Design of New Product Development (Full product Life-cycle) Produced Detailed Designs using 3D CAD (Ideally SolidWorks but open to other CAD packages) Concept Generation Produce Documentation to support Development Continuous Improvement of Processes and Tools Approving Engineering Drawings   Skills and Requirements of the Senior Mechanical Design Engineer: Mechanical Engineer...
JT
Nov 09, 2025
Mechanical Design Engineer – HVAC & Building Services
J&T Business Consulting Chelmsford, UK
Job Description Job Description: Mechanical Design Engineer – HVAC & Building Services Location:   Chelmsford, CM2 5LB Salary:   £45,000 – £65,000 per annum (depending on experience) Job Type:   Full-time, Permanent About the Role An exciting opportunity has arisen for an experienced   Mechanical Building Services Design Engineer   to join a long-established and respected mechanical services firm. The company specialises in the design and installation of   HVAC and plumbing systems   for a diverse range of projects across Essex and surrounding counties, including   commercial, healthcare, and education sectors . This role is ideal for a motivated engineer who enjoys working collaboratively in a dynamic and technically driven environment, delivering innovative mechanical design solutions from concept to completion. Key Responsibilities Lead and contribute to the design and delivery of   mechanical and HVAC systems   for various...
JT
Nov 09, 2025
Mechanical Design Engineer – HVAC & Building Services
J&T Business Consulting Chelmsford, UK
Job Description: Mechanical Design Engineer – HVAC & Building Services Location:   Chelmsford, CM2 5LB Salary:   £45,000 – £65,000 per annum (depending on experience) Job Type:   Full-time, Permanent About the Role An exciting opportunity has arisen for an experienced   Mechanical Building Services Design Engineer   to join a long-established and respected mechanical services firm. The company specialises in the design and installation of   HVAC and plumbing systems   for a diverse range of projects across Essex and surrounding counties, including   commercial, healthcare, and education sectors . This role is ideal for a motivated engineer who enjoys working collaboratively in a dynamic and technically driven environment, delivering innovative mechanical design solutions from concept to completion. Key Responsibilities Lead and contribute to the design and delivery of   mechanical and HVAC systems   for various projects. Prepare...
JT
Nov 09, 2025
Mechanical Design Engineer – HVAC & Building Services
J&T Business Consulting Chelmsford, UK
Job Description Job Description: Mechanical Design Engineer – HVAC & Building Services Location:   Chelmsford, CM2 5LB Salary:   £45,000 – £65,000 per annum (depending on experience) Job Type:   Full-time, Permanent About the Role An exciting opportunity has arisen for an experienced   Mechanical Building Services Design Engineer   to join a long-established and respected mechanical services firm. The company specialises in the design and installation of   HVAC and plumbing systems   for a diverse range of projects across Essex and surrounding counties, including   commercial, healthcare, and education sectors . This role is ideal for a motivated engineer who enjoys working collaboratively in a dynamic and technically driven environment, delivering innovative mechanical design solutions from concept to completion. Key Responsibilities Lead and contribute to the design and delivery of   mechanical and HVAC systems   for various...
QinetiQ
Nov 09, 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...
Bridges Electrical Engineers
Nov 09, 2025
Junior Mechanical Design Engineer
Bridges Electrical Engineers Maidstone, UK
Role purpose Kick-start or further your career with a team that values growth, collaboration, and real-world impact. 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 waste water companies in England and Wales, we’re seeking a confident, innovative professional to develop your skills on exciting and meaningful projects supporting the design and delivery of complex infrastructure projects. Join our dynamic and growing team as a Junior Mechanical Design Engineer with a passion for engineering sustainable assets that our valued customers are proud to own and operate. In this role, you’ll have the opportunity to work alongside experienced engineers on a diverse range of challenging projects, from innovative treatment systems to infrastructure upgrades. You'll also be supported by and collaborate with a supportive, forward-thinking team of 40+ engineers.   If you're motivated,...
Bridges Electrical Engineers
Nov 09, 2025
Senior Mechanical Design Engineer
Bridges Electrical Engineers Maidstone, UK
Role purpose Are you a seasoned Mechanical Design Engineer with a strong 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 Senior Mechanical Design Engineer with a passion for engineering sustainable assets which our valued customers are proud to own and operate. 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 solutions, mentor junior staff, and influence key project decisions. If you’re ready to...
Pertemps TM
Nov 09, 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...
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