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Engineer - Mechanical United Kingdom Jobs (On-site work)

91 Job Offers

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Mechanical-Biased Multi-Skilled Engineer
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Seeking a Mechanical-Biased Multi-Skilled Engineer for a flagship commercial head office in Zone 1, London. You will lead PPM and reactive repairs on HVAC, pumps, and AHUs while assisting with minor electrical tasks. Requires Level 2/3 NVQ in Mechanical Engineering and proven experience in high-e...
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United Kingdom , London
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40000.00 - 45000.00 GBP / Year
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Randstad
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New
Senior Principal Mechanical Engineer
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Senior Principal Mechanical Engineer sought to lead the Cooling Water Island team for a groundbreaking Small Modular Reactor (SMR) program in Newcastle upon Tyne. Drive FEED to detailed design, ensure regulatory compliance, and manage multidisciplinary teams. Requires Chartered Engineer (CEng) st...
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United Kingdom , Newcastle upon Tyne
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Not provided
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ASSYSTEM
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New
Mechanical Design Engineer
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Mechanical Design Engineer sought for an R&D role with an innovative Oxfordshire manufacturer. You will drive product development from concept to implementation using 3D CAD. Ideal for a degree-qualified engineer with prototyping and testing experience. Enjoy a competitive salary, private medical...
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United Kingdom , Witney
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Not provided
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PLANET RECRUITMENT SERVICES LTD
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Mechanical Design Engineer
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Mechanical Design Engineer sought for major UK water infrastructure projects within a long-term AMP framework. Based in Hertfordshire, you will produce and review mechanical designs for clean water and wastewater systems, including pumping stations and treatment works. Ideal candidates have water...
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United Kingdom , Hertfordshire
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Not provided
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Ganymede
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Mechanical Shift Engineer
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Join a premier FM team as a Mechanical Shift Engineer at an iconic Liverpool Street landmark. You'll maintain complex HVAC, chillers, and BMS systems within a high-spec corporate environment. Ideal candidates hold City & Guilds/NVQ Level 2/3 in Mechanical Engineering and have critical environment...
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United Kingdom , London
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48500.00 - 50000.00 GBP / Year
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Randstad
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Junior Mechanical Design Engineer
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Junior Mechanical Design Engineer sought for a Cowes-based role. You'll develop mechanical concepts, detailed drawings, and manufacturing instructions using CAD (Solidworks or Autodesk Inventor) and FEA. Ideal candidates have a relevant qualification, strong mechanical principles knowledge, and e...
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United Kingdom , Cowes
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28000.00 GBP / Year
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BES Group
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Mechanical Engineer
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Mechanical Engineer needed in London for a site-based role at One Exchange Square. Working Monday to Friday, 08:00-17:00, with a 1 in 3 callout rota. Benefits include Private Medical Insurance, Season Ticket Loan, Cycle to Work Scheme, and Pension. Email recruitment@jbs-ltd.co.uk for full role de...
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United Kingdom , London
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Not provided
Jaguar Building Services
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Graduate Mechanical Engineer
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Graduate Mechanical Engineer opportunity in Widnes with SARIA, a global leader in sustainable solutions. You will support strategic and operational projects, assisting with design, procurement, and commissioning. Ideal for graduates with a Mechanical Engineering degree and strong analytical skill...
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United Kingdom , Widnes
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Not provided
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360 Resourcing Solutions
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Mechanical Maintenance Engineer
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Seeking a skilled **Mechanical Maintenance Engineer** for a flagship building in the **City of London**. You will perform PPM and reactive tasks on AHUs, FCUs, pumps, and BMS systems. Requires City & Guilds Level 3, 2+ years commercial experience, and client-facing skills. Enjoy 25 days holiday p...
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United Kingdom , City of London
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48000.00 - 50000.00 GBP / Year
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Randstad
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Mechanical Maintenance Engineer
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Mechanical Maintenance Engineer needed for a large static education campus in Stratford, London. This stable, localised role offers a Monday-Friday 8am-5pm shift and a salary of £42,000-£44,000 plus overtime. Key duties include PPMs, reactive repairs, and fault-finding on HVAC systems, AHUs, and ...
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United Kingdom , Stratford (Greater London)
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42000.00 - 44000.00 GBP / Year
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Randstad
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Mechanical Design Engineer
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United Kingdom , Manchester
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500.00 GBP / Day
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Ganymede
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Maintenance Engineer (Mechanical Bias)
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Join Baxter in Thetford as a Maintenance Engineer (Mechanical Bias) and help Save and Sustain Lives. We seek an HNC-qualified engineer with expertise in welding, lathe/milling, and mechanical systems for a regulated manufacturing environment. Enjoy 25 days leave, up to 8% pension, Westfield healt...
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United Kingdom , Thetford
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55166.49 GBP / Year
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Baxter
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Mechanical Engineer LU
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United Kingdom
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300.00 - 320.00 GBP / Day
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Morson Talent
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Mechanical Design Engineer
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United Kingdom , Nottingham
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45000.00 GBP / Year
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Zenovo
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Mechanical Shift Engineer
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Mechanical Shift Engineer role in London’s City, offering £50k–£55k. Join a market-leading FM team on a landmark £150m refurbishment. You will ensure zero downtime across critical HVAC, air source heat pumps, and mechanical plant. Ideal for Level 3 qualified engineers with critical environment ex...
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United Kingdom , City of London
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50000.00 - 55000.00 GBP / Year
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Boden Group
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Commissioning Engineer - Mechanical
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Seeking a skilled **Commissioning Engineer - Mechanical** for a key role in Cumbria, UK. You will lead safe delivery of Start Up and Pre-Operations, producing test documentation and executing validation activities. Requires an ONC/Level 3 qualification, fault-finding experience, and willingness t...
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United Kingdom , Cumbria
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Not provided
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Morgan Sindall Plc
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Mechanical Engineer
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Mechanical Engineer sought for Aldermaston, UK, to deliver critical projects within the nuclear industry. You will provide technical guidance, produce design documentation, and interpret complex data. Essential requirements include a technical degree, project lifecycle knowledge, and UK nuclear i...
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United Kingdom , Aldermaston
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Not provided
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NSG Environmental Ltd
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Senior Structural and Mechanical Systems Engineer
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Senior Structural and Mechanical Systems Engineer sought by Surrey Satellite Technology Ltd. in Guildford, UK. Lead spacecraft structural design, analysis, and testing using Nastran, HyperMesh, and Ansys. Requires 10+ years’ experience in FEA, composite materials, and mechanical qualification. Ma...
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United Kingdom , Guildford
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Not provided
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Surrey Satellite Technology Limited
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Mechanical Engineer
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Join Ark Mechanical & Electrical Services as a Mechanical Engineer in Luton. You will manage large MEP packages over £5M on complex residential projects. Ideal candidates hold a Mechanical Engineering degree, have 5+ years of design and construction experience, and possess SMSTS/CSCS. Enjoy priva...
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United Kingdom , Luton
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Not provided
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JRL Group
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Senior Mechanical Design Engineer
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Senior Mechanical Design Engineer sought by SSTL in Guildford, UK to lead spacecraft structural design and subsystem integration. You will manage work packages, create 3D models in SolidWorks, and support projects from concept through testing. Requires a Mechanical Engineering degree, UK SC clear...
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United Kingdom , Guildford
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Not provided
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Surrey Satellite Technology Limited
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Until further notice
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About the Engineer - Mechanical role

Explore a world of opportunity with Engineer - Mechanical Jobs, where innovation meets practical application. Mechanical engineering is a broad and dynamic profession that forms the backbone of countless industries, from automotive and aerospace to energy, manufacturing, and robotics. Professionals in this field are responsible for designing, analyzing, manufacturing, and maintaining mechanical systems—essentially anything that moves or uses power. The core mission of a mechanical engineer is to solve real-world problems by applying principles of physics, materials science, and thermodynamics to create efficient, safe, and reliable products and processes.

Typical responsibilities for mechanical engineers span the entire product lifecycle. In the design phase, they use computer-aided design (CAD) software to create detailed blueprints and 3D models of components and assemblies. They conduct rigorous analysis using finite element analysis (FEA) and computational fluid dynamics (CFD) to predict how designs will behave under stress, heat, or fluid flow. Beyond design, these engineers oversee prototyping, testing, and validation to ensure performance meets specifications and regulatory standards. They also play a critical role in manufacturing, optimizing production lines, selecting materials, and troubleshooting equipment issues. Many mechanical engineers work on system integration, ensuring that mechanical parts function seamlessly with electrical, hydraulic, and software systems. Project management is another common responsibility, involving budgeting, scheduling, and coordinating with cross-functional teams, suppliers, and clients.

To succeed in mechanical engineering jobs, professionals need a strong foundation in core technical skills. Proficiency in CAD software (such as SolidWorks, AutoCAD, or CATIA) is essential, along with knowledge of simulation tools for stress and thermal analysis. A solid understanding of mechanics, thermodynamics, fluid dynamics, and material properties is non-negotiable. Practical skills in manufacturing processes—like machining, welding, 3D printing, or injection molding—are highly valued. Soft skills are equally important: mechanical engineers must communicate complex ideas clearly, collaborate with diverse teams, and think critically to troubleshoot unexpected challenges. Familiarity with industry standards (e.g., ASME, ISO) and quality control methodologies (like Six Sigma) is often required. Most positions demand a bachelor’s degree in mechanical engineering or a related field, with many employers preferring candidates who are licensed Professional Engineers (PE) or working toward that credential.

The career path offers vast variety. Some mechanical engineers specialize in thermal systems, designing HVAC or power plants. Others focus on robotics and automation, creating machines that improve efficiency. Still, many find rewarding roles in product development, renewable energy, or biomedical devices. Whether you are an early-career professional seeking entry-level mechanical engineering jobs or an experienced engineer looking for senior design or management roles, this field provides continuous learning and the chance to shape the physical world. With technology evolving rapidly—including the rise of additive manufacturing, smart materials, and digital twins—mechanical engineering remains a future-proof, impactful career. Explore the latest mechanical engineering jobs today to find a role that matches your skills and ambitions.