Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 71 Inside IR35 19 Outside IR35 10
Refine by Categories
Education 764 Construction 134 Admin-Clerical 85 Other 47 Information Technology 43 Management 37
Health Care 36 Distribution-Shipping 30 Supply Chain 30 Transportation 30 Warehouse 30 Manufacturing 29 Marketing 29 Government 28 Finance 22 Nonprofit-Social Services 22 Insurance 19 Human Resources 16
More
Refine by Job Type
Contractor 100
Engineering London support worker

100 support worker jobs found in London

CL
Jun 19, 2026  
Document Controller
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
Jun 18, 2026  
Assistant Engineer
Job Title: Assistant Mechanical Engineer / Plumbing Improver (Temp to Perm) Location: Richmond (Primary Site) - with occasional travel to Weybridge Hours: Monday-Friday, 8:00am - 5:00pm Contract: Temporary to Permanent initially paid through Umbrella on £18 - 19 per hour starting salary will be around £28k - £32k About the Role We are recruiting for an Assistant Mechanical Engineer / Plumbing Improver to join a growing team on a newly mobilised site in Richmond. This is an excellent opportunity for someone with hands-on experience in plant rooms, hard services FM, or a commercial maintenance environment who is looking to develop their skills and build a long-term career. This is a temp-to-perm position with a strong likelihood of becoming permanent, offering structured training, mentoring, and upskilling alongside experienced engineers. You will be primarily based in Richmond, with occasional travel to a nearby site in Weybridge. Key Responsibilities Support qualified...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 18, 2026  
Mechanical Design Engineer
Contract Mechanical Design Engineer CAD: Inventor Rate: £30–£40 per hour Start: Immediate Type: Contract Length: 3 months IR35: Outside Remote: Yes Contract Mechanical Design Engineer needed to support the design and manufacture of bespoke lifting, winching and hydraulic systems. You will be responsible for the mechanical design producing detailed designs and manufacturing drawings using Autodesk Inventor. Key requirements: • Strong Autodesk Inventor experience • Proven experience as a Mechanical Design Engineer • Experience designing bespoke mechanical systems and assemblies • Ability to produce detailed manufacturing drawings and BOMs • Experience working with fabricated structures and mechanical components • Understanding of practical manufacturing and installation processes • Comfortable working within fast paced project environments This is an immediate requirement for a Mechanical Design Engineer offering £30–£40 per hour depending on experience. Please...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 17, 2026  
IT Support Engineer
IT Support Engineer – 6 month contract MUST Live in GIBRALTAR! Role Overview VIQU IT are currently looking for an IT Support Engineer who will be responsible for maintaining the stability and day-to-day performance of tombola’s IT systems. Working within the IT Services team, you will provide responsive technical support across infrastructure, applications, and end-user environments. This role requires a structured and analytical approach to problem-solving, with the ability to manage competing priorities in a fast-moving, high-availability environment. You will collaborate closely with technical teams across the business to ensure reliable service delivery, operational continuity, and continuous improvement of systems and processes. For this role you must currently live or have available accommodation in Gibraltar. IT Support Engineers Key Responsibilities Provide hands-on support across end-user computing, applications, and core IT infrastructure, ensuring consistent...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 14, 2026  
Commissioning Engineer
Commissioning Engineer - Water & Wastewater London (with site travel as required) 45 hours per week Overview We are seeking an experienced Commissioning Engineer to join a major main contractor delivering complex water and wastewater process engineering projects. This role is critical to ensuring safe, compliant, and right‑first‑time installation, testing, and commissioning from design through to handover. You will play a leading role across the full commissioning lifecycle, working closely with design teams, suppliers, subcontractors, and client stakeholders to deliver high‑quality outcomes. Key Responsibilities Commissioning & Technical Delivery Provide full lifecycle commissioning input from design through installation, testing, commissioning, and handover. Develop and implement commissioning plans, procedures, and documentation. Undertake hands‑on commissioning activities across electrical, mechanical, and process systems. Lead and witness FAT and SAT...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 14, 2026  
Retail & Shopfitting Installation Engineer – Nights
Retail & Shopfitting Installation Engineer – Nights Location Nationwide – engineers will ideally be allocated to sites close to their home location where possible. Contract Type Contract / Project-Based Shift Pattern Night shifts – Sunday & Monday * Sunday shift start: 4:00pm * Monday shift start: 10:00pm Shift finish times will vary depending on completion of works. Engineers may leave site once all work has been completed and signed off by the Site Lead/customer. Project Overview On behalf of our client we are recruiting teams of reliable Engineers to support a nationwide retail installation programme across retail sites throughout the UK. We are looking to build multiple teams of approximately 10 Engineers per region to carry out overnight installation works on behalf of our client. This is a hands-on role suited to candidates with experience in retail installations, shopfitting, merchandising, fixture fitting, retail rollouts, or field engineering...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Senior Product Design Engineer
Role: Senior Product Design Engineer Location: London Contract Type: Contract / Freelance Duration: 6 months + Rate: £315 per day Status: Outside IR35 - Ltd co contract Shape Innovative Products from concept to reality. An exciting opportunity has arisen with a highly respected product innovation consultancy known for delivering cutting-edge solutions across healthcare, consumer, and industrial sectors. Working within a collaborative, multidisciplinary environment, you will play a pivotal role in transforming ideas into commercially successful, production-ready products. This is an ideal opportunity for an experienced Product Design Engineer who thrives on solving complex engineering challenges, balancing creativity with technical rigour, and leading projects from research through to manufacture. The Opportunity: As a Senior Product Design Engineer, you will work on a broad portfolio of technically challenging and highly innovative projects within consumer electronics,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Senior Mechanical Design Engineer
Senior Consultant - Engineering Design Location: London - 5 days a week 40 hours per week (hybred 3 days in the office min) Contract: Freelance / Contract / 6 Months + £315 per day Limited company Engineer Innovation From Concept to Manufacture We are working with a leading product innovation consultancy seeking an experienced Senior Consultant for Mechanical Engineering Design, to deliver complex engineering projects from concept through to production in the Medical and consumer product world. This role suits a technically strong, commercially aware engineer with experience leading projects, solving complex design challenges, and managing client relationships. Key Responsibilities Lead client communication and project delivery Interpret briefs, define requirements, and manage plans, budgets, and timelines Develop innovative engineering concepts and assess feasibility Deliver robust designs using 3D CAD, FEA/CFD, mathematical modelling, and prototype testing Support...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 13, 2026  
Senior Process Engineer
Job Title: Senior Process Engineer - Production Optimisation & Field Development Working Location: London (Hybrid - minimum 3 days office based) Contract Type: Permanent Key Responsibilities: - Support upstream development and optimisation projects - Evaluate process and production improvement opportunities - Deliver process engineering activities from concept through to implementation - Produce and review technical process deliverables and documentation - Support vendor package reviews and contractor deliverables - Work closely with operations teams to improve facility performance - Support debottlenecking and facility optimisation activities - Contribute to project planning, scheduling, and reporting activities - Present technical recommendations and engineering findings to stakeholders - Participate in quarterly overseas assignments supporting operational assets and project activities (all travel and accommodation costs covered) Requirements: - 10+ years'...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 11, 2026  
Field Engineer
Field Engineer / Electrician Type: Long-term rolling contract Location: Bristol, London or Northeast (1 vacancy for each location available) Daily rate: £300-£350 per day, paid weekly in arrears About The Role: We are currently seeking experienced Field Engineers in the Bristol / London / North East areas to support critical infrastructure projects across high-profile data centre and telecommunications environments. This role is ideal for an engineer with a strong electrical background and proven experience working within live data centres and exchange environments. You’ll play a key role in delivering infrastructure installations, power works, and network hardware deployments while maintaining the highest standards of safety, quality, and compliance. Key Responsibilities * Rack installation and deployment activities * Infrastructure installation including cable tray, conduit, and containment systems * DC power installation up to 95mm CSA cable, including use of...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 18, 2026  
HV Power Electronics Engineer
Job Title: Senior HV Power Electronics Engineer Contract Duration: 12 Months Location: London Rate: £70–75 p/h DOE (Inside IR35) About the Role We are supporting an advanced engineering programme requiring a Senior HV Power Electronics Engineer with deep expertise in high-voltage system design, insulation coordination, and HV product validation. Key Responsibilities * Lead high-voltage creepage and clearance assessments across HV systems and subsystems. * Support the design and validation of high-voltage power conversion systems and associated power electronics. * Define and review insulation coordination strategies for complex electronic products. * Conduct HV risk analysis, DFMEA activities, and system-level design reviews. * Develop validation methodologies including HV withstand and insulation resistance testing. * Work closely with electrical, mechanical, safety, and systems engineering teams to resolve HV integration challenges. Required Experience *...
IR35 Status:
Inside IR35

CV-Library W1, Marylebone High Street, Greater London Contractor
CL
May 23, 2026  
Junior Integrations Engineer
Integrations Engineer We’re supporting a fast-growing technology business as they expand their enterprise partner onboarding capability. As partner volumes and deal sizes grow, they’re hiring a Pre-Sales Engineer / Integrations Manager to sit at the intersection of commercial, partners and engineering. This is a hands-on, partner-facing role where you’ll help take retail partners from agreement through to successful go-live, owning the technical onboarding journey. The role You’ll work closely with commercial teams, partners and internal engineers to scope technical requirements, support integrations and keep onboarding moving. You won’t be writing core product code, but you will be hands-on with APIs, webhooks and platform integrations, acting as the bridge between technical and non-technical stakeholders. What we’re looking for Required: Technical aptitude with a willingless to learn, ideally experience working with APIs Comfortable working directly with external...
IR35 Status:
Unknown Status

CV-Library Elephant and Castle, London, UK Contractor
CL
Jun 17, 2026  
Chiller Service Engineer
Chiller Service Engineer | Inside M25 | Temp-to-Perm We are seeking skilled Mobile Chiller Engineers to join our rapid-response team operating strictly inside the M25. If you know the London circuit like the back of your hand and have the technical expertise to match, we want to hear from you. This is a Temp-to-Perm opportunity, offering the chance to prove your skills on the ground before transitioning into a long-term, stable permanent position. Key Requirements To navigate this role successfully, you must have: Certification: Mandatory Category 1 F-Gas (C&G 2079). Qualifications: City & Guilds or NVQ Level 2/3 in Refrigeration and Air Conditioning. License: A full, clean manual driving license (essential for M25 travel). Location: Strong geographical knowledge of London and the surrounding boroughs. Shift Patterns & Benefits We understand that London engineering requires flexibility. We are currently offering: Shift Flexibility: Choose between dedicated...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Jun 16, 2026  
Commissioning Engineer
Commissioning Engineer - Water & Wastewater Surrey & London (with site travel as required) 45 hours per week Overview We are seeking an experienced Commissioning Engineer to join a major main contractor delivering complex water and wastewater process engineering projects. This role is critical to ensuring safe, compliant, and right‑first‑time installation, testing, and commissioning from design through to handover. You will play a leading role across the full commissioning lifecycle, working closely with design teams, suppliers, subcontractors, and client stakeholders to deliver high‑quality outcomes. Key Responsibilities Commissioning & Technical Delivery Provide full lifecycle commissioning input from design through installation, testing, commissioning, and handover. Develop and implement commissioning plans, procedures, and documentation. Undertake hands‑on commissioning activities across electrical, mechanical, and process systems. Lead and witness FAT and...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Jun 14, 2026  
BMS Commissioning Engineer (contract)
BMS Commissioning Engineer - Contract Location: London Contract Length: 6 months Rate: £350 - £400 per day We're partnering with a market-leading BMS Controls specialist who is looking to engage experienced BMS Commissioning Engineers to support a portfolio of high-profile projects across London. This role will be heavily commissioning-focused, working on both new installations and system upgrades, with some involvement in service, maintenance and fault-finding where required. Experience with Trend, Tridium, Siemens or Schneider (StruxureWare) is highly desirable, and additional training can be provided if needed. The Role Commissioning and optimisation of new and existing BMS installations Ensuring systems are delivered to specification and client expectations Fault-finding and issue resolution during commissioning phases Producing commissioning reports and handover documentation Providing technical support and building strong client relationships What We're Looking...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Jun 12, 2026  
Mechanical Engineer
Job Title: Mechanical Engineer Location: Millwall, Greater London Remuneration: £29.00 per hour Contract Details: Fixed Term Contract - 3 weeks, Full Time Responsibilities: Design and develop mechanical systems and components to meet project specifications. Conduct feasibility studies and cost analyses for proposed engineering solutions. Collaborate with cross-functional teams to ensure project milestones are met. Perform testing and validation of mechanical designs to ensure safety and performance standards. Troubleshoot and resolve engineering issues as they arise during the project lifecycle. Prepare detailed documentation of engineering processes and results. Contribute to continuous improvement initiatives within the engineering department. Join our dynamic team as a Mechanical Engineer, where your expertise will play a crucial role in delivering innovative solutions. With a competitive hourly rate of up to £29.00, this fixed-term contract offers a great opportunity for...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Jun 13, 2026  
AutoCAD Technician - Highways
Senior Highway CAD Technician An opportunity has arisen for a Senior Highway CAD Technician with experience in highway design and CAD production to join a leading engineering and design consultancy in Central London. This role is primarily responsible for supporting the detailed design and delivery of highway engineering schemes, ensuring construction drawings, plans and schematics are produced accurately and in accordance with current design and engineering standards. The successful candidate will work across multiple transport and infrastructure projects while supporting the efficient delivery of schemes throughout London. Working within the highways design team your main duties include: ·Producing, reviewing and submitting highway and civil engineering design drawings ·Preparing detailed construction drawings, schematics and technical plans for highway schemes ·Producing Cycle Superhighway drawings and associated highway layouts ·Producing Traffic Management drawings in...
IR35 Status:
Unknown Status

CV-Library Greater London, UK Contractor
CL
Jun 19, 2026  
High Level Technician (Rolling Stock)
Job Title: High Level Technician (Rolling Stock) Job Location: Southwest London Hourly Pay Rate: £31.48 PAYE / £ 41.11 Umbrella Shifts: Minimum of 50 hours a week Shift Pattern: Panama . Days and nights Duration: On-going contract Start Date: ASAP Industries considered: Rail, Rolling Stock, RAF, REME, Army, Navy, Marine, Avionics, Rolling Stock, Commercial/Industrial Electrics, Defence, Plant Engineering, SPM, HVAC, and Process Engineering Disciplines considered: Diesel Engine Fitter, Electrical Engineer / Mechanical Engineer, Mechanic, Avionic Technician, Aircraft Engineer, Marine Engineer, Maintenance Fitter, and Breakdown Engineer Client Summary: A world-renowned Rolling Stock vehicle manufacturing, service and maintenance company and is the number one provider of rail solutions in the world. This prestigious company is also the largest rolling stock manufacturer and provider in the UK and...
IR35 Status:
Unknown Status

CV-Library South West London, London Contractor
CL
Jun 18, 2026  
Electronics Design Engineer - High Voltage (HV Design)
Electronics Design Engineer - High Voltage (HV Design) - Umbrella / PAYE Rate DOE - London - 12-Month Contract We are seeking an experienced Electronics Design Engineer with specialist expertise in High Voltage (HV) design to support the development of subsea power transmission equipment used in critical global infrastructure. This role has a strong focus on IEC (phone number removed) compliance, including HV creepage, clearance, and insulation coordination for systems operating up to 21kV DC. Working within a multidisciplinary engineering team, you will support the design, validation, and optimisation of advanced HV power converters and subsystems across the full hardware lifecycle. Key Responsibilities Design and develop high-voltage electronic subsystems for subsea power transmission equipment Apply IEC (phone number removed) principles covering creepage, clearance, and insulation coordination Resolve HV clearance challenges at system and switching level Support the full...
IR35 Status:
Unknown Status

CV-Library Greenwich, London Contractor
CL
May 21, 2026  
Mechanical Fitter
Mechanical Fitter – Water Industry We’re currently looking to recruit an experienced Mechanical Fitter to support works across a wastewater treatment site (Thanes Water Framework). This is a hands-on role working on installation, maintenance and refurbishment of mechanical equipment within live process environments. Duties: * Installation of mechanical equipment including pumps, valves and pipework * Working on water / wastewater treatment works and pumping stations * Carrying out maintenance, upgrades and refurbishment of plant * Reading and interpreting mechanical drawings and P&IDs * Working to RAMS and site H&S standards * Supporting commissioning and testing activities where required Requirements: * Proven experience as a Mechanical Fitter within industrial or water environments * Strong background working with pipework, pumps and valves * Ability to work from drawings and technical specifications * CSCS Card (or equivalent) *...
IR35 Status:
Unknown Status

CV-Library Richmond upon Thames, Greater London Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software