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 78 Outside IR35 25 Inside IR35 25
Refine by Categories
Engineering 74 Construction 21 Information Technology 17 Automotive 6 Manufacturing 5 Other 5
Management 3 Admin-Clerical 1 Education 1 Facilities 1 Media-Journalism 1 Telecommunications 1
More
Refine by Job Type
Contractor 128
mechanical engineer London

128 mechanical engineer jobs found in London

CL
Dec 11, 2025  
Mechanical Engineer/Plumber
X1 Mechanical Engineer (Level 3 Plumbing/Mechanical) - N18 We are seeking a skilled Mechanical Engineer with Level 3 Plumbing/Mechanical experience to join the maintenance team. This is a fantastic opportunity for a reliable, hands-on engineer looking to expand their expertise across a busy and diverse site. The role is Monday to Friday, 7am-4pm, and once fully familiar with the site, you will also take part in the on-call rota. Key Responsibilities: Planned Preventative Maintenance (PPM) across a range of mechanical systems AHU maintenance and FCU servicing Calorifier inspections and routine checks TMV maintenance and compliance tasks Boiler inspections and general mechanical plant support Support with L8 compliance duties Drainage work, including unblocking toilets and waste pipes Locating and repairing leaks and minor plumbing faults Ensuring all work is completed safely and to a high standard Ideal Candidate: Level 3 qualified in a Plumbing/Mechanical discipline...
IR35 Status:
Unknown Status

CV-Library North London, London Contractor
CL
Dec 05, 2025  
Mechanical Design Engineer
Join a forward-thinking organisation where your expertise as a Mechanical Design Engineer will shape the future of aviation. Our client, an established engineering, design and build contractor, is offering a 6-month contract role, outside IR35, to one skilled and experienced professional. This role initially requires the successful candidate to work on-site from their main Heathrow site; however, this will transition to a hybrid working arrangement after a short period of time. Join now to be the driving force for change across a variety of aviation projects, focusing on stages 4-5 of development. -Competitive day rate ranging from £400-£425 (depending on experience). -Initial on-site working arrangements, transitioning to Hybrid after a couple of months. Responsibilities: -Develop detailed mechanical system designs, from stage 4 to 5, from concept through to completion, ensuring alignment with client requirements. -Ensure all designs and works comply with relevant...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Dec 06, 2025  
Mechanical Design Engineer
Mechanical Design Engineer | Contract | 12 months | Inside IR35 | Onsite | Guildford Rate dependent on experience   Key Purpose of Job We are looking for a motivated Mechanical Design Engineer to support current and future flight spacecraft projects. You will support the design of new structures and the integration of sub-systems from concepts through to final designs. The role will include mechanical design, systems integration and build support activities. You work closely with project managers, system engineers, manufacturing and senior/ principal analysts. Key Tasks Design of components/ systems to fulfil customer requirements using 3D modelling tools and techniques Completion of manufacturing drawings to enable component procurement and support of manufacturing activities and inspections Documenting and implementing design changes using Engineering Change Notices Writing detailed assembly procedures and technical build information Undertake integration of the mechanical...
IR35 Status:
Inside IR35

CV-Library Guildford, UK Contractor
CL
Dec 11, 2025  
Mechanical Design Engineer
Our client, a Defence and Aerospace supplier is looking for a Mechanical Design Engineer to join them on a contract basis at their site in Brighton. Due to the nature of the role, applicants must be willing to undergo basic security checks ahead of starting. 4 days per week onsite in Brighton. Rates are open to discussion, OUTSIDE IR35. 3 month initial contract.KEY ACCOUNTABILITIES: Produce design schemes and proposals in response to specifications, under guidance of lead engineers / senior designers. Mechanical Engineering Calculations, Stress Analysis, Fluid Dynamics (FEA and CFD). Understand the requirement presented in Requests for Quotation - RfQ, Specifications, System Requirements Documents. Development of innovative, well engineered conceptual solutions and design proposals, and guide other engineers, designers and daughtspersons to produce detailed CAD design layouts and manufacturing drawings (SolidWorks) Guide and inspire other less experienced engineers. Technical...
IR35 Status:
Outside IR35

CV-Library Brighton, East Sussex Contractor
CL
Dec 09, 2025  
Mechanical Project Engineer
Urgent requirement for a Senior Mechanical Project Engineer or Mechanical Project Engineer to work for a leading Tier 1 MEP contractor. Ideally you will have a proven track record working in the Tier 1 or Tier 2 Mechanical & Electrical contracting space or alternatively Main Contracting. We need Mechanical Project Engineers or Seniors that have worked precon through to installation, delivery and completion. You will need to have worked either in the shell & core arena or Pharma/Lifesciences or Data Centres or Commercial fit-out. We have an assorotment of projects in C.London, typical values range from £20-£60m in MEP value. We are not adverse to candidates that are residentially led but these will need to be on large notbale mixed use developments Please do not hesitate in getting in touch to discuss
IR35 Status:
Unknown Status

CV-Library EC1A, Clerkenwell, Greater London Contractor
CL
Dec 11, 2025  
Mechanical Maintenance Engineer
Mechanical Maintenance Engineer  - Commercial Building - Vauxhall London - Immediate start - Ongoing  £25 Per Hour  An exciting immediate opportunity to join an established building services company based in Vuaxhall, London. CBW Staffing Solutions are currently recruiting for an Mechanical Maintenance Engineer to be based covering a commercial site in Vauxhall, London  He or she will be required to carry out planned and reactive building maintenance alongside the maintenance team. Hours of work Monday - Friday  08:00am - 17:00pm £25 per hour depending on experience  Temp on going  Key duties & Responsibilities Planned and reactive maintenance  HVAC Systems   Emergency lighting tests Control Panels Changing Ballast BMS System - Monitor (i.e. Hot & cold) Maintain and update Log books Plumbing - Unblocking toilets Pumps, motors Requirements Mechanically qualified City & Guilds - Level 2  Must be able to provide copies of your trade certificates A proven track record...
IR35 Status:
Unknown Status

CV-Library Vauxhall, London, UK Contractor
CL
Dec 05, 2025  
Mechanical Project Engineer
Freelance Mechanical Project Engineer – 12-Month Contract Location: Central London Duration: 12 Months Rate: Up to £400 per day We are seeking an experienced Mechanical Project Engineer to join a leading Main Contractor on a freelance basis for 12 month in Central London. The successful candidate will play a key role in delivering complex building services projects from design coordination through to installation and handover. Key Responsibilities Manage mechanical services packages including HVAC, public health, and associated systems. Coordinate with design consultants, subcontractors, and site teams to ensure technical compliance and quality standards. Review and approve technical submittals, drawings, and material specifications. Support project planning, cost control, and progress reporting. Conduct site inspections, witness testing, and ensure adherence to health & safety procedures. Liaise with clients and stakeholders to provide technical input and...
IR35 Status:
Unknown Status

CV-Library City of London, London, UK Contractor
CL
Dec 06, 2025  
Temp Day Shift Mechanical Maintenance Engineer
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
IR35 Status:
Unknown Status

CV-Library N18, Haselbury, Greater London Contractor
CL
Nov 20, 2025  
Hardware Test Engineer (Mechanical/Electrical)
Our client, an established globally regarded Aerospace component and systems manufacturer, requires an experienced Test Engineer to join their busy team on a temporary basis. during a peak in workload. This is an excellent opportunity to join a world-leading aerospace business and work hands-on with both mechanical and electrical testing activities. What you’ll be doing: * Testing and qualifying aerospace components to required standards * Supporting new product development with sample builds and test fixtures * Investigating test failures and reporting findings * Working across a range of tests including electrical connectivity, temperature, pressure and fluid resistance * Using equipment such as multimeters, digital transducers and tensile test machines * Maintaining a safe, organised, high-quality test environment What we’re looking for: * Degree-level technical background * Proven experience in product, mechanical or electrical testing (ideally both) * Strong...
IR35 Status:
Unknown Status

CV-Library SL1, Slough, Berkshire Contractor
CL
Dec 11, 2025  
Mechanical Design Engineer
Mechanical Design Engineer required for long term contract based in Stevenage. Skillset/experience required: Experience using Creo 3D design tool Knowledge of several of the following: Manufacturing processes Tolerance studies Environmental test Mass property calculations Material selection FMEA Design for Manufacture/Assembly Environmental Gasket Sealing Tooling/fixtures design Structural design Defence Standards Review processes Product Lifecycles Industrial validation An ability to work as part of a multifunctional engineering team and be able to partake in or host design reviews. An appreciation of other engineering areas/domains. Responsibilities: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies. Support/liaise with manufacturing, resolving manufacturing problems & defects. Support to functional & environmental testing and trials. Liaise with suppliers/purchasing to...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Nov 13, 2025  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit 3x Mechanical Design Engineer subcontractors on an initial 6 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Your base site can be either Stevenage or Bristol, depending on your preference Hybrid / Remote working: 4 days per week onsite and 1 day remote (flexible on start and finish time) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Oct 31, 2025  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit 3x Mechanical Design Engineer subcontractors on an initial 6 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.     Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: 4 days per week onsite and 1 day remote (flexible on start and finish time) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role you will have the opportunity to...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Sep 18, 2025  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit 3x Mechanical Design Engineer subcontractors on an initial 6 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.      Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Your base site can be either Stevenage or Bristol, depending on your preference Hybrid / Remote working: 4 days per week onsite and 1 day remote (flexible on start and finish time) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Aug 29, 2025  
Mechanical Design Engineer 2374-1
World Class Defence Organisation is currently looking to recruit 3x Mechanical Design Engineer subcontractors on an initial 6-month contract.   Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: 4 days per week onsite and 1 day remote (flexible on start and finish time) Contract: 37 Hours per week Overtime: x1.25 Duration: 6 Months (initially and then ongoing and long-term thereafter)   Mechanical Design Engineer Job Description: As a Mechanical Design Engineer, you will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role you will have the opportunity to undertake cutting-edge research of novel mechanical technologies to meet the challenges of tomorrow.   Responsibilities: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies. Support/liaise with manufacturing, resolving manufacturing problems & defects. Support to...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Dec 06, 2025  
Mechanical Design Engineer
JOB – Mechanical Design Engineer INDUSTRY – Consumer Product LOCATION – Saffron Walden CAD SYSTEM – SolidWorks RATE – £35-45ph TERM- 6 months+ HYBRID- Yes IR35 – Outside A truly innovative company looking for a Mechanical Design Engineer who’s proficient with SolidWorks for design assistance on a new product line, outside IR35 contract.   The successful Mechanical Design Engineer must have the following:  +5 years SolidWorks Consumer product design Mechanisms Sheet metal Plastic injection mouldingsIf this sounds like a Mechanical Design Engineer role you would be suited for, please apply now. Please note the successful Mechancial Design Engineer must have the right to live and work in the UK
IR35 Status:
Outside IR35

CV-Library Saffron Walden, UK Contractor
CL
Nov 28, 2025  
Mechanical Design Engineer ~ Defence Industry ~ 6 Month Contract
Experienced Mechanical Design Engineer ~ Defence Industry ~ 6 Month Contract Nicholas Howard are delighted to be recruiting for a Mechanical Design Engineer to join a leading Global Aerospace and Defence client, based in Bedfordshire. Experience of working within the defence industry working with Armoured Fighting Vehicles and associated systems (Survivability, Lethality, Structures, Communications, Sights and Sensors) is considered essential for this role. Must have in depth knowledge of CREO CAD and Windchill software and will ideally have experience of the design of military vehicle applications. The Mechanical Design Engineer will be responsible for carrying out the duties of the Engineering department, including design, prototyping, design proving, engineering documentation, and supporting calculations. This role demands a high level of innovative thinking and the ability to synthesise ideas into functioning and manufacturable products that are compliant to design...
IR35 Status:
Unknown Status

CV-Library Bedford, Bedfordshire Contractor
CL
Dec 07, 2025  
Project Support Engineer (rolling stock)
Job Title: Project Support Engineer Job Location: Southwest London Hourly Pay Rate: £37.48 PAYE / £49.01 Umbrella Shifts: Minimum of 50 hours a week Shift Pattern: 4 on 4off. 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 Position Summary: Reporting to the Engineering Manager, as part of a small technical team, you will be required to assist the Fleet Operator to undertake / supervise mechanical & electrical maintenance, detailed fault finding and repair on Rolling Stock Units. Successful applicants...
IR35 Status:
Unknown Status

CV-Library Wimbledon, London Contractor
CL
Oct 26, 2025  
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
Dec 07, 2025  
Exam Technician (Rolling Stock)
Job Title: Exam Technician Job Location: Wimbledon Hourly Rate: £25.60 PAYE / £33.36 Umbrella Hours Per Week: 44 Hours Duration: on going Start Date: ASAP Industries Considered: Aviation, Plant, Automotive, Rolling Stock, HGV, PCV, Marine and Armed Forces EX Electrical and Mechanical Engineers Position Summary You will be responsible for carrying out routine maintenance, repair and fault finding on large state of the art, electrical based vehicles. Take overall responsibility of vehicle examinations in line with vehicle maintenance instructions (VMI's). Undertake all types of maintenance examination work to ensure that we provide a safe, reliable, and defect free unit. Take responsibility for the safe, efficient and professional workmanship of oneself and others under your control. Undertake 'Designate Person' safety responsibility for applying Depot Protection System and ensure safe systems of work methods are applied. Key Responsibilities will include: *Undertake...
IR35 Status:
Unknown Status

CV-Library Wimbledon, London Contractor
CL
Dec 11, 2025  
Mechanical Supervisor
We are currently seeking an experienced Mechanical Supervisor to join a major water infrastructure project in Tonbridge Wells. This is an excellent opportunity for a proven leader within the water/utilities sector to oversee mechanical installation works on a live water treatment facility. Key Responsibilities * Supervise and coordinate mechanical installation works across the WTW site * Ensure all work is delivered in line with project specifications, safety standards, and programme * Manage subcontractors, ensuring quality, compliance, and productivity * Conduct toolbox talks, RAMS reviews, permits and daily briefings * Liaise closely with Site Management, Engineers, and Client representatives * Maintain high standards of documentation, reporting, and site records * Promote and uphold a strong health & safety culture across the mechanical team Requirements * SSSTS or SMSTS – essential * NVQ in...
IR35 Status:
Unknown Status

CV-Library Tonbridge, Kent 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
© 2008-2025 Powered by SmartJobBoard Job Board Software