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Contractor 29
Engineering Outside IR35 site engineer

29 site engineer jobs found

CL
Jun 18, 2026  
CNC Programmer
Are you an experienced CNC Programmer? Do you have strong Offline Programming experience within precision manufacturing environments? If so, a global leader within the Aerospace sector is looking to take on board an experienced CNC Programmer on an Outside IR35 contract basis! CNC Programmer Outside IR35 Contract ASAP Start Derby CNC Programmer Job Description: Creating CNC Routing / Turning / Milling programs to support fast turnaround AOG and concession orders on a daily basis Offline programming of CNC machines using ALPHA CAM or equivalent CADCAM software Supporting day-to-day engineering requirements across manufacturing operations Working closely with Group & Site Engineers and Programmers to support production and development activities Understanding, troubleshooting and improving NC programs to maximise efficiency and productivity Identifying continuous improvement opportunities across machining and programming activitiesCNC Programmer Essential...
IR35 Status:
Outside IR35

CV-Library Derby, UK Contractor
CL
Jun 20, 2026  
Power Electronics Engineer
An exciting new contract opportunity for a Power Electronics Engineer on a 6 months contract, Outside IR35. Power Electronics Engineer: Support and review the design of the DC‑DC conversion stage of an on‑board power electronics module to prototype readiness. Support testing and verification activities on existing prototype hardware, with the understanding that there is limited scope to influence the established architecture. Provide technical guidance to mechanical and PCB design engineers developing an integrated power electronics unit, combining PFC and DC‑DC stages into a compact, robust, and manufacturable solution. Demonstrated hands‑on experience with the bring‑up and verification of high‑voltage power electronics, including: Safe working practices Appropriate control, measurement, and diagnostic techniques Ability to identify, prioritise, and investigate functional issues within complex power electronics systems, driving issues through to resolution. Required Experience:...
IR35 Status:
Outside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Jun 20, 2026  
Senior Electrical Engineer
Location: West Wales This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. Our client will consider applicants for either a staff or contract position – for a contractor the role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and be able to size equipment and perform cable sizing calculations * Participation...
IR35 Status:
Outside IR35

CV-Library Burton Ferry, Pembrokeshire Contractor
CL
Jun 20, 2026  
Senior Electrical Engineer (hybrid working)
Senior Electrical Engineer – Contract – Remote Location: Remote / Hybrid Location: Hybrid This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical and Renewable Energy sectors. Our client can accommodate a hybrid working pattern with alternate weeks wfh / in the office in West Wales. The role will be outside IR35. Role & Responsibilities * Undertake design and checking of deliverables according to discipline and area of expertise. * Checking the quality of subcontractor design work to ensure compliance with agreed client design specifications. * Preparation and checking of deliverables including drawings, schedules, datasheets, specifications, (input to control philosophies and narratives if applicable). * Must understand wiring diagrams, control logic diagrams, system descriptions, system calculations, 1-line and 3-line AC drawings, AC & DC schematics, and...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jun 19, 2026  
Maintenance Engineer -OUTSIDE IR35 - £37ph Manufacturing
Maintenance Engineer Kent Contract Maintenance Engineer required in Ashford, Kent for a leading international manufacturer. This is an excellent opportunity for an experienced engineer with a strong background maintaining machinery within a manufacturing or FMCG environment. Location: Near Ashford, Kent Rate: £37 per hour (Outside IR35) Hours: Monday to Friday, 42.5 hours per week Duration: Ongoing Contract Industry: FMCG / High-Speed Packaging Manufacturing This Contract Maintenance Engineer position offers the chance to join a well-established business with a friendly and supportive team culture. The site is highly automated and requires an engineer who can confidently maintain production machinery, respond to breakdowns, and carry out planned maintenance activities. Benefits £37 per hour Outside IR35 Monday to Friday working pattern Overtime available Friendly and supportive engineering team Modern manufacturing environment Opportunity to further develop technical...
IR35 Status:
Outside IR35

CV-Library Ashford, Kent Contractor
CL
Jun 19, 2026  
Senior EICA Engineer
A leading engineering contractor is seeking an experienced Senior EICA Engineer to support a growing portfolio of water sector projects across the UK. This role offers flexible hybrid working, with the expectation of attending a Manchester office and project sites as required. This is a long term contract position, and can be outside ir35.  The Role Reporting to the Project Lead Engineer, you will play a key role in delivering high-quality Electrical, Control, Instrumentation & Automation (EICA) design solutions across major water frameworks. Key Responsibilities Deliver cost-effective design documentation aligned with client specifications and project requirements Produce outline and detailed EICA designs for water sector projects Conduct site surveys and provide technical input during project lifecycle Attend Factory Acceptance Tests (FATs) and produce detailed reports Review and ensure compliance of subcontractor designs Prepare, check, and approve engineering...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Jun 19, 2026  
EC&I Engineer
EC&I Engineer - 12 Month Contract Birmingham / Hybrid Working Are you an EC&I Engineer who enjoys working across the full project lifecycle? Do you have experience taking projects from front-end studies through to commissioning? Are you comfortable working in highly regulated industrial environments where safety and compliance are critical? What's in it for you? •£55 per hour • Outside IR35 contract • 12 month contract • Hybrid working - based in Birmingham or home • Long-term, technically challenging industrial project • Opportunity to work across concept, design and commissioning phases What will you be doing? • Supporting EC&I engineering activities across the full project lifecycle • Delivering front-end engineering studies and concept designs • Producing detailed EC&I design documentation • Supporting HAZOPs and other safety reviews • Working closely with multidisciplinary engineering teams • Supporting commissioning and on-site...
IR35 Status:
Outside IR35

CV-Library Birmingham, UK Contractor
CL
Jun 19, 2026  
Manufacturing Engineer
We are supporting a leading engineering and manufacturing business that delivers specialist solutions across the aerospace, power generation, rail, and oil & gas sectors. Due to continued growth, they are looking for an experienced Manufacturing Engineer to join the team on an initial 8-month contract basis. This is an excellent opportunity to work within a highly technical electro-mechanical manufacturing environment, supporting both existing production and new product introduction activities while driving Lean and Continuous Improvement initiatives across the business. The Role Working closely with Operations, Supply Chain, and Design Engineering, you will provide hands-on manufacturing engineering support across production cells, helping improve process efficiency, reduce waste, and support the introduction of new products and manufacturing methods. Key Responsibilities Support production and manufacturing cells with day-to-day engineering activities Drive Lean...
IR35 Status:
Outside IR35

CV-Library Ashford, Surrey Contractor
CL
Jun 17, 2026  
Mechanical Engineer
Mechanical Engineer Contract Aldermaston SC / DV Clearance Required Are you a Mechanical Engineer with experience supporting complex engineering projects within highly regulated environments? Do you enjoy producing technical documentation, engineering calculations and supporting projects from concept through to delivery? Would you like to work for a growing SME delivering specialist packages of work directly into AWE? What's in it for you? • ~ £60p/h DOE • Outside IR35 • Long term project work • Opportunity to work with a specialist engineering SME supporting AWE projects • Overtime opportunities available What will you be doing? • Producing mechanical engineering documentation and design deliverables • Supporting concept, scheme and detailed design activities • Carrying out engineering calculations, assessments and technical reports • Supporting project delivery across design, manufacture, installation and testing activities • Attending project meetings and design...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Reading RG7, UK Contractor
CL
Jun 17, 2026  
Mech QA Engineer
Project Details: 6 month contract Data Centre Fit out hall Starting Middle JunePackage: Circa £450 per day all-in rate, Outside IR35 Monday to Friday working pattern 10-hour working daysKey Responsibilities: Carry out mechanical QA/QC inspections across the project Ensure all installations are completed in line with project specifications, industry standards, and quality requirements Review and complete inspection test plans (ITPs), check sheets, and quality documentation Conduct inspections on mechanical systems including HVAC, pipework, ductwork, and associated services Identify non-conformances and support resolution processes Liaise closely with site teams, subcontractors, and client representatives Support commissioning and handover activities where required Maintain accurate QA/QC records and reporting throughout the project lifecycle Other Details Outside IR35 Need to have exp managing subcontractors / technical documentation etc Predominantly plant and equipment install
IR35 Status:
Outside IR35

CV-Library Slough, Berkshire Contractor
CL
Jun 17, 2026  
Project Manager
Astute is partnering with a renewable energy business in the anaerobic digestion sector who're looking for a Project Manager / Project Engineer on a 6-month contract to manage a small programme of works on an operational biogas site. The Project Manager / Project Engineer role comes with a day rate of up to £400 (Outside IR35). I'm particularly interested to speak to people with electrical or mechanical commissioning experience. Key skills Managing a programme of works around the commissioning of a CO2 recovery system Managing contractors on site, ensuring they're delivering as per the scope Ensuring the project is tracking on time and on budget Project administration duties, including progress reporting, documentation updates, meeting coordination, and maintaining accurate commissioning and project records. Location, remuneration and timeframe of the Contract Project Manager role Dungannon Outside IR35 Immediate Start Up to £400 a day (Ltd)Astute People are acting as an...
IR35 Status:
Outside IR35

CV-Library Dungannon, County Tyrone Contractor
CL
Jun 17, 2026  
Contract Mechanical Maintenance Engineer
Job Title: Contract Mechanical Maintenance Engineer Location: Reading area, Berkshire Rate: £36–38 per hour, Limited Company outside IR35scope Job Type: Contract,  2 months ongoing initially, potential to extend Rotating Shifts: Primarily Monday to Friday – 9-hour  shifts rotating Client: Manufacturing, Immediate hire for ongoing maintenance support The Opportunity: Contract Mechanical Maintenance Engineer We’re recruiting for an experienced Contract Mechanical Bias Maintenance Engineer to provide hands-on mechanical maintenance support within a busy, automated production and packaging environment. This is a great opportunity to join a market-leading manufacturing business with a strong reputation for quality, innovation, and reliability. This client needs… ✔ Strong multi-skilled mechanical fault diagnosis ✔ Experience with conveyors, motors, pneumatics, drives, sensors, presses, hoppers, silos  & basic  Electrical PLCs ✔ Preventive maintenance ✔ Quick turnaround...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Jun 16, 2026  
Lead Electrical Design Engineer
Lead Electrical Design Engineer 12 month contract £65-£75 per hour Outside IR35 Reading - Hybrid This role sits within a specialist engineering team responsible for developing electrical designs from early feasibility through to construction and handover support. It's a key technical position with ownership of design delivery and coordination across multiple stakeholders. Essential requirements: Experience in electrical engineering design within power, utilities or infrastructure environments Ability to produce and review electrical design documentation and calculations Good understanding of UK electrical standards and utility interface requirements Experience working with project teams, contractors and engineers Comfortable supporting projects through design, construction and delivery stages Desirable: Experience within substations, power distribution or HV environments Background in energy, utilities or large-scale industrial projects Exposure to site support and...
IR35 Status:
Outside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 14, 2026  
Lead Electrical Engineer
An exciting opportunity has arisen for a Lead Electrical Engineer to take ownership of the electrical scope across multiple major water frameworks. This role will suit an experienced engineer capable of leading technical delivery, managing teams, and ensuring high-quality engineering outputs across all design and delivery stages. You will play a key role in driving engineering excellence, coordinating multi-disciplinary interfaces, and supporting project teams across a range of UK water infrastructure schemes. This is a long term contract, outside ir35.  Key Responsibilities Lead delivery of the electrical engineering scope across multiple projects Manage schedules, MDRs, change control, reporting, and technical coordination Delegate and oversee work packages within the electrical team Support estimating activities including CTR development Provide technical leadership across all deliverables, including: Basis of Design Power systems, earthing, lightning, load & cable...
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Jun 13, 2026  
Senior Electrical Engineer
We are supporting a leading UK energy developer delivering large-scale grid-connected infrastructure projects, who are seeking an experienced Electrical Project Engineer to join on an initial 12 month contract. The role sits within an Owner’s Engineer function and will focus on providing electrical engineering oversight across design and construction phases of major power projects. This includes review and verification of contractor designs, supporting key electrical studies (fault level, protection coordination, earthing, and grid compliance), and contributing to the specification and procurement of primary electrical equipment such as transformers and switchgear. You will also be responsible for coordinating electrical design inputs across multiple contractors, managing technical interfaces, and ensuring all engineering deliverables are aligned, controlled, and delivered in line with programme requirements. The role will include regular engagement with site teams during...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 11, 2026  
Senior Project Engineer
ADDISON PROJECT PLC – Senior Project Engineer, Thornton-Cleveleys 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 place for you. Role: Senior Project Engineer (Contract outside IR35) Location: Thornton-Cleveleys Contract: 12 months Start Date: Spring 2026 WORKSCOPE Addison...
IR35 Status:
Outside IR35

CV-Library Thornton-Cleveleys, Lancashire Contractor
CL
May 12, 2026  
BMS Commissioning Engineering
BMS Commissioning Engineer, Tridium, Trend or Siemens Immediate start 4 - 6 month contract £300 - £360 per day Our client requires an accomplished BMS Commissioning Engineer with Tridium, Trend or Siemens Building Management Controls experience to join their team on either a project in London or a site in Hertforshire . There are several roles and projects currently available in: the City, East London and also in Hertfordshire, the best site would depend on your location and experience for each project. This is on a contract basis and will initially run for 4 to 6  months. To start immediately and is likely to be extended on a rolling basis.  This position could also be as the Lead Commissioning Engineer if you have the right experience and the rate would then reflect this. Key skills required:- Experienced in the Commissioning of Building Management Systems ( BMS ) Qualified and experienced with Tridium ,Trend or Siemens Control systems. CSCS Skill Card or equivalent is...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 21, 2026  
HGV Technician / Engineer / Mechanic (Contractor) - Glasgow
Role: HGV Technician / HGV Mechanic / HGV Engineer (Contractor) Location: Glasgow Rate: £34.00 - £35.00 per hour Contract Type: Freelance Contractor IR35 Status: Outside IR35 Shifts Available: Days & Nights Experienced HGV Technicians Wanted Excel Resourcing is recruiting experienced HGV Technicians, Mechanics and Engineers for ongoing contractor assignments with leading fleet operators, logistics companies and commercial vehicle workshops across Scotland. We have long-term contracts available for skilled engineers looking to maximise their earnings while enjoying the flexibility of contract work. What You'll Be Doing * Carrying out servicing, maintenance and repairs on HGV fleets * Diagnosing and repairing mechanical, electrical and hydraulic faults * Conducting inspections and preventative maintenance * Fault finding using diagnostic equipment * Repairing engines, gearboxes, braking systems, suspension and electrical components * Completing work in line with DVSA...
IR35 Status:
Outside IR35

CV-Library Glasgow, Glasgow City Contractor
CL
Jun 21, 2026  
HGV Technician / Engineer / Mechanic (Contractor) - Manchester
Role: HGV Technician / HGV Mechanic / HGV Engineer (Contractor) Location: Manchester Rate: £34.00 - £35.00 per hour Contract Type: Freelance Contractor IR35 Status: Outside IR35 Shifts Available: Days & Nights Experienced HGV Technicians Wanted Excel Resourcing is recruiting experienced HGV Technicians, Mechanics and Engineers for ongoing contractor assignments with leading fleet operators, logistics companies and commercial vehicle workshops across Manchester. We have long-term contracts available for skilled engineers looking to maximise their earnings while enjoying the flexibility of contract work. What You'll Be Doing * Carrying out servicing, maintenance and repairs on HGV fleets * Diagnosing and repairing mechanical, electrical and hydraulic faults * Conducting inspections and preventative maintenance * Fault finding using diagnostic equipment * Repairing engines, gearboxes, braking systems, suspension and electrical components * Completing work in line with...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Jun 21, 2026  
HGV Technician / Engineer / Mechanic (Contractor) - Sheffield
Role: HGV Technician / HGV Mechanic / HGV Engineer (Contractor) Location: Sheffield Rate: £34.00 - £35.00 per hour Contract Type: Freelance Contractor IR35 Status: Outside IR35 Shifts Available: Days & Nights Experienced HGV Technicians Wanted Excel Resourcing is recruiting experienced HGV Technicians, Mechanics and Engineers for ongoing contractor assignments with leading fleet operators, logistics companies and commercial vehicle workshops across Sheffield. We have long-term contracts available for skilled engineers looking to maximise their earnings while enjoying the flexibility of contract work. What You'll Be Doing * Carrying out servicing, maintenance and repairs on HGV fleets * Diagnosing and repairing mechanical, electrical and hydraulic faults * Conducting inspections and preventative maintenance * Fault finding using diagnostic equipment * Repairing engines, gearboxes, braking systems, suspension and electrical components * Completing work in line with...
IR35 Status:
Outside IR35

CV-Library Sheffield, South Yorkshire Contractor
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