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Contractor 173
Engineering Unknown Status Harefield

173 jobs found in Harefield

CL
Sep 13, 2026  
Paint Prepper
We're looking for a Paint Prep / Parts Preparation Technician to prepare manufactured parts and components for the painting and finishing process. You'll ensure parts are cleaned, inspected, masked, sanded and correctly staged so they meet quality standards and are ready for efficient painting. Location: Ruislip, London Hours: Monday to Friday, 7:00am-3:18pm Pay rate: £13.60 per hour Key Responsibilities for Paint Prepper: Prepare metal and manufactured parts for painting, coating, or finishing Clean, degrease, sand, grind, scuff and prepare surfaces as required Remove dirt, oil, grease, rust, scale, burrs and other contaminants Mask and plug areas that must not receive paint/coating Inspect parts for defects, surface imperfections and damage prior to painting Carry out minor surface repairs/corrections as needed Follow work instructions, drawings, specifications and production schedules Stage and identify parts for the paint department Load/unload, rack, hang or position...
IR35 Status:
Unknown Status

CV-Library Ruislip, London Contractor
CL
Sep 13, 2026  
Manual Miller - Late Shift
Manual Miller / Machinist  - Late Shift We are currently recruiting for a Manual Miller / Machinist  to work on a Late Shift 2pm to 10pm Monday to Friday to join a well-established manufacturing company based in Hayes. This role would suit someone with previous experience operating Manual MIlls' within a manufacturing or engineering environment who is looking to further develop their machining skills within a busy machine shop. The company is looking for someone with a good mechanical aptitude, strong work ethic and hands-on manufacturing experience who can be trained and developed within the role. Key Responsibilities Operate manual Milling machine and drilling machinery Assist with manual milling and machining operations Work from engineering drawings and production instructions Carry out basic inspection and quality checks Support general machine shop and production activities Maintain good housekeeping and workshop standards Work closely with production and engineering...
IR35 Status:
Unknown Status

CV-Library London Borough of Hillingdon, UK Contractor
CL
Sep 19, 2026  
Contract Senior Systems Engineer - Test
Senior Systems Test Engineer Location: Greenford, London Contract: 6 Months Working Pattern: Hybrid – 2–3 Days On Site Rate: £60.00 – £75.00 per hour Umbrella (Flexible) Security Clearance: Active SC Clearance Required The Role We are currently seeking a Senior Systems Test Engineer to support an advanced defence project, working within a multidisciplinary engineering team and focusing on systems integration, verification and testing across the full systems engineering lifecycle. This is an excellent opportunity for an experienced Systems Test Engineer with a strong background in requirements, system verification, integration and test to work on complex, safety- and mission-critical systems. Key Responsibilities Develop and execute system-level test and verification activities across the engineering lifecycle. Develop test strategies, test specifications, procedures and supporting documentation. Analyse system requirements and ensure they are fully verifiable and traceable...
IR35 Status:
Unknown Status

CV-Library Greenford, UK Contractor
CL
Sep 12, 2026  
Industrial Electrician
We are recruiting for an Industrial Electrician at Amersham Substation, HP6 5PE for 3 weeks starting 1st September. The work will involve glanding and terminating SWA cables and panel wiring. You must have industrial experience preferably have worked on substations and have EUSR Persons (National Grid qualification). * Rate: £29/hr * Hours: 45-50hrs per week. * Expenses: £75/night lodging allowance if you live over 50 miles from site Please contact Tim at Apex for further details Apex Resourcing Solutions is a recruitment business acting on behalf of this company
IR35 Status:
Unknown Status

CV-Library HP6, Amersham on the Hill, Buckinghamshire Contractor
CL
Sep 18, 2026  
Associate/Research Scientist - Upstream Process Sciences
A successful pharmaceutical company is looking for an Associate Scientist / Research Scientist to join its Drug Substance Process Sciences team and support the development of innovative biologics. This is a hands-on laboratory role focused on upstream process development, optimisation and characterisation, with exposure to mammalian cell culture, high-throughput platforms and bioreactor systems from microscale through to pilot scale. Key Responsibilities * Design and execute upstream process development studies. * Develop and optimise mammalian/CHO cell culture processes. * Operate shake flasks, Ambr® systems and laboratory-scale bioreactors. * Apply DoE and QbD approaches to process optimisation and characterisation. * Support scale-up, troubleshooting, technology transfer and manufacturing activities. * Analyse experimental data and communicate findings through reports and presentations. * Collaborate with Cell Line Development, Analytical Sciences,...
IR35 Status:
Unknown Status

CV-Library Slough, Berkshire Contractor
CL
Sep 03, 2026  
Electrical Control Panel Wirer
Electrical Control Panel Wirer Location: Heathrow Airport Pay Rate: £27.22 - £50.95 per hour Hours: Monday to Friday Contract: Long-term, ongoing Are you an experienced electrician with a strong background in reading electrical schematics and wiring industrial-sized control panels? We are currently looking for an Electrical Control Panel Wirer to join a long-term project at Heathrow Airport. This is a fantastic opportunity for an experienced electrician to secure long-term, consistent work at one of the world's busiest and most prestigious international airports, working as part of a major project at Heathrow. Requirements Proven experience wiring industrial electrical control panels Strong ability to read and work from electrical schematics Experience terminating cables into electrical control panels Valid ECS Gold Card / Gold JIB Card Relevant electrical qualifications and industry experience Must be eligible and suitable to obtain an airside pass Ability to work...
IR35 Status:
Unknown Status

CV-Library Slough, UK Contractor
CL
Aug 16, 2026  
Approved Electrician
Approved Electrician - Heathrow Airport Location: Heathrow Airport Duration: 2-Year Project Hours: Monday to Friday Pay: £27.22 - £50.95 per hour (PAYE) We're looking for an experienced Approved Electrician to join a major long-term project at Heathrow Airport. Requirements JIB Gold Card (essential) Previous experience working on conveyor systems, automation equipment, or large-scale industrialprojects Strong understanding of industrial electrical installations Ability to work safely and effectively in a fast-paced environment Reliable, professional, and committed to delivering high-quality work What's on Offer Competitive PAYE rates of £27.22-£50.95 per hour Monday to Friday working pattern Secure 2-year project Opportunity to work on a high-profile industrial installation at Heathrow Airport Long-term stability with a respected team If you're an experienced Approved Electrician with a JIB Gold Card and a background in industrial, automation, or conveyor installations,...
IR35 Status:
Unknown Status

CV-Library Slough, UK Contractor
CL
Aug 02, 2026  
Approved Electrician
Job Title: Approved Electrician Location: Heathrow Rate: £27.00 - £33.75 per hour MJM Industrial is seeking skilled and experienced Industrial Electricians with a background in automation for multiple high-profile, ongoing projects at Heathrow Airport. This is an excellent opportunity to join a tier-one M&E contractor delivering mission-critical infrastructure at one of the world's busiest airports. Please note: Applicants must provide a five-year checkable history to satisfy security clearance requirements. Key Details: Pay Rate: £25.00 - £33.75 per hour (enhanced rates available for night and weekend work) Payment Options: LTD Company, CIS, or Umbrella PAYE Certification Required: Valid JIB Gold Card only Requirements: Previous experience working within airports or automation environments Valid JIB Gold Card (essential) Flexibility to work both day and night shifts Five-year checkable UK work history (mandatory for full airside pass) Strong knowledge of safety...
IR35 Status:
Unknown Status

CV-Library Slough, UK Contractor
CL
Sep 19, 2026  
Clerk Of Works
Clear are currently seeking an experienced MEP Clerk of Works for an immediate start in Brent to work on a 20MW Date Centre Project fit out. Responsibilities : * Carry out regular MEP site inspections and walkdowns. * Provide a strong focus on electrical installation and quality. * Use existing commissioning knowledge to identify potential issues before systems reach the testing stage. * Ensure M&E works are installed, tested and ready for commissioning. * Produce inspection reports and provide regular progress updates. If you would like to be considered for the role, please follow the link below to apply and one of our specialist consultants, will be in touch
IR35 Status:
Unknown Status

CV-Library Brent, Greater London Contractor
CL
Sep 16, 2026  
Mobile Painter and Decorator
PRS are looking for an experienced Painter & Decorator to carry out painting and decorating works across the NHS , including 📍 Hertfordshire 📍 Stevenage 📍 Watford 📍 Location:  Radlett 🚐 Van & fuel card supplied 🕐 Monday–Friday | 8am–5pm 📅 Ongoing temporary position Role includes: • Painting and decorating across NHS properties • Preparing surfaces and carrying out quality finishes • Working across multiple locations within the NHS  • Van and fuel card provided If you're an experienced Painter & Decorator looking for ongoing work, Monday to Friday, get in touch today! Fantastic opportunity with a well-established company! 📩 To apply: Send your CV and a brief cover letter outlining your suitability to:(url removed)
IR35 Status:
Unknown Status

CV-Library Radlett, UK Contractor
CL
Sep 19, 2026  
JIB Approved Electrician IR LHR 2026
️⚡ HEATHROW’S NEXT BIG CHAPTER IS STARTING… ⚡✈️    JIB ELECTRICIANS & ECS IMPROVERS WANTED    MAJOR HEATHROW AIRPORT EXPANSION & NEW RUNWAY PROJECT    🚨 LONG-TERM WORK | DAYS & NIGHTS | PAYE 🚨    We’re building electrical teams for the next phase of major works at Heathrow Airport, with long-term opportunities available for experienced JIB Electricians and ECS Improvers.    This is your chance to secure a place on a major UK infrastructure project, working as part of large-scale M&E teams.    ⚡ WHO WE’RE LOOKING FOR⚡    🔌 JIB Electricians JIB Gold Card Strong commercial / industrial experience Large-scale construction experience preferred Reliable and professional    🦺 ECS Improvers Valid ECS Card Commercial electrical experience Good electrical installation knowledge Large project experience preferred    🔐 AIRSIDE CLEARANCE    Candidates must be able to obtain a Full Heathrow Airside Pass, including: Satisfactory criminal record...
IR35 Status:
Unknown Status

CV-Library Heathrow Airport (LHR), Hounslow, UK Contractor
CL
Sep 19, 2026  
Electrical Supervisor (PLUS OVERTIME)
Damicor are recruiting for Electrical Supervisor's at HEATHROW AIRPORT. Working on install/commercial and baggage projects. Day Shift 7:30am - 5pm, Monday to Friday  Plus Saturday Overtime   Due to the environment All Candidates must Hold the Following to be considered:- Compliant to live and work in the UK  Provide a full 5 Year Checkable working History  A clean Criminal Record DBS Check  JIB / ECS IPAF 3a & 3b Rates are inline with JIB Rates - Basic Rates, Overtime and M&E Bonus.  Minimum of 37.5 hours per week; once completed you will be entitled to the M&E supplement Bonus Scheme.  Candidates will be joining Damicor on a PAYE Direct employment basis, this will include all benefits PAYE has to offer including; 32 days paid holiday (incl BH), private health care and life / accident insurance. Apply now to discuss rates, uplifts, and upcoming start dates or contact Stacey Moulder directly on (phone number removed) / (url removed)
IR35 Status:
Unknown Status

CV-Library Heathrow Airport (LHR), Hounslow, UK Contractor
CL
Sep 19, 2026  
ECS/JIB Electrical Improver's
Damicor are recruiting for Electrical Improver at Heathrow Airport to work on a large Industrial Baggage Installation Project.    We are seeking Electrical Improver's with the following background: Baggage Installation Conveyor Installation Rail / Tunnel Works Heavy Works Positions Available: Labourer Improver Registered/Approved  Working Supervisor Due to the environment All Candidates must Hold the Following to be considered:- Compliant to live and work in the UK  Willing to obtain an Airside Pass Willing to apply for a DBS Check  JIB/ECS Card  IPAF 3a & 3b Rates are inline with JIB Rates - Basic Rates, Overtime and M&E Bonus.   Minimum of 37.5 hours per week; once completed you will be entitled to the M&E supplement Bonus Scheme.    Candidates will be joining Damicor on a PAYE Direct employment basis, this will include all benefits PAYE has to offer including; 32 days paid holiday (incl BH), private health care and life / accident insurance....
IR35 Status:
Unknown Status

CV-Library Heathrow Airport (LHR), Hounslow, UK Contractor
CL
Feb 15, 2026  
Mechanical Fitter
Mechanical Fitter Heathrow Airport £25.00 per hour Ongoing Days, Nights, Weekends Uplifts in place for nights and weekends. The Company MJM is currently recruiting experienced Mechanical Fitters to work at Heathrow Airport on a long-term basis. You'll be part of a skilled team responsible for maintaining the mechanical integrity of Heathrow’s critical infrastructure—keeping systems running efficiently in one of the world’s busiest airports. The Role As a Mechanical / Maintenance Fitter based at Heathrow, you will be responsible for maintaining automated systems to ensure maximum productivity, efficiency, and equipment availability. Your duties will include: * Maintaining automated systems to a high operational standard * Carrying out fault-finding, reactive repairs, and planned preventative maintenance * Diagnosing and resolving mechanical faults * Working collaboratively with colleagues to ensure smooth system performance About You * Proven experience...
IR35 Status:
Unknown Status

CV-Library TW6, Heathrow, Greater London Contractor
CL
Sep 17, 2026  
Electrical Improver
Our client who is a large mechanical and Electrical company require Electrical Improvers on a contract basis to join their team within Ealing area on a social housing contract to carry out emergency light repairs / battery replacements. You will need previous electrical knowledge and have your own vehicle and tools. 18th Edition 9 hours per day paid weekly. Immediate start
IR35 Status:
Unknown Status

CV-Library Ealing, Greater London Contractor
CL
Sep 18, 2026  
Assembly Operative
Assembly Operatives Based in Hemel Hempstead Potential of Day Shift and Night Shift Engineering/Manufacturing or Assembly experience We are currently recruiting for knowledgeable Assembly Operatives for our client based in Hemel Hempstead. As an Assembly Operative, you will ideally be able to demonstrate previous working history in a similar role and be able to work in Hemel Hempstead. Working with hand tools in a workshop environment. Pay rates up to £21.00 per hour. Apply today with a current CV! Assembly / Production Operatives / Fabrication / Machine Operator / Machine Operating / Assembly Operative Response Personnel Kim Banes Aimee McGrath REF: KB(phone number removed)
IR35 Status:
Unknown Status

CV-Library Hemel Hempstead, Hertfordshire Contractor
CL
Sep 18, 2026  
Gas Engineer
Subcontract Gas Boiler Installation Engineer Work with a Market-Leading Heating Company Location: Within your agreed local radius (average travel: 45 minutes) Type: Subcontractor – Self-Employed (3–5 days per week) Payment: Weekly pay Accepted: LTD Companies and Sole Traders About the Role We are recruiting subcontract gas engineers to install gas boilers for a well-established, market-leading heating company. All work is within the social housing domestic sector, with consistent projects available 3–5 days per week. Jobs are assigned via an online portal, tailored to your preferred working area. Full system training will be provided during onboarding. This is a great opportunity for professional gas engineers seeking guaranteed weekly work and flexibility close to home. What We Offer * Guaranteed weekly workload * Work allocated within your local region (average 45-minute travel) * Weekly pay * LTD Companies and Sole Traders accepted *...
IR35 Status:
Unknown Status

CV-Library High Wycombe, Buckinghamshire Contractor
CL
Sep 16, 2026  
Production Cell Leader
Production Cell Leader | High Wycombe | 3-Month Temp to Perm | £40,000pa: A really good opportunity has arisen for a Production Cell Leader to join a global high-tech manufacturer on a temp to perm basis. This is a fast turnaround hire, with my client looking to interview and start a Production Cell Leader as quickly as possible. You will lead a small team of electro-mechanical technician's who build and repair complex instrumentation.     On a day-to-day basis the Production Cell Leader’s responsibilities will be: Support leadership and development within the team. To help coordinate routine operations within the cell to meet agreed safety, quality, cost, delivery, and people skills objectives (SQCDP). To operate within Health & Safety standards. Lead 5s compliance via audits within the team. To operate within industry ISO standards TQM. Lead ESD compliance via audits within the team. Ensure weekly production schedules are met and achieve ‘On Time/Right First Time’...
IR35 Status:
Unknown Status

CV-Library High Wycombe, UK Contractor
CL
Jul 25, 2026  
Gas Engineer
Gas Installation Engineers – Ongoing Contract Work Example Recruitment Group Ltd Example Recruitment Group Ltd is partnering with a leading national heating contractor to recruit experienced, self-employed Gas Engineers for long-term installation work across the South Buckinghamshire & Berkshire area. They can offer both part-time and full-time opportunities with consistent, guaranteed workloads throughout the year. What’s on Offer * Earnings: approx. £400–£500 per day (price-work based) * Materials: fully supplied and delivered to site * Work Type: boiler installations, including swaps and system upgrades/conversions * Wiring: completed by a qualified electrician * Waste/Scrap: collected from site * Contract Length: ongoing * Payment: weekly pay (one week in hand) Requirements * Own van (plain or sign-written) * Gas Safe registration * In-date ACS qualifications * Calibrated flue gas analyser *...
IR35 Status:
Unknown Status

CV-Library High Wycombe, Buckinghamshire Contractor
CL
Sep 16, 2026  
Senior Highways Engineer (Projects & Infrastructure)
Our client is seeking an experienced Senior Highways Engineer to join their Highways team on a contract basis. This is an excellent opportunity for a well-rounded highways professional with experience across multiple service areas, including traffic management, parking, highway maintenance, and drainage. Key Responsibilities Lead on the design, delivery, and site supervision of both minor and major highway projects. Manage a varied workload across highways and infrastructure-related projects. Provide technical expertise across traffic management, parking services, highway maintenance, and drainage. Work independently to deliver projects and service outcomes. Engage effectively with a broad range of stakeholders, including senior leadership teams, elected members, contractors, and external partners. Support the successful delivery of highways services in line with organisational objectives and industry best practice. Requirements: A broad background across highways services,...
IR35 Status:
Unknown Status

CV-Library North West London, London Contractor
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