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Contractor 71
London mechanical engineer

71 mechanical engineer jobs found in London

CL
Apr 15, 2026  
Mechanical Engineer
Job Title: Mechanical Maintenance Engineer (Temp) Location: Central London Contract Length: 3 Months Rate: Negotiable (Dependent on Experience) The Role We are currently recruiting for an experienced Mechanical Maintenance Engineer to join a well-maintained office building in Central London on a 3-month temporary contract. Working on behalf of the landlord, you will be responsible for delivering both planned and reactive mechanical maintenance, ensuring all systems are operating efficiently and in line with compliance standards. Key Responsibilities * Carry out planned preventative maintenance (PPM) on mechanical systems * Attend and resolve reactive maintenance issues * Fault finding on mechanical plant and associated systems * Maintenance of HVAC systems, pumps, motors, valves, and pipework * Monitor plant performance and report any issues * Ensure all works are completed in line with health & safety regulations *...
IR35 Status:
Unknown Status

CV-Library EC2N, Cornhill, Greater London Contractor
CL
Apr 18, 2026  
Mechanical Engineer College Site
Ace Academics Consultancy Building Services Engineer (Mechanical Bias) – Education Estate, London Join a leading education provider in London as a Building Services Engineer. Hands-on role covering HVAC, boilers, chillers, and plant maintenance. Perfect for engineers with college, university, or large estates experience. Key Highlights * 🚀 Exciting opportunity in a college/university estate environment * 🔧 Hands-on role with HVAC, boilers, chillers, pumps, and fans * 🛠 Mix of planned preventive maintenance (PPM) and reactive repairs * 📑 Strong focus on health & safety compliance and accurate record-keeping * 👥 Work with a supportive estates & facilities team plus external contractors * 📈 Opportunities for training, development, and long-term career growth The Role We are looking for an experienced Building Services Maintenance Engineer (Mechanical Bias) to join a busy education estate in London. You will be...
IR35 Status:
Unknown Status

CV-Library South East London, Greater London Contractor
CL
Apr 18, 2026  
Level 3 Mechanical Engineer
Exciting Opportunity for a Level 3 Mechanical Engineer! Are you a passionate Mechanical Engineer looking to take your career to the next level? We have the perfect opportunity for you! Join our dynamic team in Lewisham, Greater London, for a temporary contract lasting 12 months. What You'll Do: Conduct thorough testing and analysis to ensure peak performance Collaborate with cross-functional teams to deliver outstanding projects Troubleshoot and resolve engineering challengesWhat We're Looking For: A Level 3 qualification in Mechanical Engineering Strong analytical skills and attention to detail Proficiency in CAD software and engineering tools Excellent communication skills and a team-oriented mindsetWhy Join Us? Be part of a vibrant team that values creativity and collaboration Work on exciting projects that make a difference Enjoy a competitive salary and flexible working arrangements Opportunities for professional development and growth If you're ready to bring your...
IR35 Status:
Unknown Status

CV-Library Lewisham, London Contractor
CL
Apr 15, 2026  
Mechanical Engineer
Mechanical Engineer | Wembley, North West London Salary: Up to £42,000 oer year Location: Wembley (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 logs of all works completed What We're Looking For...
IR35 Status:
Unknown Status

CV-Library Wembley, London Contractor
CL
Mar 05, 2026  
Mechanical Project/Design Engineer
Mechanical Project/Design Engineer Opportunity – Leading Renewables Contractor - London MK Search are working with a market leading renewables and decarbonisation M&E contractor who are currently looking to recruit a Mechanical Project / Design Engineer to join their growing team. This is an excellent opportunity for an early-career engineer looking to develop their technical and project experience within a supportive and professional environment. The company in question have recently won a variety of new contracts across London. The Role Working alongside experienced engineers and project teams, you will assist with the design, coordination, and delivery of decarbonisation on leisure, commercial, education and residential projects. The role offers exposure to both project and design work, with opportunities to build hands-on experience across a range of mechanical systems. The Ideal Candidate We are keen to speak with candidates who have: * A degree or diploma in...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Mechanical Project Engineer
Job Title: Mechanical Project Engineer Location: Northwest London (Site-Based) Duration: Minimum 8 Months Project:    Residential Development Overview: We are seeking an experienced Mechanical Project Engineer to join a flagship £450 million residential development in Northwest London. This is a prestigious, large-scale project offering the opportunity to work within a high-performing delivery team on a technically complex build. Key Responsibilities: Support the delivery of mechanical packages from pre-construction through to installation and commissioning Work closely with the design, commercial, and site teams to ensure smooth project progression Manage subcontractors and ensure works are delivered to programme, quality, and safety standards Review and coordinate mechanical designs, drawings, and specifications Assist with procurement, technical submissions, and RFIs Monitor site progress and resolve technical issues as they arise Ensure compliance with all...
IR35 Status:
Unknown Status

CV-Library Maida Vale, London, UK Contractor
CL
Apr 18, 2026  
Maintenance plumber
Maintenance Plumber, £220 pd (based on 8 hrs), start 30/03/2026 Location: Brompton, SW3 Rate: £220 pd We are seeking reliable and experienced Maintenance Mechanical operatives with strong mechanical skills to join the Facilities & Estates team at Royal Brompton Hospital This hands-on role is ideal for someone with solid plumbing/mechanical knowledge and experience working in a commercial, estates, or healthcare environment. Key Responsibilities: Carry out planned preventative maintenance (PPMs), including drainage PPMs, strainer maintenance, and basic pump maintenance Work across plant rooms and mechanical infrastructure to ensure smooth operation Diagnose and resolve plumbing/mechanical faults independently where possible Respond to reactive maintenance requests promptly and professionally Follow hospital health & safety and operational procedures at all timesRequirements: Proven experience as a maintenance plumber or mechanical engineer Basic DBS certificate...
IR35 Status:
Unknown Status

CV-Library South West London, London Contractor
CL
Apr 16, 2026  
Package Project Engineer
Job Title: Junior Package Engineer (Oil & Gas) Location: London (Hybrid – minimum 2 days per week in office) Contract Type: Contract (Outside IR35) Start Date: Immediate Position Summary A fantastic opportunity is available for a Junior Package Engineer to support offshore oil and gas projects, including FPSO and topside developments. This role is ideal for someone early in their career who is looking to build hands-on experience across package engineering, vendor coordination, and project delivery. You will work closely with experienced engineers and project managers, gaining exposure across the full project lifecycle from design support through to procurement, inspection, and commissioning. Key Responsibilities Project and Package Support Review vendor documentation and ensure alignment with project requirements Assist with equipment expediting to support delivery schedules Provide general project and administrative support across engineering packages Prepare and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 03, 2026  
Pipe Stress Engineer
Pipe Stress Engineer Location - Leatherhead Work pattern – 4 days office – 1 day remotely. Rate - £60 p/hr – Outside IR35 Duration – 6 months Start - ASAP Job Responsibilities: During Detail Engineering, perform Piping Stress Analysis of high temperature piping systems using a combination of practical experience and commercially available software. Implement project specifications. Work as part of a team to ensure Isometrics are being checked in a timely manner Ensure a consistent and compliant approach to project execution. FEA Analysis of specialist piping components. Analysis of new and existing piping systems on Greenfield and Brownfield Projects. Work individually or as part of a team in the home office and abroad. Communicate effectively with other engineering disciplines. Committed to multi-centre project execution. Adhere to the companies WAY engineering standards and procedures as well as provide input to their development and enhancement. Skills / Experience:...
IR35 Status:
Outside IR35

CV-Library Leatherhead, UK Contractor
CL
Apr 03, 2026  
Technical Design Engineer
We are recruiting for a Technical Design Engineer (CAD Tooling) to work with our London based client on a 6-month rolling contract. Working within the Industrial Operations department, you will be part of the Industrialization team. As a Technical Design Engineer (CAD Tooling), you will be responsible for the definition and design of new tooling and equipment to simplify the assembly of Optical/Electrical products in production whilst maintaining quality and reliability. THE SUCCESSFUL APPLICANT * Engineering degree or equivalent (mechanical, industrial, production). * Experience working on Creo CAD package. * Ability to make reliability engineering judgements under pressure. * Experience in a technical and/or manufacturing environment. * Organised, disciplined & methodical approach to problem solving. * FMEA software experience and NPI experience (beneficial) * 3D print design experience (beneficial) JOB DESCRIPTION * Work closely with SED/R&D to ensure...
IR35 Status:
Unknown Status

CV-Library SE10, Peninsula, Greater London Contractor
CL
Apr 11, 2026  
Multi Skilled Engineer
Multi Skilled Engineer Electrical Bias Full time Multi Skilled Engineer (Electrician) to work across several busy maintenance/facilities contracts with various Mechanical/Electrical operatives. Great onsite team servicing modern buildings for prestigious clients Reporting to the Managing Director of a growing Electrical/Facilities management company. The position will be a hands on role based in West London with some days working at other office locations. You will be responsible for assisting on the delivery of maintenance contracts for various offices in and around London. You should have a good understanding of building maintenance in commercial settings and be fully conversant with PPM, CBM and reactive maintenance. Key aspects of the Multi Skilled Engineer role are: * Reporting to the Managing Director in the running/Implementation of several maintenance contracts in and around London. * Be responsible in the effective implementation of various maintenance contracts and...
IR35 Status:
Unknown Status

CV-Library Hillingdon, Greater London Contractor
CL
Mar 14, 2026  
Mechanical Project Manager
Mechanical Project Manager About the Role We are seeking an experienced Mechanical Project Manager to take full responsibility for delivering mechanical building services packages on a long-term commercial CAT A & CAT B fit out programme. This role will focus specifically on managing mechanical works from pre-construction through to commissioning and final handover across multiple project phases. You will play a key role in ensuring all mechanical services are delivered safely, on programme, within budget, and to the highest quality standards. This is an excellent opportunity to join a stable contractor with secured ongoing works and a strong project pipeline. Mechanical Project Manager Key Responsibilities * Manage the full mechanical package from design coordination through to commissioning and handover * Plan, programme, and oversee site activities to meet phased project milestones * Coordinate with main contractors, consultants, subcontractors, and...
IR35 Status:
Unknown Status

CV-Library Wandsworth, Greater London Contractor
CL
Apr 18, 2026  
Android Engineer - Kotlin
Android (Kotlin) Engineer - London, Hybrid A major banking company are looking for an Android Engineer to work on mobile applications that are used by tens of millions of their cardholders around the world. They want someone with strong technical skills and creativity; someone who enjoys solving tough problems and working with innovative technologies. This person should not be shy about sharing their ideas and be obsessive about user experience and beautiful code. You will be working in a fast-paced small-team environment with the stability of working as part of a Fortune 100 company. Your primary responsibility will be to work on a small team of designers, product owners, QA, and engineers developing and improving features. You should be familiar with modern software development methodologies popular in Android and be able to dive deep and rapidly iterate on ideas with your team despite some ambiguity. NO SPONSORSHIP - Must have the right to work full time in the UK...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 18, 2026  
QA Engineer
Mobile QA Engineer - London, Hybrid A major banking company is looking for a Mobile QA Engineer with 4+ years of experience to work on award winning mobile applications (#1 in JD Power 2021 Mobile App survey) that will be used by tens of millions of our client's cardholders around the world. They want someone with strong technical skills and creativity. Should enjoy solving tough problems and working with new technologies. You should not be shy about sharing your ideas and be obsessive about user experience and high quality. You’ll be part of the Mobile Engineering team whose mandate is to develop new products and platforms for our client's customers. Mobile Engineering’s aim is to build interactive experiences at all touch points of a consumer's journey whether before, at, or after the time of purchase. NO SPONSORSHIP - Must have the right to work in the UK Skills & Responsibilities (if this is not demonstrated in your CV you will not be considered for the role) •...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Java Full Stack Developer
Java Full Stack Developer Location: London - Hybrid – 3 days per week onsite Start Date: ASAP Contract Rate: TBC, likely in the region of £500 per day inside IR35 Duration: 6 months initially Role Overview Our client is seeking a Senior Java Full Stack Developer to help design, build, and support complex Java/Python applications within a distributed, microservices‑driven environment. You’ll work across global teams, contribute to an AI‑focused engineering roadmap, and provide critical L3 production support to ensure stability and performance. Key Responsibilities * Develop and maintain Java & Python applications, microservices, and distributed systems. * Work with global product, UX, and engineering teams to deliver high‑quality solutions. * Contribute across the full SDLC, ensuring scalable, secure, test‑driven delivery. * Support L3 production incident resolution, root‑cause analysis, and preventive fixes. * Perform code reviews, enforce best practices,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Geospatial Engineer - Hybrid
Dedicated to sustainable development, Arup is a collective of designers, consultants and experts working globally. At Arup you will have the opportunity to collaborate on ambitious projects - delivering remarkable outcomes for clients and communities, and to do socially useful work that has meaning. Arup's purpose, shared values and collaborative approach has set it apart for over 75 years, and now is your opportunity to join. Job description - the role AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. We partner with Arup to support their contingent recruitment processes. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On Behalf of Arup, we are...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Software Engineer
Location: London Tech Stack: Python, PySpark, C++ Salary: £550–£850 per day About the Opportunity Hexwired Recruitment is partnering with a well-established organisation in the UK defence and national security sector, delivering highly advanced technology used across government and defence applications. They specialise in complex electronic systems, secure communications, and cyber technologies. Candidates must hold an active Enhanced DV (EDV) / Green Badge security clearance to be eligible for this role. Role Overview As a Software Engineer, you will develop software for advanced electronic and embedded systems, working closely with multidisciplinary teams including hardware and systems engineers. The role is hands-on and engineering-focused, covering the full software lifecycle—from design through testing and deployment. Key Responsibilities * Develop software in Python and C++ for embedded and electronic systems * Handle large datasets and processing using PySpark...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Senior ServiceNow Engineer
Job title: ServiceNow Developer Contract: 12 months Location: London/Hybrid Rate: £700 per day inside ir35 Job Opportunity: Join the team behind one of the world's most iconic gaming and digital entertainment platforms. You'll play a key role in the Partner Platform, enabling global content creators to deliver games, media, and immersive experiences to millions of users worldwide. This is a chance to work at the heart of a platform that powers one of the biggest names in interactive entertainment, collaborating with international teams and contributing to systems used at truly global scale. Responsibilities: Enhancing and optimising an existing ServiceNow-based licensing workflow Designing and building scalable platform improvements Delivering high-quality solutions in a fast-paced environment Working closely with technical teams to drive end-to-end delivery Building integrations and improving system performance Required skillset: Strong hands-on ServiceNow...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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