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
Refine by Categories
Engineering 135 Construction 76 Information Technology 24 Other 7 Manufacturing 6 Admin-Clerical 3
Automotive 3 Management 3 Customer Service 2 Design 1 Distribution-Shipping 1 Education 1 Facilities 1 Marketing 1 Science 1 Supply Chain 1 Warehouse 1
More
Unknown Status Contractor mechanical project engineer

260 mechanical project engineer jobs found

CL
Aug 21, 2026  
Mechanical Project Engineer
Project Engineer - Mechanical Bias (EA Project) Location: Kent Rate: £400-£450 per day (CIS/Self-Employed) Duration: 6-9 months, with potential extension Start: ASAP We are recruiting for an experienced mechanically biased Project Engineer to support the delivery of three Environment Agency projects along the River Medway in Kent. The programme primarily involves the refurbishment of heritage lock and sluice gates, alongside upgrades to associated water-control systems. The successful candidate will initially support the design and pre-construction stages before overseeing the specialist mechanical subcontractor during site delivery. About the Projects The works will involve the refurbishment and upgrade of Environment Agency water-control assets, including: * Heritage lock and sluice gate refurbishment * Mechanical gate-operating equipment * Actuators, gearboxes, drive systems and associated components * Hydraulic equipment and water-control systems *...
IR35 Status:
Unknown Status

CV-Library Maidstone, Kent Contractor
CL
Aug 12, 2026  
Senior Mechanical Project Engineer
One of London’s leading Building Services contractors is actively seeking a Senior Mechanical Project Engineer for a new landmark high rise residential scheme in South East London. This contractor is most prominent in commercial and residential sectors and are widely rapidly becoming one of the go to specialists in the industry, having built strong relationships with several of the tier 1 developers and contractors. As Senior Mechanical Project Engineer you will be number one on site overseeing the delivery of a £12m mechanical install, reporting directly to a Senior PM. This project is a flagship scheme for one of their longest standing clients, a market leading and widely recognised developer. Besides the chance to add a flagship project to your resume, this is a fantastic opportunity for an ambitious Engineer to fast track their career towards Project Manager level. With a lean management business model, this contractor will allow you to quickly climb the ladder and give you the...
IR35 Status:
Unknown Status

CV-Library Tower Hill, Greater London Contractor
CL
Jun 30, 2026  
Mechanical Process Project Engineer
Mechanical Process Project Engineer Pharmaceutical - Food and Beverage - Dairy & Nutrition Long Term Contract - Cork NIRAS are a specialist engineering consultancy; focussed on the design and delivery of advanced, process engineering driven projects, providing Project Management, Engineering Design, Project and Managed Service resources to the Brewing, Distilling, Food & Beverage and Pharmaceutical Manufacturing industries across Ireland and internationally. One of Europe's largest consulting firms NIRAS employs over 3000 permanent staff and over 25,000 experts across our network including its 4 offices in Ireland and 51 offices in 32 countries across the globe. Role Due to expansion and internal progression, NIRAS requires an experienced Mechanical Process Project Engineer to support one of our clients, a major food products producer in the delivery of process optimization, continuous improvement, and capital project initiatives on site at their state of the art...
IR35 Status:
Unknown Status

CV-Library Cork, County Cork Contractor
CL
Aug 23, 2026  
M&E Asset Surveyor / Building Services Engineer
TSA Surveying are currently working in partnership with a building services consultancy, who are looking for an M&E qualified individual to operate as an M&E asset surveyor on a series of court buildings in and around Dublin. The project in question requires a collection and condition survey of the mechanical and electrical assets across various sites. The client is looking for someone to start asap, with the work lasting as estimated 6 weeks in duration. We are looking for qualified M&E Asset Surveyors, or an individual with a prior background within MEP services, either for an FM provider, consultancy, or direct for a building owner, to carry out a room by room condition survey, including verification and lifecycle. All data will be collected on a tablet device utilising the consultants own in-house software.  If this role is of interest, please apply ASAP, as we are currently shortlisting for this role
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Aug 23, 2026  
HVAC Systems Engineer
HVAC Systems Engineer (Contract) – Renewable Energy Sector Overview We are seeking an experienced HVAC Systems Engineer to join a long-term renewable energy project, working remotely with occasional site visits. The successful candidate will lead the definition, specification, and design of complete HVAC systems, providing the technical framework that underpins 3D modelling, fabrication, and installation. This role is ideal for an engineer with strong analytical capability and a proven background in defining robust, efficient HVAC solutions within complex industrial or renewable environments. Key Responsibilities Define and develop complete HVAC system architectures for renewable energy facilities. Produce system definitions, equipment specifications, and design calculations (airflow, heat load, pressure drop). Determine design criteria, component sizing, and control strategies to ensure compliance with performance and safety requirements. Generate technical documentation...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Aug 22, 2026  
Pipe Stress Engineer
Pipe Stress Engineer required for short term contract role, working for a global engineering contractor based in Surrey. Candidates must have at least 5 years pipe stress experience working on large EPC and brownfield projects. 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 company engineering standards and procedures as well as...
IR35 Status:
Unknown Status

CV-Library KT22, Leatherhead, Surrey Contractor
CL
Aug 22, 2026  
Heavy Mechanical Technician - Rolling Stock
I am recruiting an experienced Mechanical Technicians to join a major rolling stock modification project in Burton-on-Trent. No previous rail experience is required. Job title: Heavy Mechanical Technician Job location: Burton-On-Trent Hourly pay rate: £22.50 Paye / £29.28 Umbrella Hours per week: Average 45 hours per week Shifts: Monday to Friday Days and Nights Industries considered: Rolling Stock, HGV, Plant, Agricultural Engineering, Aviation, Defence RAF, REME, Army, Navy, Marine, Avionics, and Process Engineering Disciplines considered: Diesel Engine Fitter, Mechanical Engineer, Mechanic, HGV Technician, Aircraft Engineer, Marine Engineer, Maintenance Fitter, and Breakdown Engineer Position Summary: This position will be completing heavy mechanical modifications of Rolling Stock Vehicles 221 and 170 units. You will be expected to complete tasks from written work instruction, including Mechanical strips and refits on components. You will also specifically work on...
IR35 Status:
Unknown Status

CV-Library Burton-On-Trent, Staffordshire Contractor
CL
Aug 22, 2026  
Commissioning Engineer
Commissioning Engineer Location: Farnborough or Central London 12 month contract We're recruiting for an experienced Commissioning Engineer to join a major UK infrastructure programme within the water and wastewater sector. Working across the full project lifecycle, you'll lead commissioning activities from design review and testing through to handover and client training. What You'll Be Doing Managing commissioning activities, including FAT/SAT testing, installation verification, troubleshooting, and system handover. Coordinating with design teams, suppliers, subcontractors, and site personnel to ensure safe, compliant project delivery. Producing commissioning documentation, progress reports, and training operational teams on new equipment and processes. What We're Looking For Proven commissioning experience within the water or wastewater industry, ideally working for a principal contractor. Strong understanding of mechanical and electrical systems, commissioning...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Aug 22, 2026  
Insulation Engineer
Insulation Engineer - Commercial Building - South London - Immediate start - On-going - £29 Per Hour   An exciting immediate opportunity to join an established building services company based in South London. CBW Staffing Solutions is currently recruiting an Insulation Engineer to cover a commercial site.  He or she will have a proven track record in insulation, ideally with experience on commercial sites.   Hours/Details: Monday to Friday 08:00am to 17:00pm On-going contract £29 per hour via umbrella Immediate start   Responsibilities: Install thermal insulation to pipework Measure, cut and fit insulation materials to specification. Read and interpret engineering drawings and insulation specifications. Maintain high standards of workmanship and health & safety compliance. Work effectively alongside mechanical and M&E installation teams. Ensure work areas are kept clean, safe and organised. Complete work within project timescales and quality standards. Requirements:...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 21, 2026  
Acoustics & Vibrations (A&V) Engineer
Our client, a prominent player in the rail sector, is currently seeking an experienced Acoustics & Vibrations (A&V) Engineer to join their team on a contract basis. This role offers the opportunity to work on significant international transport infrastructure projects, including metros, high-speed rail lines, and other complex systems. Key Responsibilities: Managing and leading A&V assignments within major projects in the UK and internationally, liaising with remote production sites such as SYSTRA France A&V team. Conducting airborne noise and ground borne noise and vibration impact assessments for rail operations and construction phases. Designing acoustics for stations, buildings, tunnel portals, and shafts with mechanised ventilation fans. Ensuring control of noise and vibration from mechanical and electrical equipment, and ensuring acoustic comfort in public and staff areas. Managing client relationships and collaborating with internal and external...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 21, 2026  
Commissioning Engineer - Datacentre - Belgium
Data Centre Commissioning Engineer Join the Team Powering the World's Digital Infrastructure We are partnering with a leading data centre specialist to recruit an experienced Commissioning Engineer to support the delivery of mission-critical facilities across the UK and EMEA. This is a fantastic opportunity to work on some of the most technically advanced hyperscale and colocation data centre projects in the market. As a Commissioning Engineer, you will be responsible for overseeing and executing commissioning activities across complex MEP systems, ensuring operational readiness and successful project handover. Key Responsibilities * Manage and conduct commissioning activities for critical data centre infrastructure. * Develop and review commissioning plans, scripts, and procedures. * Coordinate testing of electrical, mechanical, and BMS systems. * Oversee Level 1-5 commissioning processes. * Witness Factory Acceptance Testing (FAT), Site Acceptance Testing...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Aug 21, 2026  
Principal Mechanical Engineer
We are currently recruiting for an experienced Senior / Principal Mechanical Building Services Engineer to join a leading multidisciplinary engineering consultancy on a 12-month contract based in Cardiff or Swansea. This is an excellent opportunity to become part of a collaborative team delivering innovative mechanical building services solutions across a diverse portfolio of projects. You'll work on technically challenging schemes, engage with high-profile clients and contribute to the successful delivery of sustainable engineering solutions across multiple sectors. If you're looking for a role that combines technical leadership, client engagement and project delivery within a flexible working environment, we'd like to hear from you. The Role As a Senior / Principal Mechanical Building Services Engineer, you will take a leading role in the design and delivery of mechanical building services projects from concept through to completion. Working closely with multidisciplinary...
IR35 Status:
Unknown Status

CV-Library Swansea, UK Contractor
CL
Aug 21, 2026  
Process Engineer
A challenging opportunity has arisen at Glascoed for a Process Engineer working within a multi-disciplined team involved in the design, manufacture and support of new products. The role is responsible for the development of manufacturing processes from concept through to commissioning and qualification. Applicants must be able to demonstrate a proven capability in developing manufacturing processes including system integration. The successful applicant will be the first point of contact for process queries within the team. The successful applicant will have a strong background in manufacturing process development. They may also have knowledge of Non-Destructive Techniques (NDT) and Programmable Logic Control (PLC) Systems. Many processes involve the control of powders, liquids or slurries through pressing, casting or extrusion processes therefore knowledge of materials technology or fluids is desirable but not essential. In cases of no or limited materials technology...
IR35 Status:
Unknown Status

CV-Library Glascoed, Pontypool NP4, UK Contractor
CL
Aug 21, 2026  
Supplier Quality Manufacturing Engineer
As a Supplier Quality Manufacturing Engineer, your day will be filled with engaging interactions with suppliers, analysing data, and driving continuous improvement. You'll collaborate with cross-functional teams to ensure the highest quality standards are met, while fostering strong relationships with our valued suppliers. ***Travel to Germany 2-3 days per week will be required*** Responsibilities Lead Product Qualification Activities at Suppliers - Product and Process Qualifications (PPQs) Contain, manage and resolve Quality issues relating to supplier non-conforming components identified at supplier customer facilities, warehouses or customers globally. Manage suppliers to properly handle non-conformance issues. Assist with process improvements. Lead supplier root cause investigations and corrective actions through Problem Resolution process. Investigate and resolve manufacturing capability issues within the supply chain to ensure business continuity. Identify and support...
IR35 Status:
Unknown Status

CV-Library Warwickshire, UK Contractor
CL
Aug 21, 2026  
Piping Mechanical Engineer (Design)
Mechanical Piping Engineer (Design) For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you’re passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the organisation to work with. Role: Mechanical Piping Engineer Location: Daresbury Contract: Contract, 12 months Start Date: August 2026 Workscope We are seeking a Mechanical Piping Engineer...
IR35 Status:
Unknown Status

CV-Library Daresbury, Borough of Halton Contractor
CL
Aug 21, 2026  
Embedded Software V and V
Embedded Software V&V Engineer required for on site contract in Bristol Responsibilities: You will be responsible for the verification and validation activities on real-time systems application software for the next generation of Missile Systems. The role requires taking requirements, developing them into robust test cases, preparing and executing tests, capturing data, and delivering actionable feedback to project teams. You will have to draw upon your strong practical problem-solving skills, data acquisition expertise, and adaptability. Skillset/experience required: Essential Strong experience of V&V activities in an embedded software environment. Strong problem-solving skills Ability to work independently or as part of a team Good communication skills Good documentation skills Ability to turn requirements into structured test cases and procedures. Experience of working in a lab environment on an electro mechanical product running embedded software. Good working...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Aug 20, 2026  
PLM Data Migration Engineer – Engineering Data Migration
An exciting opportunity has arisen for an Engineering Data Engineer to join a leading aerospace organisation on an 18-month contract, supporting a major Product Lifecycle Management (PLM) transformation programme. This role is not a traditional cloud data engineering position. Instead, you'll take ownership of migrating engineering and product data, including CAD models, engineering drawings, Bills of Materials (BOMs) and technical documentation from legacy systems into a new PLM environment. We're particularly interested in candidates with experience in engineering, manufacturing or product data management who have worked with PLM systems such as Teamcenter, Windchill, ENOVIA or similar. Experience in aerospace, defence, automotive or other highly regulated engineering environments would be highly beneficial. You will take ownership of a dedicated data migration work package, ensuring engineering data is accurately assessed, prepared, cleansed and successfully migrated into a...
IR35 Status:
Unknown Status

CV-Library Slough, Berkshire Contractor
CL
Aug 20, 2026  
HV Plant CDAE
HV Substation Design Approval Engineer (Contract) Responsibilities Act as the technical authority for reviewing and approving high-voltage and extra-high-voltage substation design packages. Ensure primary electrical designs comply with applicable transmission standards, project specifications, and engineering best practice. Review, verify, and approve engineering drawings, calculations, technical reports, and design documentation before submission. Lead the delivery of primary plant designs for AIS, GIS, and HV substations throughout the project lifecycle. Produce and review general arrangement drawings, equipment layouts, section drawings, and associated technical documentation. Manage design revisions, assess engineering changes, and ensure all modifications are accurately documented and technically justified. Review vendor documentation and confirm selected equipment is suitable for the intended application. Participate in technical design reviews, constructability workshops,...
IR35 Status:
Unknown Status

CV-Library Stafford, Staffordshire Contractor
CL
Aug 20, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Contract Length: 3 to 6 Months with a potential to go permanent Location: Oakley, Bedfordshire (3 days onsite a week) About the Role In this role, you will be heavily involved in the entire product development lifecycle-from early conceptual design and prototyping to integration, verification, and testing. If you have a passion for electric propulsion, eVTOL applications, and creating zero-compromise engineering solutions, we want you on our team. What You Will Do Design & Innovate: Drive day-to-day CAD design activities using CAE, CAD, and CAM tools to develop innovative product concepts, prototypes, and metallic/composite components. Integrate Next-Gen Tech: Support payload and propulsion system integration (including all-electric and eVTOL applications). Work closely with the aircraft concepts team to assess performance impacts and drive aircraft-level optimization. Own the Lifecycle: Contribute to design, integration, verification, and...
IR35 Status:
Unknown Status

CV-Library Bedfordshire, UK Contractor
CL
Aug 19, 2026  
Air Conditioning Engineer
AC Engineer - We are currently looking for AC engineers to to join a 3-month Mechanical project, at a static site in Canterbury. This work will be an ongoing contract for the right candidates, working across parts of London and the Southeast region. The work will consist of: General AC maintenance. AHU, FCU, and filter cleaning.  Repairs and PPM Surveys Ventilation works and ideally ductwork also Monday-Friday, 8 hours per day. Pay: £275 per day(CIS) Vehicle and tools required. Requirements NVQ Level 2 in air conditioning or equivalent F-GAS If you are interested in the position, please apply or contact Matt Bees at TXM Recruit. IND2
IR35 Status:
Unknown Status

CV-Library Blean, UK 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