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Contractor 21
Engineering Inside IR35 Loughton

21 jobs found in Loughton

CL
Aug 22, 2026  
Rail LUL Electrician
Are you an LU BTA Electrician with experience working on London Underground? Do you have experience with cable installation, containment, or CRMS works? Job Title: LU BTA Electrician Location: Various sites across London Underground Rate: £250 per day (Inside IR35 / CIS) Contract: 3-Month Rolling Contract Shift Times: 12:00am-04:00am Start Date: ASAP This is an opportunity to support a major London Underground upgrade programme, delivering cable route management and electrical installation works across the London Underground network. Where you will add value ·Installing CRMS (Cable Route Management System) and associated containment ·Running and terminating electrical cables ·Supporting electrical installation teams during planned possessions ·Maintaining high standards of safety and workmanship ·Assisting with testing, commissioning, and installation activities ·Working collaboratively with supervisors and construction teams To succeed in this role, you will need...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 22, 2026  
Rail OPO Telecoms Construction Manager
Are you a Construction Manager with experience delivering telecoms / OPO works london underground infrastructure? Do you hold LU BTA? Job Title: Telecoms Construction Manager Location: London Underground Rate: £400-£450 per day (Inside IR35 / CIS) - Via Umbrella Provider Contract: 3-Month Rolling Contract Start Date: ASAP This is an opportunity to join a major London Underground infrastructure programme, supporting the delivery of telecoms and electrical upgrade works across the London Underground network. Where you will add value ·Managing day-to-day construction activities across Deep Tube work sites ·Coordinating telecoms, OPO, and electrical installation teams ·Ensuring works are delivered safely, efficiently, and to programme ·Managing subcontractors, supervisors, and operational interfaces ·Supporting possession planning, reporting, and stakeholder coordination ·Maintaining compliance with London Underground standards and procedures To succeed in this role, you...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 22, 2026  
Rail LUL SPC Electrician
Are you an ECS-approved Electrician with SPC (Site Person in Charge) certification? Do you have experience delivering electrical installation works within London Underground environments and hold LU BTA? Job Title: SPC Electrician Location: Various sites across London Underground Rate: £350 per day (Inside IR35 / CIS) Contract: 3-Month Rolling Contract Shift Times: 12:00am-04:00am Start Date: ASAP Are you an ECS-approved Electrician with SPC (Site Person in Charge) certification? Do you have experience delivering electrical installation works within rail or London Underground environments? This is an opportunity to join a major London Underground infrastructure programme, supporting critical installation and upgrade works across the London Underground network. Where you will add value ·Acting as SPC for electrical installation activities on works ·Supervising safe delivery of cable installation and CRMS works ·Carrying out electrical installation, testing, and...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 19, 2026  
Senior Engineer
Senior Engineer Aviation | Night Shifts | Freelance | Inside IR35   Are you a Senior Engineer with genuine main contractor experience, strong setting-out/site delivery knowledge and the right tickets to take ownership of night-shift works?   We're currently looking for an experienced Senior Engineer to join a long-term freelance project within an aviation environment, working full-time nights through to the end of the year.   THE OPPORTUNITY  This is a great opportunity for a Senior Engineer who is comfortable working on night shifts and has a proven track record of delivering works for a main contractor.   You'll be working as part of an established delivery team, helping ensure works are completed safely, accurately and to programme throughout the night.   The role is expected to run through to the end of 2026, offering excellent continuity for the right candidate.   WHAT YOU'LL NEED To be considered, you'll need: - Proven Senior Engineer experience within a main...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 21, 2026  
Data Science
Job Title: Senior Data Scientist Contract Type: Fixed Term (6 Months) Working Pattern:3 days per week in office Location: London, UK (Farringdon) Pay: £500 to £750 per day Inside IR35 Are you ready to dive deep into the world of data and transform complex business challenges into actionable insights? Our client, a leading organisation in the retail industry, is on the lookout for an enthusiastic and skilled Senior Data Scientist to join their innovative team! About the Role: As a Senior Data Scientist, you will play a pivotal role in harnessing the power of data to drive strategic decisions across various domains-ranging from online services and pricing to supply chain management and marketing. Key Responsibilities: Hands-On Analysis: Leverage your analytical mindset to tackle complex business problems and prototype effective solutions. Algorithm Design: Apply, modify, and design advanced algorithms and mathematical models to extract meaningful insights from large data sets....
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Aug 26, 2026  
Senior Storage Migration Engineer
Job Title: Senior Storage Migration Engineer Location: Fully Remote (UK based) Rate: £765 per day, inside IR35 (dependent on experience) Duration: 3 months Tec Partners are working with a world-leading technology client who are currently looking for an experienced Senior Storage Migration Engineer, to work on assignment with a financial services customer. As a Senior Storage Migration Engineer, you will be working alongside the customer team on a NetApp ONTAP to Pure Storage FlashBlade migration and cutover project (NAS data), providing specific expertise in FlashBlade provisioning and DobiMigrate operation. Requirements: * Prior NetApp to FlashBlade migration and cutover project experience * Strong Pure Storage FlashBlade experience * Strong DobiMigrate experience * Working knowledge of NetApp ONTAP, Identity/permissions (AD, LDAP, Kerberos), networking/DNS – ability to ask the right questions and validate customer input, without expertise/execution required * Cutover...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 23, 2026  
Principal Mechanical Engineer
Principal Mechanical Engineer Hybrid with occasional visits to the office Location - Manchester OR London OR Newcastle OR Glasgow Contract role - 6 months rolling Inside IR35 - £58 / hour Umbrella A Principal Mechanical Engineer is required to join a design consultancy on a 6-month rolling contract. The role is hybrid and predominantly home based, but you must be willing to occasionally travel to either Manchester, London, Newcastle or Glasgow (dependent on your location). This role will be working in the Energy Transition industry working on low-carbon projects from early-stage development through construction, operation and eventual decommissioning, currently focusing on power plant projects. Responsibilities Developing cost-effective, practical mechanical engineering solutions to complex problems Producing calculations, equipment specifications and datasheets for turbines, compressors, pumps, pressure vessels and heat exchangers Collaborating with process engineers on...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 21, 2026  
Senior Civil Engineer
Senior Civil Engineer - Drainage Design Remote (1 Day Per Month in London) £42-£48 per hour 6-Month Contract | Inside IR35 An exciting opportunity has arisen for an experienced Senior Civil Engineer to join a leading engineering consultancy delivering a diverse range of infrastructure and development projects across the UK. This Senior Civil Engineer role is ideal for someone with extensive experience in drainage design who enjoys taking projects from concept through to detailed design. You'll be responsible for producing hydraulic calculations, flood risk assessments and drainage strategies while liaising with key stakeholders including water companies, the Environment Agency and Lead Local Flood Authorities. The successful Senior Civil Engineer will work predominantly remotely, with just one day per month required in the London office, making this an excellent opportunity for experienced drainage engineers seeking greater flexibility. The Role As a Senior Civil Engineer,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 21, 2026  
Quality Performance Test Engineer
Hays are now looking for a Quality Engineer / Performance Tester for one of our local clients: £310 p/d Inside IR35 3 days p/w in the office, 2 WFH Location is one of either London, Manchester or Leicester We're looking for strong experience in performance and non-functional testing to support the delivery of large-scale digital services. The role will focus on ensuring applications are scalable, reliable and performant through a combination of performance testing, API testing and quality engineering practices. What you'll be doing Design, develop and execute performance, load, stress and endurance testing activities. Build and maintain JMeter test scripts and performance test frameworks. Perform API testing and validate system behaviour under varying loads. Analyse performance metrics, identify bottlenecks and provide recommendations for improvement. Work closely with developers, architects and delivery teams to resolve performance issues. Support CI/CD pipelines and integrate...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Aug 21, 2026  
Section Engineer
Are you an experienced Section Engineer with a strong background in heavy civil engineering and major infrastructure projects? Do you have experience delivering pipe jacking, earthworks, and deep drainage? Location: West Ruislip - 5 days on site Rate: £475 - £525/day DOE - Umbrella, Inside IR35 Duration: Nov 2027 This is an excellent opportunity for an experienced Section Engineer to join one of the UK's largest infrastructure projects, working on the delivery of earthworks, deep drainage and pipe jacking on HS2. Working closely with the Agent and Sub Agent, you will take responsibility for the day-to-day coordination of construction activities, ensuring works are planned, executed safely and delivered in line with programme requirements. You will play a key role in managing subcontractors, temporary works, permits and quality assurance while maintaining the highest health and safety standards across site. This role would suit a proactive engineer who enjoys taking ownership...
IR35 Status:
Inside IR35

CV-Library North Acton, London, UK Contractor
CL
Aug 23, 2026  
Test Development Engineer
We are recruiting for a talented Hardware Design Engineer to join our client's Test Equipment Hardware Design Capability team on a 6-month contract. Part of the Test Equipment Centre of Excellence (TE CofEx), this team designs, integrates, and validates innovative test system hardware solutions that support products throughout their lifecycle. This is a fantastic opportunity to contribute to cutting-edge projects, ensure technical excellence, and help drive engineering success. Role: Test Development Engineer Pay: £50 per hour Via Umbrella Location: Stevenage Contract: Monday- Friday, 37 Hours per week, 6 Months Contract IR35 Status: Inside Security Clearance: SC Required however can start on BPSS Essential Responsibilities Prepare specifications & develop designs in line with all quality and technical standards. Develop proposals for investigations & solutions, following investigation and analysis of technical issues. Carry out design appraisals to ensure all...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Interconnects Design Engineer
Interconnects Design Engineer Location: Stevenage (2-3 days per week onsite; could be higher initially) Duration: 6 months Rate: £50 p/h Umbrella IR35: Inside Clearance: SC (BPSS to start) Overview Fantastic opportunity for an Interconnects Design Engineer to work within a growing Interconnects team designing bespoke electrical interconnects/cables suitable for the transmission of power, signal and data within and between subsystems in complex products. You'll interpret sub-system requirements and generate electrical schematics and cable design definitions (Microsoft Visio & HarnWare work packages). The role also includes investigating cable issues, developing solutions, supporting manufacturing with build issues, and supporting functional and environmental product trials. Responsibilities: * Interpret sub-system requirements and generate electrical schematics and cable design definitions (Visio & HarnWare work packages) * Investigate a full range of cable...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Hardware-in-the-Loop (HIL) Systems Engineer
Our client has an opportunity for a Senior Engineer- Hardware in the Loop to join them on a contract basis for 6 months with possible extension. Role: Senior Engineer- Hardware in the Loop Location: Stevenage, fully onsite Hourly Rate: £55 per hour via Umbrella, inside IR35 Clearance: SC required before starting What you'll be doing: As a HWIL engineer, you will be responsible for developing and maintaining new and existing RF equipment and working with multi-disciplinary teams to combine RF, electronics engineering and software development to produce new capabilities that enable HWIL to run new simulations - Produce new RF targets for missiles to track, simulated ECM. testing, root cause analysis, design, development, integration. You will be able to adapt to new engineering situations and be comfortable in abstracting detail in order to understand the simulation and missile's behaviour Requirements: Radio Frequency design or testing System performance analysis Interface...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Engineering Surveyor
Surveyor Aviation | Night Shifts | Freelance | Inside IR35 £415 per night Are you an experienced Setting Out Engineer / Surveyor looking for a long-term night-shift opportunity? We're currently recruiting for a Setting Out Engineer / Surveyor to join a major project on a freelance basis, working full-time nights through to the end of 2026. This is an excellent opportunity for an experienced engineer who is confident with setting out and wants consistent night-shift work with a strong rate of £415 per night Inside IR35. THE OPPORTUNITY You'll be working as part of an established site team, providing accurate setting-out and surveying support to ensure works are delivered safely, accurately and to programme throughout the night. The client is looking for someone who is competent and confident with setting out. Previous asphalt/surfacing experience would be highly desirable. WHAT YOU'LL NEED ·Strong experience as a Setting Out Engineer / Surveyor ·Competent with setting out...
IR35 Status:
Inside IR35

CV-Library Hounslow, UK Contractor
CL
Aug 23, 2026  
Composite Trimmer
Composite Trimmer Location: Witham, Essex Pay Rate: Negotiable (Paid via PAYE Inside IR35) Monday to Friday, 08:00-4:30 (Plus 20% uplift on night shift) Contract: 6 months, potential for extension/permanent About Us We deliver all aspects of design, engineering, testing and manufacture from a single facility. This vertical integration represents considerable supply chain benefits to our customers and a broad working environment for our teams. We are partners on ultra-premium, low-volume programmes delivering vehicle programmes for the ultra-exclusive, ultra-high-value automotive sector for automotive brands. Role Summary: We have an exciting opportunity for Carbon Trimmers to join our team delivering design, engineering, and manufacturing solutions for some of the world's most exclusive and ultra-premium car programmes. If you have a passion and desire for delivering high-end products and components - intricate machining, carbon fibre mould tooling, complex jigs, and...
IR35 Status:
Inside IR35

CV-Library Witham, Essex Contractor
CL
Aug 23, 2026  
Composite Laminator
Composite Laminator Location: Witham, Essex Pay Rate: Negotiable (Paid via PAYE Inside IR35) Monday to Friday, 08:00-4:30 (Plus 20% uplift on night shift) Contract: 6 - 12 months, potential for extension/permanent About Us We deliver all aspects of design, engineering, testing and manufacture from a single facility. This vertical integration represents considerable supply chain benefits to our customers and a broad working environment for our teams. We are partners on ultra-premium, low-volume programmes delivering vehicle programmes for the ultra-exclusive, ultra-high-value automotive sector for automotive brands. Role Summary: We have an exciting opportunity for Carbon Laminators to join our team delivering design, engineering, and manufacturing solutions for some of the world's most exclusive and ultra-premium car programmes. If you have a passion and desire for delivering high-end products and components - intricate machining, carbon fibre mould tooling, complex jigs, and...
IR35 Status:
Inside IR35

CV-Library Witham, Essex Contractor
CL
Aug 26, 2026  
Quality Technician
Role: IQA Technician Location: Sudbury, Suffolk ASAP Start Duration: 6 months + Pay Rate: £20-£23 P/hr PAYE Inside IR35 Fully site based. Description The IQA Technician will be responsible for completing inspection, control, and disposition of all incoming materials across the Sudbury manufacturing sites, completing all relevant documentation and traceability processes to applicable quality standards. The IQA Inspector ensures that incoming materials to be used by production meet all quality requirements. Job Responsibilities: Carry out inspection of incoming goods across the Sudbury sites using measurement equipment, specifications, and quality control plans (QCP's). Ensuring all incoming materials fully conform to requirements prior to assembly, completing all associated documentation/records and following GDP (Good Documentation Practices). Provide input to the process for the control and disposition of any non-conforming materials, completing tasks, documentation, and...
IR35 Status:
Inside IR35

CV-Library Sudbury, Suffolk Contractor
CL
Aug 13, 2026  
Paint Sprayer
Job Description: Paint Sprayer on Rolling Stock Vehicles Position: Paint Sprayer Location: Milton Keynes Rate: £28.54 per hour on Earlies/Afters or £32.58 per hour on Nights (Role is Inside IR35)  Hours: Earlies: 06:00-16:00 / Afters: 12:00-22:00 / Nights: 22:00-06:00 Summary: A Paint Sprayer is responsible for applying paint and other finishes to vehicles, Vehicle components, machinery, equipment, and various surfaces using spray guns. This role involves ensuring a high-quality finish, maintaining equipment, and adhering to safety protocols. Key Responsibilities: - Surface Preparation: - Cleaning, sanding, and masking surfaces prior to painting. - Ensuring surfaces are properly primed and free of defects before application. Painting and Finishing: - Mixing paints to achieve desired colours and consistencies. - Applying paint, varnish, or other finishes using spray guns or other applicators. - Achieving uniform coverage and thickness according to...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, UK Contractor
CL
Aug 23, 2026  
Cost Engineer
Contract Cost Engineer (Inside IR35) | Nuclear Sector | Reading | £70.68/hr Umbrella We're recruiting for an experienced Cost Engineer to support a major project within the UK nuclear industry. This is an immediate-start contract opportunity based near Reading, working on a hybrid basis with 3 days per week on site and 2 days remote. The successful candidate will play a key role in the development, management, and reporting of project costs, ensuring robust financial control throughout the project lifecycle. Key Responsibilities Develop, implement, and maintain project baseline budgets, Control Account Plans, Responsibility Assignment Matrices, and WBS dictionaries. Monitor, control, and validate project accruals, commitments, resource forecasts, and financial data. Manage cost risk budgets, contingency drawdown, and support wider project risk management activities. Control financial change management, ensuring alignment with contractual and business requirements. Produce...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Aug 23, 2026  
Mechanical Commissioning Technician
Mechanical Commissioning Technician (Contract) Location: Reading Contract Length: 6 months IR35 Status: Inside IR35 Working Pattern: Full-time, Site-Based Shift Pattern: 11 Shifts On, 3 Shifts Off Per Diem Allowance: £100 per day Umbrella - Payable for each day travelled to site for workers residing more than 30 miles from site. Important: This role will initially be based on day shifts but is expected to transition to a night shift pattern during the assignment. Security & Eligibility Requirements Candidates must be eligible to obtain Security Clearance (SC). Candidates may commence employment under BPSS clearance, provided SC clearance is actively in progress. Applicants must have lived and worked in the UK continuously for the previous 5 years to satisfy security clearance requirements. A valid CSCS or ECS card is required prior to commencement. The Opportunity Cavendish Nuclear is seeking experienced Mechanical Commissioning Technicians to support a major...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
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