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Contractor 219
Outside IR35 Windsor

219 jobs found in Windsor

CL
Mar 15, 2026  
Senior Civil Design Engineer
Job Title: Civil Engineer - Water Rate: £35 to £45 per hour (Outside IR35) Location: Slough Type: Contract | Outside IR35 | Hybrid working About the Role: Our client is seeking an experienced Civil Engineer with strong UK water sector experience to support the delivery of complex infrastructure and non-infrastructure projects. This is a contract opportunity operating outside IR35, offering long-term project stability and hybrid working. You will provide hands-on technical expertise across the full project lifecycle, supporting design, coordination, and delivery on critical water industry schemes. About Our Client: Our client is a well-established UK engineering consultancy with a strong presence in the water sector. They are recognised for delivering technically robust, sustainable solutions and for working collaboratively with contractors, clients, and stakeholders across major programmes. Key Responsibilities: Project Delivery Support and deliver water sector projects...
IR35 Status:
Outside IR35

CV-Library Slough, Berkshire Contractor
CL
Mar 12, 2026  
HGV Technician / HGV Mechanic / HGV Fitter - Slough *contractor
Roles - HGV Technician / HGV Mechanic / HGV Fitter Location: Slough Pay Rate: £33.00 per hour. Outside IR35 Do one of these roles describe you? Do you feel undervalued your current role? Are you an experienced HGV Mechanic with a level 3 qualification or equivalent? Are you available to start work right away? Why not come join our team of engineers here at Excel Resourcing, we specialise in supporting several blue-chip clients who operate in the road transport industry. Benefits of working for Excel: * Weekly Pay * Long-term contracting work * Product Training provided * Minimum Hourly Rate of £33.00 These roles involve: * Carrying out routine maintenance and repairs on all makes HGV. * Diagnosing and rectifying all types of HGV faults * Ensuring all vehicles worked upon are handled carefully and that the relevant precautions are taken whilst on the premises. * Liaising with the parts department to attain correct parts. * Ensuring health & safety...
IR35 Status:
Outside IR35

CV-Library Slough, Berkshire Contractor
CL
Mar 08, 2026  
Civil Design Engineer
Civil / Senior Civil Engineer - Wastewater Infrastructure Slough | Hybrid Working | Outside IR35   Are you a Civil Design Engineer with UK wastewater infrastructure experience ready to play a key role in AMP8 delivery?   Whether you're developing your capability, operating at senior level, or already performing as a Design Manager - this is an opportunity to join a growing consultancy delivering technically complex wastewater network schemes.   An expanding detailed design team in Slough is looking to appoint engineers across varying levels of experience to support the design and delivery of: ·Sewerage rising mains and trunk sewers ·Wastewater pipeline rehabilitation and renewals ·Pumping stations and gravity sewer systems ·Feasibility studies, optioneering and asset assessments You'll work within a technically strong team delivering compliant designs aligned to Sewerage Sector Guidance, Water UK standards and UK regulatory frameworks.   Senior-level engineers will...
IR35 Status:
Outside IR35

CV-Library Slough, UK Contractor
CL
Mar 07, 2026  
Project Manager - M&E
Freelance Project Manager – Data Centre Location: Slough Contract Type: Freelance / Outside IR35 (subject to assessment) Project: New-Build Data Centre (M&E Delivery) Duration: 12 months (with potential extension) Reporting to: Senior Project Manager / Operations Manager Overview TXM recuit are seeking an experienced Freelance Project Manager to support the delivery of a major new-build mission-critical data centre project in Slough for a sub contractor. The role is focused on managing Mechanical & Electrical packages, coordinating site activities, and ensuring the project is delivered safely, efficiently and to the required technical standards. This is a fast-paced, high-value engineering environment requiring strong leadership, technical capability, and excellent stakeholder communication. The ideal candidate will have a proven track record delivering M&E packages on hyperscale or enterprise data centre projects. Key Responsibilities * Oversee day-to-day...
IR35 Status:
Outside IR35

CV-Library Slough, Berkshire Contractor
CL
Mar 11, 2026  
AI Engineer - AI Foundry
We have a current opportunity for a Foundry AI Engineer on a contract basis. The position will be based in Egham. For further information about this position ple AI Engineer - Contract Role I am working with a university that is looking for an AI Engineer with experience in AI Foundry to support the implementation of a number of new use cases. This is a remote contract for approximately three months. The role is outside IR35, with a start date planned for early to mid‑March. Job Description Title: AI Engineer Contract: 3 months Location: Remote IR35 Status: Outside IR35 Start: Early to mid‑March Overview The university is delivering a series of AI initiatives and requires an AI Engineer with hands‑on experience in AI Foundry to support the design, build, and deployment of AI use cases across the organisation. Responsibilities * Work with stakeholders to understand business requirements and translate them into AI use cases. * Build, deploy, and optimise AI models...
IR35 Status:
Outside IR35

CV-Library Egham, Surrey Contractor
CL
Mar 11, 2026  
Senior Quantity Surveyor
Senior Quantity Surveyor- Tier 1 main contractor - Central London Rate: £400 - £500 Outside IR35 O'Neill and Brennan are partnered with a leading Main Contractor who are seeking a Senior Quantity Surveyor on an on-going basis to support delivery of an on-going scheme. Role Overview - Title: Senior Quantity Surveyor - Project: Cut & Carve - Location: Central London - Rate: £400 - £500 Outside IR35 - Start: ASAP but can wait for the right person - Type: Self-Employed Responsibilities - Handle valuations, variations, and progress payments - Support project reporting and cost forecasting - Contribute to the successful commercial delivery of the project Requirements - Previous experience in Senior Quantity surveying position at a main Contractor - Full commercial lifecycle experience - Tier 1 contractor experience - Confident communicator with a proactive approach If you're a Senior Quantity Surveyor with main contracting experience, please contact Ned...
IR35 Status:
Outside IR35

CV-Library Ruislip, UK Contractor
CL
Feb 25, 2026  
Revit Technician (M&E)
Our client is a well-established engineering firm currently seeking to recruit several Revit Engineers/Technicians for a major M&E project within the North London area This is a long-term opportunity to contribute to a large-scale rail project. They are looking to bring on board around eight Revit Engineers/Technicians to support the ongoing works. This is an excellent opportunity to be part of a significant project, with the option to work on a hybrid basis. Details: * Day Rate £320 – 350 a day Outside IR35 * Payments: Weekly * Duration: 2 - 4 years worth of work * Hybrid Working: Looking for 3 days on site 2 days working from home * Start Date: ASAP What they are looking for? * Someone who has strong experience with Revit * A good understanding of M&E based design works * The ability to work both individually and as a team * The ability to work in a fast pace environment If this role seems of any interest, please feel free to call Adam on the details...
IR35 Status:
Outside IR35

CV-Library Harrow, Greater London Contractor
CL
Mar 15, 2026  
3D BIM CAD Technician
Randstad CPE are currently recruiting for a 3D BIM CAD technician. Hybrid from home and the Office in Acton. This role is Outside IR35 and paid Ltd Successful candidates will have experience of the preparation 3D models and subsequent drawing output, as well as model collaboration, clash detection,and ensuring CAD/BIM Standards are adhered to. Experience modelling on cladding and Facades is ideal. This is a great opportunity for an experienced 3D CAD Technician to work on a number of projects for a Privately owned contractor Requirements *Proven IFC files experience, Revit, Innventor and Solidworks *Extensive experience of co-ordinating multi-disciplinary projects *Able to produce a consistently high quality of CAD drawings *Able to work without supervision *Able to self check & correct work *Compliance with CAD/BIM standards & Quality Assurance *Have a thorough understanding of BIM and its direction within the industry *Able to write, implement and maintain BIM...
IR35 Status:
Outside IR35

CV-Library Acton, London Contractor
CL
Dec 04, 2025  
5359 - E&I Package Manager
E&I Package Manager Surrey (hybrid) circa £70 per hour LTD (Outside IR35) initially 12 months Mon-Fri Advantage Resourcing is partnering with a leading engineering organisation to recruit an E&I Package Manager based in Surrey. You will be responsible for the delivery of major electrical packages for a significant Brownfield / Greenfield facility.   What will you be doing? Be the focal point between the Client and the Business Work with packages which include modifications to the existing power management system, existing 11kV switchgear and for new transformers, as well as other Electrical equipment such as 110kV switchgear, etc. Drive the multi-functional delivery, including integrating with the construction team on ROS dates, build sequence etc and facilitating stakeholder buy-in. Support the engineering disciplines with a broad understanding of the scope.  A couple of things you should know: Solid engineering background to facilitate technical issues...
IR35 Status:
Outside IR35

CV-Library Oxshott, UK Contractor
CL
Mar 14, 2026  
MEP Site Manager
Are you an MEP Site Manager with London Underground experience? Do you possess a SSSTS, SMSTS, or SMSTS, SSSTS, or CSCS Managers Black Card? Location: NW London Rate: £250 per day outside IR35 (CIS available) Contract Length: 6 months + Working Pattern: Monday to Friday, 8:00am - 4:00pm A rail contractor are currently seeking an experienced MEP Construction Manager to support ongoing M&E works on a TfL project. This role will work closely with the lead Construction Manager, acting as his "eyes and ears" on site, ensuring works are delivered safely, compliantly, and in line with programme expectations. This is a site-based position working day shifts, providing strong on-the-ground supervision and project coordination within a live rail infrastructure setting. Given the nature of the work, proven experience as an MEP Site Manager on TfL/London Underground projects is essential for this role. This role has been deemed outside IR35 with a day rate of £250 per day....
IR35 Status:
Outside IR35

CV-Library Watford, UK Contractor
CL
Mar 14, 2026  
DV Cleared Control Systems Engineer
DV Cleared Senior Software Engineer Aldermaston - Onsite 12-month contract | Outside IR35 Are you a DV cleared Software Engineer who can take full ownership of software delivery on site? Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments? Looking for a long-term contract with a strong on-site engineering focus? What's in it for you ·£650 to £750 per day ·Outside IR35 ·12-month contract ·4-5 days onsite per week ·Work on high-security, technically challenging projects What will you be doing? ·Designing, developing and programming Siemens PLC systems from scratch ·Leading all software activities on an assigned project ·Configuring Siemens PLCs, HMIs and associated networks ·Producing on-site test documentation and supporting FATs and SATs ·Carrying out on-site testing and commissioning of PLC systems ·Acting as the technical interface with the client during delivery ·Providing technical leadership, mentoring and support to other engineers...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Mar 12, 2026  
Contract Mechanical Engineer (Ltd Co)
Job Title: Contract Mechanical Engineer (Ltd Co) Location: Readng area Rate: £33–34 per hour (Outside IR35, Ltd Company welcome) Contract Type: 3 months ongoing initially, potential to extend Shifts: Monday to Friday – 8-hour rotating shifts The Opportunity We’re recruiting for an experienced Contract Mechanical Engineer to provide hands-on mechanical and welding support within a busy, automated production environment. This is a great opportunity to join a market-leading manufacturing business with a strong reputation for quality, innovation, and reliability. You’ll play a key role in welding, fabrication, and fitting tasks, supporting production line maintenance and improvement projects while ensuring equipment uptime and performance. Key Responsibilities Carry out welding, fabrication, and mechanical fitting to support production and maintenance activities. Perform planned and reactive maintenance across production machinery, including conveyors, motors, and drives....
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Mar 12, 2026  
Mechanical Engineer
Job Title: Mechanical Engineer Location: Bury area  Pay Range: £33 - 34 per hour, outside scope, Ltd company welcome, Outside IR35 Contract Type: 3 - 6 month preferred Contract ongoing Rotating shift work Monday to riday  Our client is a renowned and admired manufacturing business, enjoying UK dominance and market leading status in their category sector. An opportunity has arisen for a Contract Mechanical Maintenance Engineer to hit the ground running on shift to cover peak Key Responsibilities – Mechanical Engineer Responsible for a combination of planned and reactive maintenance and technical challenges to ensure maximum line efficiency Perform fault-finding and diagnosis  Attend to breakdowns onsite ensuring a rapid response on plant equipment and machinery breakdowns Carry out planned preventative maintenance on a range of Automation machinery including pneumatics, hydraulics, conveyors and robots Deliver on plant uptime and maintenance KPI’s through planned,...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Mar 14, 2026  
Quantity Surveyor
An excellent contract opportunity has arisen for a Quantity Surveyor to join the commercial team on a major highways contract in Surrey. With an ambitious programme of works scheduled for the next 12 months, the team requires additional commercial support to help manage the high volume of schemes. You'll be working in a fast-paced and dynamic environment, delivering schemes in a busy period for the end client. Role Overview: ·QS required to support major planned works, typically managing two large projects, alongside smaller-value, shorter-duration schemes as required. ·Role will involve a mix of delivery-focused commercial management and change control.   Skills & Experience Required (Both Roles) ·Strong communication and stakeholder management skills. ·Proven experience working with the Highways Method of Measurement. ·Demonstrable experience pricing and valuing works using a Schedule of Rates (all works are valued on this basis). ·Solid experience in change...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Mar 14, 2026  
Senior Quantity Surveyor
We're working with a leading contractor who is seeking an experienced Senior Quantity Surveyor to join their commercial team on a major town centre regeneration programme. This is a substantial, multiyear scheme offering long-term stability and the chance to step into a pivotal commercial role on a highprofile project.   The Opportunity   You'll be joining the project at an important phase, with construction running through to December 2026 and commercial close-out extending into early 2027. The successful candidate will benefit from a structured handover and ongoing support from the existing Senior QS, who will be transitioning into a wider oversight role across multiple projects.   This setup ensures you'll have access to detailed project knowledge, clear guidance, and a smooth onboarding process-while still giving you the autonomy expected of a senior-level commercial lead.   What You'll Be Doing   - Taking ownership of key commercial responsibilities across the...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Mar 13, 2026  
Project Manager
Job Title Project Manager – Wastewater Construction Location Surrey Rate £475 per day – Outside IR35 Project Manager Required to Deliver Major Wastewater Construction Works in Surrey The Role / About You We are currently seeking an experienced Project Manager with a strong background in the UK water sector to support the delivery of wastewater construction projects in Surrey. This is a contract role offering long-term potential on a busy and regulated framework. You will take full responsibility for the planning, coordination and delivery of wastewater schemes, managing programmes from pre-construction through to commissioning and handover. Working closely with site teams, designers, subcontractors and stakeholders, you will ensure projects are delivered safely, on time and within budget. This role will suit a Project Manager who is comfortable operating in a delivery-focused environment, understands AMP frameworks, and has a proven track record of managing complex...
IR35 Status:
Outside IR35

CV-Library Guildford, UK Contractor
CL
Mar 10, 2026  
Freelance Audio Visual Engineer - Own van required
Freelance Audio Visual Engineer - Own Van required Lead and Team Members Required Contract Outside IR35 Day and Night Shifts Your New Role We are recruiting teams of Audio-Visual Engineers to support an ongoing programme of AV installation, upgrade and decommissioning work across multiple end clients. This work supports refresh and change programmes across retail, transport and commercial environments and will involve practical, hands-on AV installation and removal work carried out both during the day and out of hours. Assignments will vary by site and client and are offered on an ongoing, as and when basis. Key Responsibilities * Installing and removing AV equipment including screens, digital signage players, brackets and associated cabling * Supporting AV upgrade and refresh projects across live operational sites * Decommissioning existing AV hardware where required * Working independently or as part of a two-person team * Completing work during daytime and overnight shift...
IR35 Status:
Outside IR35

CV-Library Guildford, Surrey Contractor
CL
Mar 15, 2026  
Senior Construction Manager
Senior Construction Manager (Outside IR35-LTD) Certain Advantage is hiring for a Senior Construction  Manager based in the Surrey area. This role is on a contract basis and is site-based. The Company We’re working with an engineering company specialising in delivering innovative solutions across aerospace, defence, energy, and government sectors. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Senior Construction Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be leading a small, experienced, and collaborative team, and be responsible for: EPCI Bid Support for Indonesian Project Support the development of ITB Development of the construction execution plan for the EPC Phase Participate in project constructability workshopsThe Individual We’re looking for people who can show: EPC and FEED LNG experience in a similar roleThe Benefits:...
IR35 Status:
Outside IR35

CV-Library Leatherhead, UK Contractor
CL
Mar 11, 2026  
ERP Deployment Lead Outside IR35
6 to 12 month initial engagement Hybrid/Remote UK Outside IR35 Deployment Lead required to join global organisation as they go through a complex ERP implementation (IFS) Role: Plan and drive deployment execution across local and international sites, ensuring end-to-end readiness (process, data, training, cutover, hypercare) and consistent adoption of the template at hand. Skills & Experience: * Extensive ERP deployment/rollout leadership, ideally with IFS. * Multi-country rollout and cutover leadership track record. * Strong programme controls: planning, RAID, dependency management. * Change and stakeholder management; confident with senior leaders and site teams. Cathcart Technology is acting as an Employment Business in relation to this vacancy
IR35 Status:
Outside IR35

CV-Library North West London, London Contractor
CL
Mar 14, 2026  
Band 8A - Advanced Dissection - UK wide
IMC Locums are looking for a Advanced Dissection - with IBMS Diploma Job Description Ongoing assignment ASAP start Band 8A Routine Dissection - Must have experience cutting A-C Biospies Pay rates starting from £350 per day - Outside IR35 pay available NHS Experience Essential 37.5 hours per week or 2 days per week Roles between 09:00am - 17:00pm Position Requirements HCPC Registration Benefits of Working of IMC Highly competitive rates of pay FREE fast track registration Exclusive contracts available CPD annual contribution We offer great self referrals and referral bonuses up to £500 - please contact for more details Also refer your friends or colleagues who are looking for better opportunities. We would love to hear from you
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
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