84 mechanical engineer jobs found in London

Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: Mostly remote (occasional travel to London) Contract Rate: £45-£53 per hour outside IR35 or Permanent Salary: £50-£60k About the Role: We are seeking an experienced Mechanical Engineer to join a dynamic team focused on innovative engineering solutions in the water and environmental sector. This role offers the flexibility of primarily remote work, with occasional visits to the London office, and provides the opportunity to work on cutting-edge projects in a collaborative environment. Key Responsibilities: Design, develop, and optimise mechanical systems and components. Prepare detailed engineering drawings, specifications, and documentation. Work closely with project teams to deliver solutions from concept through to installation and commissioning. Support project planning, risk assessment, and troubleshooting mechanical issues. Ensure compliance with relevant industry standards,...

Mechanical Engineer | Paddington, London Salary: Up to £45,000 per annum (DOE) Hours: Monday - Friday, 08:00 - 17:00 Location: Central Paddington (Excellent transport links) Are you a hands-on Mechanical Engineer looking for a stable, site-based role in the heart of London? We are looking for a skilled professional to join our facilities team in Paddington to maintain and optimize the mechanical systems of a premier commercial site. The Role You won't just be "fixing things"-you'll be the technical backbone of the building. You will be responsible for the planned preventative maintenance (PPM) and reactive repairs of all mechanical plant equipment. Key Responsibilities: Maintenance of HVAC systems, pumps, motors, and pressurized systems. Basic plumbing repairs and water treatment monitoring (L8). Diagnosing faults and implementing long-term technical solutions. Managing sub-contractors and ensuring health & safety compliance on-site. Maintaining accurate digital...

Senior Mechanical Engineer Basildon, Essex (4 day/week on site) £63ph (Inside IR35) Initial 9 month contract **Please note we can only consider sole UK Nationals for this role** We are currently looking for a Senior Mechanical Engineer to join the Precision Guidance Integrated Project Team (IPT), working on equipment for the next generation of Missile Seeker Programmes. What you'll do as a Senior Mechanical Engineer: Support senior members of staff in the delivery of technical solutions on critical Business Programmes. Generation of mechanical solutions to relevant company and international standards. Design of engineering solutions taking into account all requirements including product quality, safety, reliability, testability, sustainability, etc. Mechanical engineering detailed design, including numerical calculations, tolerance studies, etc. Produce Manufacturing Data Packs in line with BS8888 including appropriate application of GD&T. Generate BoM within approve PLM...

Our client, a large Aerospace and Defence supplier is looking for a Mechanical Design Engineer to join them on a contract basis at their site in Basildon. Due to the nature of the project, applicants must hold the sole British nationality and hold SC Clearance. 6 month initial contract Location: Basildon, 4 day per week onsite Rate: £64.22 p/h UmbrellaKey Responsibility Areas Support senior members of staff in the delivery of technical solutions on critical Business Programmes. Generation of mechanical solutions to relevant company and international standards. Design of engineering solutions taking into account all requirements including product quality, safety, reliability, testability, sustainability, etc. Mechanical engineering detailed design, including numerical calculations, tolerance studies, etc. Produce Manufacturing Data Packs in line with BS8888 including appropriate application of GD&T. Generate BoM within approve PLM system (Teamcenter). Contribute to reviews of...

World Class Defence Organisation based in Stevenage is currently looking to recruit 3x Mechanical Systems Engineers / Architects on an initial 12 month contract.  The role will be hybrid of being split between working from home and onsite.    This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    A background or knowledge of Systems Engineering and Supplier Management would be beneficial. Contract Duration: 12 Months initially and then ongoing and long-term thereafter. Hourly Rate: £65.00ph   Mechanical Systems Engineer / Architect Job Description:   We have an opportunity for an experienced Mechanical Architect to join the team. This exciting role is to gather and manage the missile mechanical architecture requirements to...

I am recruiting for a Commissioning Engineer to join a leading consultancy I have worked with for over four years. This is an ongoing freelance position with a business that has consistently received excellent feedback from the contractors I have placed there. The role offers the opportunity to work across a diverse project portfolio, including Aviation, Rail, and large-scale Commercial developments. You will be joining a specialist consultancy team where you will manage the transition from installation to handover. You will be responsible for ensuring all building services systems are tested, validated, and performing to the required standards. Roles and responsibilities: Oversee and witness the commissioning of mechanical or electrical systems (HVAC, BMS, Power, and Lighting Controls). Review and manage Commissioning Plans, Method Statements, and Site Progress Reports. Work closely with MEP contractors and clients to resolve technical issues on-site. Ensure all works comply...

Senior Mechanical Design Engineer - MEP London Contract (Outside IR35) Hybrid - 3 days a week in Office Rate: £45/hr - £50/hr A consultancy we are partnered with is looking for a contract senior mechanical design engineer to work on a contract basis in their London office. Consultancy or contractor background welcome, working on various sectors, notably commercial, residential and education. Proficiency in Revit desirable but not required. Contract length is like to be 6 months rolling. Looking to start someone end of Feb/beginning of March. If you are interested please apply with your CV

Temp Mechanical day Shift Maintenance Engineer My client is currently recruiting for a day shift mechanical maintenance engineer. You will have your level 3 in either plumbing/mechanical/AC, with a proven track record in commercial maintenance. Sector: Health Duties will include all ppm and reactive maintenance on plant, pumps, motor's generator checks, ahu's, fan coils, ventilation, motors, general plumbing as well as ppm's on heating and cooling. Hours 7-7 4 on 4 off Days only Rate is 25-30p/h plus overtime If you are interested in this position, please e-mail your CV to Matt at Alex Young Recruitment

Electro-Mechanical Design Engineer 📍 Hybrid role We’re looking for an experienced Electro-Mechanical Design Engineer to join our engineering team, working on the design and development of BMS peripherals and HVAC control products. This is a hybrid role offering a mix of hands-on engineering, design ownership, and cross-functional collaboration. You’ll play a key role in taking products from concept through to manufacture, supporting both new developments and existing product improvements. Key Responsibilities Design and develop electro-mechanical components and assemblies for BMS and HVAC control applications Create and maintain 3D CAD models and detailed drawings using SolidWorks (or equivalent CAD software) Work closely with electronics, firmware, and manufacturing teams to deliver robust, cost-effective designs Support prototyping, testing, validation, and design reviews Manage design changes, tolerances, and documentation throughout the product lifecycle Ensure designs meet...

World Class Defence Organisation based in is currently looking to recruit 2x Tooling Design Engineer subcontractors.   This role would suit a Mechanical Design Engineer who has Tooling and Creo experience.  Previous experience of working in the defence or aerospace industry would be great.   Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bolton or Stevenage – depending on your preference   Hybrid / Remote working: The role will be a mix of onsite and remote working Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Tooling Design Engineer Job Description:   You will be part of a high performing team. You will be creating Tooling solutions on a wide variety of projects. This is a critical role collaborating with wider multi-disciplinary teams to understand...

Multiskilled Engineer Shift role The Company: My client is one of the largest independent providers of property maintenance services in the UK, providing both Planned Preventative and Reactive Maintenance to thousands of clients across tens of thousands of locations around the UK. They provide, Mechanical & Electrical, Fabric, Air conditioning and Combustion, maintenance, and installations to commercial & retail environments. They are national specialists in planned and responsive maintenance and all of there services are based on `self delivery`, which means that they employ only the best, fully qualified in-house technicians and engineers to maintain quality standards. Due to sustained period of growth, we are recruiting for a qualified Electrical Maintenance Engineer to work on a static commercial site in Edingburgh, you will be required to work Monday-Friday 8am-5pm on a temporary basis then on a permanent on a shift basis. Essential skills: * Experience...

TBM Shift Engineer Temporary Full-time. On-site. Are you a TBM Shift Engineer looking for a new opportunity? Do you have tunnelling experience working for a civil engineering contractor on infrastructure projects? Are you interested in working on an exciting new project on a long-term contract? If so, then we may have the right role for you! Our client is looking to add an experienced TBM Shift Engineer to their current team. You will be reporting to the Shift Manager for works on the Tunnel Boring Machine (TBM) during the shift as excavation continues. Job Details: Site-based engineering role supporting live TBM operations Involved in the day-to-day control and monitoring of excavation activities Working closely with TBM Shift Managers, TBM crews and engineering teams Shift-based role on a long-term tunnelling project Key responsibilities Ensure works are undertaken in accordance with approved RAMS Confirm excavation activities follow current operational instruction...

Lead Mechanical or Electrical Commissioning Manager ( Data Centres ) - London - contract 6 month ++ OR permanent One of Europe's leading Building Services Commissioning management consultancies is urgently seeking good Commissioning Managers with a solid track record in Data Centre projects to join their ever growing team on a London DC project. We are looking for someone who can drive the trades on the project and chair the meetings to keep the project on track. You need to have good project management skills and great client communication skills. This role requires someone capable of leading the commissioning meetings and driving the process. Job Purpose Summary The role of our commissioning managers is to see that building services systems will be, are or have been put to work properly and in accordance with relevant requirements. Determining that this is the case could be achieved through any of the following: 1. Managing the commissioning process 2. Validating that the...

Multi-Skilled Engineer (Electrical Bias) – Contract We are seeking a Multi-Skilled Engineer with strong electrical engineering skills for a 3-month contract, working 3 days per week in London. The successful candidate will support planned and reactive maintenance across site and production equipment, ensuring safe and efficient operation. Key Responsibilities: Electrical fault finding and diagnostics Planned preventative and reactive maintenance Supporting mechanical maintenance where required Ensuring compliance with health & safety standards Requirements: Strong electrical engineering background (electrical bias essential) Multi-skilled with mechanical experience Relevant engineering qualifications Previous experience in a manufacturing or industrial environment preferred Contract Length: 3 months Working Pattern: 3 days per week Location: London

Contract Type: Contract / Freelance Start Date: Immediate & Ongoing Rate: Competitive – DOE We are a specialist recruitment agency currently working with our client who requires engineers with who specialise within MVHR. Due to a strong pipeline of work, we are actively seeking experienced MVHR Engineers to join projects on a contract basis. Role Overview As an MVHR Engineer, you will be responsible for servicing,repairs and maintenance of Mechanical Heat Ventilation & Recovery systems across social housing contract. Key Responsibilities * Fault finding, servicing, and maintenance * Knowledge to carry out surveys * Ensuring all work complies with current regulations and standards * Completing relevant documentation and reports Requirements * Proven experience working with MVHR systems * Relevant mechanical or HVAC qualifications * CSCS card (or equivalent) * Own tools and PPE

Software Test and Validation Engineer - London (Hybrid) - £45 - £55 per hour (Umbrella) - 12 month contract About the Role: We are seeking a motivated Software Test and Validation Engineer to join our client's Product Development team. In this role, you will help ensure our software-controlled systems operate safely and reliably, working on cutting-edge engineering products. You will develop and execute comprehensive test programmes, perform system-level tests, and provide detailed feedback to support product improvements. Key Responsibilities: Independently plan and execute unit testing and system integration testing. Perform embedded software unit testing to verify functionality, accuracy, and reliability of individual components. Conduct software integration testing, verifying interactions between software, hardware components, subsystems, and external interfaces. Suggest simulation or emulation techniques to improve system-level testing. Recommend and implement automated...

MEICA Commissioning Engineer | Clean Water Projects | Affinity Water Region Tired of the same old AMP talk? This is one of those rare commissioning roles where you’re trusted to deliver, not micromanaged. You’ll be working on clean water treatment and network upgrade projects within the Affinity Water region, helping to bring essential infrastructure to life across the region. If you like getting hands-on with complex systems, solving problems under pressure, and seeing results that make a real impact on communities, this one’s worth reading. 💡 The Role You’ll take ownership of the full commissioning process — from off-site testing to integration into live water assets. Reporting to a Commissioning Manager who understands the challenges first-hand, you’ll coordinate on-site activities, ensure safety, and make sure every system is delivered to spec and on time. Key responsibilities: • Lead day-to-day commissioning activities and support delivery teams on site • Produce accurate...

Contract PSV Engineer “Are you looking for ongoing opportunities as a PSV Engineer and to develop your skillset?” Why work as a Venatu Contractor? * Wages paid weekly. * Roles inside and outside of IR35. * Local work wherever possible, as well as national opportunities, short and long-term contracts available. * Developing your skill set, training courses subject to meeting the criteria. * Technical backup from a qualified engineer. What you will be doing as the PSV Engineer: * Carry out repair and maintenance to exceed DVSA standards. * Diagnostics and repair of mechanical faults including steering, brakes, air systems, driveline but not limited to. * Diagnostics and repair of electrical, and body systems. Use diagnostic equipment to assist diagnostics. * Routine inspection and servicing to maintain roadworthiness and MOT standards. * Carry out major unit changes and repairs where applicable. * Complete necessary paperwork including service...

New Model/NPI Manufacturing Engineer (INSIDE IR35) About this Position Our Manufacturing Engineering team is expanding to support future growth plans. With new models come greater opportunities to develop and standardise processes that ensure every vehicle is built to the highest quality. This role is central to the success of manufacturing operations, overseeing the processes and complexities of building new models – from initial concept designs through prototypes into full series production. The position offers significant variety, with exposure to multiple projects and collaboration across concept design, engineering, and operations, giving the opportunity to influence projects from start to finish. Job Responsibilities * Create and develop deliverables for each new model introduction, including: * Vehicle assembly concept * Transition from virtual environment to physical validation and delivery * Process sequencing,...

Principal Electronics Engineer 6-month contract Paying up to £65ph inside IR35 Our client, a leader in the Defence & Security sector, is currently seeking a Principal Electronics Engineer to join their team on a contract basis. This role offers an exciting opportunity to develop and grow your skills within a thriving organisation engaged in cutting-edge technologies and projects. The Opportunity: This position is based in either Southampton or Bristol, with a primary focus on the design and development of digital processing electronics and support to RF and analogue power circuitry for complex laboratory and aircraft sensor systems. The role encompasses working across various stages of the product lifecycle, from initial concept development through to early life production and field support. You will be part of the Airborne Communications product development group within the Integrated Sensing & Protection division, interacting with partner organisations,...