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Contractor 101
Outside IR35 High Wycombe

101 jobs found in High Wycombe

CL
May 14, 2026  
Project Engineer
We are currently recruiting for a Project Engineer to support a Berkshire based client for a May start. Responsibilities: * Project engineering small packages of works. * Delivery of a portfolio of small – medium sized projects in accordance with the company project roadmap throughout the project lifecycle ensuring governance to current engineering standards and compliance with CDM regulations. * Strict GMP compliance to be adhered throughout the lifecycle of the project. * Coordination with the Principal Contractor and all other project team members to ensure completion to schedule. * Project management services to oversee the completion snags and any construction defects identified. * Project management services to oversee the completion of any installation, commissioning and qualification by liaising with the vendor, company Validation and any other company teams. * Weekly project progress reporting to the company Portfolio Manager. * Weekly project reporting to...
IR35 Status:
Outside IR35

CV-Library Eton, Royal Borough of Windsor and Maidenhead Contractor
CL
Jun 06, 2026  
Interim Systems Accountant
Interim Systems Accountant Primarily Remote | 1 day/week onsite (Thames Valley) 3-6 Month Contract Outside IR35 Ready to lead a high-impact finance transformation? We're looking for an experienced SAP Statutory Reporting Lead to drive the rollout of a consolidation/reporting system across a complex, multi-entity environment (c.20 entities). This is a hands-on role with a strong focus on systems improvement, process optimisation, and fixing what's broken - perfect for someone who enjoys making an immediate impact. What You'll Be Doing Lead SAP (or equivalent) statutory reporting rollout Reconcile to FY25 signed accounts, including disclosures & adjustments Identify and resolve key reporting/system gaps (~50% of the role) Improve and automate finance processes & spreadsheets Support Power BI reporting (desirable) Partner with stakeholders to deliver practical, scalable improvements What You'll Bring Strong experience in SAP (SAC) or similar consolidation tools...
IR35 Status:
Outside IR35

CV-Library Windsor, Berkshire Contractor
CL
Jun 11, 2026  
Regulatory Affairs Consultant EU and US
Your new company A leading Regulatory Affairs consultancy looking for an experienced regulatory professional to support one of the Regulatory Strategy Leads across EU and US development activities. The role requires a hands-on individual with a strong clinical regulatory background, operational submission experience, and working knowledge of both EMA centralised procedures and FDA regulatory requirements. This is a remote, outside IR35 contract job in Regulatory Affairs. Your new role Regulatory Operational Support Provide operational regulatory support to the assigned Regulatory Strategy Lead. Support EU and US development regulatory activities across ongoing programmes. Coordinate regulatory timelines, deliverables, and submission readiness activities. Track and manage regulatory actions, commitments, and submission milestones. Support internal governance and cross-functional coordination activities. Clinical Regulatory Documentation Perform hands-on preparation, review,...
IR35 Status:
Outside IR35

CV-Library Uxbridge, London Contractor
CL
Jun 02, 2026  
HGV Technician
HGV Technician / HGV Engineer / HGV Fitter / HGV Mechanic / HGV Contractor Location: Hertfordshire Rate: £32.00 per hour Shift: Monday - Friday / Nights Shifts (6pm - 6am) Immediate Start Available - On-Going Work Our client is a specialist, reliable and reputable Commercial Vehicle Company based around the Hertfordshire area. They are seeking a passionate and dedicated HGV Technician to complete an ongoing contract / LTD position. This is open to Limited Company Contractors and is working Outside IR35. As a HGV Technician / HGV Mechanic / HGV Fitter you must hold the following: * NVQ / City and Guilds – Level 3 * Minimum of 5 years working on commercial vehicles * Experience working in a fast-paced and demanding customer environment * The ability to organise work on own initiative and work under pressure * Class 1 licence – Preferable not essential Benefits & Package * Great Hourly Rates * Weekly Pay - Every Friday * Limited Companies Welcome...
IR35 Status:
Outside IR35

CV-Library HP3, Apsley, Hertfordshire Contractor
CL
Jun 06, 2026  
Assistant Site Manager - Hemel
Assistant Site Manager - Self Storage Development Location: Hemel Hempstead, London Contract: Freelance / Contract (June - October) Rate: Negotiable (Outside IR35) Role Overview An experienced Assistant Site Manager is required to support the delivery of a self-storage warehouse development in Hemel Hempstead. This role will involve assisting the Site Manager in overseeing day-to-day site operations on a steel frame construction project, ensuring works are completed safely, on programme, and to a high standard. Key Responsibilities Support the Site Manager in managing all on-site construction activities Supervise and coordinate subcontractors, with a strong focus on steel frame erection and associated trades Monitor progress against programme and assist in driving works to meet key milestones Enforce strict health & safety standards in line with CDM regulations Carry out site inductions, toolbox talks, and daily briefings Ensure quality control through regular...
IR35 Status:
Outside IR35

CV-Library Hemel Hempstead, Hertfordshire Contractor
CL
Jun 07, 2026  
Lead Project Controller
Lead Project Controller Reading 12-Month Contract Paying up to £70p/h (Outside IR35) Please note - due to the nature of the work, you will need to currently hold a high level of UK Security clearance Key Responsibilities Develop, maintain, and update the Domain Master Schedule MS/DCS with activities and timelines. Identify and flag scheduling criticalities (conflicts, delays). Deliver schedule updates to external stakeholders (e.g., IMS). Identify Assumptions, Dependencies, and Exclusions (ADE). Identify potential risks and opportunities. Manage and monitor dependencies to prevent delays. Review and validate project assumptions regularly. Required Experience Proven experience in schedule management and planning for large, complex programs or projects, preferably in aerospace and defence Hold an APMP / APM Certification Be a Certified Primavera P6 professional Strong expertise in developing, maintaining, and controlling project schedules using recognized methodologies...
IR35 Status:
Outside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 07, 2026  
Project Planner
Project Planner 12 month contract Outside IR35 SC clearance required A leading Defence company specialising in Electronic Warfare products is seeking a skilled Project Planner to join their team on a contract basis within the Defence & Security sector. Key Responsibilities: Support the Lead Schedule Manager within the Programme Operations core function of the GCAP Electronics Evolution (G2E) Domain Project Management Office (DPMO). Develop, maintain, and update Domain Master Schedule MS/DCS with activities and timelines. Identify and flag scheduling criticalities such as conflicts and delays. Deliver schedule updates to external stakeholders (e.g., IMS). Identify Assumptions, Dependencies, and Exclusions (ADE). Identify potential risks and opportunities related to project schedules. Manage and monitor dependencies to prevent delays. Review and validate project assumptions regularly. Job Requirements: Proven experience in schedule management and planning for large,...
IR35 Status:
Outside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 23, 2026  
Project Manager REF6084H
Project Manager x2 Reading (hybrid - 4 days from home) Outside IR35   Certain Advantage are recruiting on behalf of our established Engineering client for a Project Manager on a contract basis to support important defence projects in the UK.   They require two Project Managers to support the initiation of projects and programmes using Portfolio Entry controls and structured business case development methods.   Some of your responsibilities: Analyse and break down complex problems to develop strategic proposals for Investment Approval Coordinate pre-Concept studies to explore business problems and opportunities Develop early understanding of solution options to inform decision-making Produce initial estimates for scope, schedule, and cost ranges Recommend appropriate delivery methodologies for proposed initiatives Secure approvals to proceed, including Standing Approval and initial resource allocation Ensure alignment of proposed projects and programmes with overall portfolio...
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
Jun 11, 2026  
HGV Technician
HGV Technician / HGV Engineer / HGV Fitter / HGV Mechanic / HGV Contractor Location: Heathrow Rate: £32.00 - £34.00 per hour Shift: Monday - Friday / Nights Shifts (10 - 12 hour shifts) Immediate Start Available - On-Going Work Our client is a specialist, reliable and reputable Commercial Vehicle Company based around the Heathrow area. They are seeking a passionate and dedicated HGV Technician to complete an ongoing contract / LTD position. This is open to Limited Company Contractors and is working Outside IR35. As a HGV Technician / HGV Mechanic / HGV Fitter you must hold the following: * NVQ / City and Guilds – Level 3 * Minimum of 5 years working on commercial vehicles * Experience working in a fast-paced and demanding customer environment * The ability to organise work on own initiative and work under pressure * Class 1 licence – Preferable not essential Benefits & Package * Great Hourly Rates * Weekly Pay - Every Friday * Limited Companies...
IR35 Status:
Outside IR35

CV-Library TW6, Heathrow Villages, Greater London Contractor
CL
Jun 06, 2026  
Contract Electronics Design Engineer - Altium
The Redline Group have an exciting opportunity for a Contract Electronics Design Engineer - Altium, to work with our customer to assist in the verification, validation of a project at their Camberley offices. The role is fully on-site, with the occasional opportunity to work from home for documentation tasks. This role has an indicative OUTSIDE IR35 determination therefore we can accept candidates who would like to operate through their own PSC. Unrivalled in their field, our customer is responsible for some of the most technically advanced defence products on the market. They have been an industry-renowned name for many years, with a reputation for intrinsically safe electronics. As a result of growth and major project wins, they are seeking the skills of a professional contractor to help them get the next generation of their product out to market both on time and in budget. Key Skills Required - Contract Electronics Design Engineer - Altium, Camberley: - Experience of mixed...
IR35 Status:
Outside IR35

CV-Library Camberley, Surrey Contractor
CL
Jun 10, 2026  
Mechanical Fitter - National Grid Person (GIS Experience)
Job Title: Mechanical Fitter (GIS Experience Required) Location: Elstree, WD25 8DT Start Date: ASAP Duration: Approx. 15-16 Weeks (780 Total Hours) Hours: 50 Hours Per Week (10 Hours Per Day) Contract Type: Contract IR35 Status: Outside IR35 Positions Available: 1 Rates: LTD / Umbrella (Outside IR35): £29.12/hour - First 37 Hours £30.87/hour - After 37 Hours / First 4 Hours Saturday £33.65/hour - After 4 Hours Saturday / Sunday / Bank Holidays PAYE: £21.54/hour - First 37 Hours £22.84/hour - After 37 Hours / First 4 Hours Saturday £24.90/hour - After 4 Hours Saturday / Sunday / Bank Holidays We are currently seeking an experienced Mechanical Fitter for a long-term contract opportunity with al leading Tier 1 on a major energy infrastructure project based in Elstree. This is an excellent opportunity for a mechanically qualified fitter with GIS experience and a background in HV substations, power generation, oil & gas, or heavy industrial environments to join a high-profile...
IR35 Status:
Outside IR35

CV-Library Borehamwood, Hertfordshire Contractor
CL
Jun 12, 2026  
Welding Inspector
Welding Inspector - Rail / Rolling Stock Location: London (Acton) Rate: £47.48 per hour Type: Contract An opportunity has arisen for an experienced Welding Inspector to support inspection and assurance activities on safety-critical rolling stock vehicles and components within a rail engineering environment. The successful candidate will carry out inspections before, during and after welding, ensuring all work complies with the relevant industry standards and quality requirements before assets return to service. Key Responsibilities Conduct welding inspections in line with the Inspection and Test Plan and relevant standards. Perform visual inspection of welds in accordance with ISO 17637. Identify defects and recommend corrective actions to maintain welding quality. Interpret engineering drawings and specifications to ensure fabrication meets required tolerances. Record and investigate non-conformances within the Quality Management System. Compile and complete quality...
IR35 Status:
Outside IR35

CV-Library Brentford, London Contractor
CL
Jun 12, 2026  
Senior Site Engineer
Senior Site Engineer - Water Project - Civil Engineering - Major Infrastructure Location: Oxford, Oxfordshire Rate: £350 - £400/day Outside IR35 Contract Type: Freelance Start Date: June 2026 Are you an experienced Senior Site Engineer looking for your next challenge on a major reservoir and water infrastructure project? We are recruiting for a Tier 1 civil engineering contractor delivering a significant reservoir improvement / water infrastructure scheme, offering long-term work and career progression opportunities. This is an excellent opportunity for a Senior Engineer with a strong background in heavy civils, water, infrastructure, earthworks, reinforced concrete and major projects. Key Responsibilities * Overseeing engineering activities across the reservoir project * Managing and reviewing setting out activities * Producing and reviewing RAMS, ITPs, WPPs and QA documentation * Ensuring works are delivered safely, to programme and specification * Managing...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Jun 12, 2026  
Electrical Authorised Person - SC Cleared
Authorised Person (Electrical) - Nuclear Project AWE (Site-Based) | £(Apply online only)/day Outside IR35 | SC Clearance Required (DV desirable) The Opportunity We're supporting a major nuclear programme and are looking for an experienced Authorised Person (Electrical) to take ownership of electrical safety across a complex, large-scale project. This is a critical role at the heart of project delivery - ensuring safe systems of work, managing energisations and isolations, and driving compliance with nuclear licence conditions, JSP375, and project procedures. If you're an established AP(E) who thrives in high-integrity environments and enjoys influencing teams across construction and commissioning, this is a standout opportunity. What You'll Be Doing As the Electrical AP, you'll be the focal point for electrical safety governance across the project. Key responsibilities include: Managing and coordinating electrical safety in line with approved procedures * Overseeing...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Berkshire Contractor
CL
May 15, 2026  
Stock Condition Surveyor
Are you looking for work within the Stock Condition Surveying industry? Look no further! 1st Select are looking for an experienced Stock Condition Surveyor who would be able to carry out detailed inspections of houses and flats, both internally as well as externally. Our client is a leading Consultancy in the Stock Condition Surveying industry, that has won a large contract covering Kingston Upon Thames and we are looking for 3 Stock Condition Surveyors to partake in this program. Responsibilities/requirements will include… Stock Condition Surveying Experience HHSRS Experience Benefits for the worker Gain more experience in the building surveying industry Flexible working hours *Payment outside of IR35* This will be a 6-month contract with the possibility of leading on to additional work. If this fits your area of expertise, please contact Mackenzie Brooke
IR35 Status:
Outside IR35

CV-Library Kingston upon Thames, Greater London Contractor
CL
Jun 11, 2026  
Contract Senior Structural Revit Technician
Contract Senior Structural Revit Technician South London Immediate Start c£35-37 p/h Ltd Outside IR35 Hybrid working   Contract Senior Structural Revit Technician   Energi People are partnering with a well established Civil/Structural Engineering consultancy in South London to help them find an experienced Senior Structural Revit Technician for a long term Outside IR35 contract opportunity.   Our client has framework agreements with various organisations taking their workload and forward order book well into 2030.    They are currently working on a number of major power infrastructure upgrades across the South East to include major sub-station projects and civil infrastructure.   As this role is a Structural opening within their business the successful candidate will need to have excellent Revit knowledge and will have ideally been using it continuously for a minimum of 5 years.   Hybrid working can be offered, however you will ideally be required to be in their offices 3 days a...
IR35 Status:
Outside IR35

CV-Library Surbiton, UK Contractor
CL
Jun 12, 2026  
Grid Integration and System Studies Engineer
Grid Integration and System Studies Engineer – 1 year contract Our client, a leading developer within the global offshore wind sector, is looking to hire a Grid Integration and System Studies Engineer for an initial 1 year contract. This role can be based at one of 3 locations – London, Coventry or Swindon. The role will be offered on Outside IR35, Limited Co, contract for initial duration of 1 year. Duties / Responsibilities: The Engineer will sit in Client Renewables Electrical System & Project Engineering team, supporting the Project’s Engineering and Package Managers with responsibilities including: • Working in construction or development phases of our offshore wind farm projects, the Engineer will be responsible for ensuring a robust and optimised through life design of the project’s electrical system supporting on all aspects of the generation and transmission system up to the grid interface point. • Advise projects on specific questions regarding...
IR35 Status:
Outside IR35

CV-Library Greater London, UK Contractor
CL
Jun 11, 2026  
Solutions Architecture
ICT Solution Architect (Applications) - DV Cleared Location: London (Hybrid - 3 days onsite) Rate: £650 - £701 per day (Umbrella) Contract: Long-term Contract Clearance: Active DV Clearance Required We are seeking an experienced ICT Solution Architect to support a major secure technology programme within a complex enterprise environment. This is a senior architecture-led role requiring a strong hands-on engineering background combined with excellent stakeholder and governance capabilities. You will be responsible for designing secure, resilient technical solutions across multiple projects, translating business requirements into scalable architectures, and providing oversight across engineering delivery teams. Key Responsibilities Produce ?As-Is? and ?To-Be? solution designs Lead architecture and technical governance activities Create technical documentation and architecture diagrams Support engineering delivery across multiple programmes Manage technical stakeholders and...
IR35 Status:
Outside IR35

CV-Library South West London, London Contractor
CL
Jun 06, 2026  
Senior Electrical Engineer - CONTRACT Outside IR35
Senior Electrical Design Engineer / Senior Electrical Engineer - CONTRACT Outside IR35 Surrey, UK Shape the Future of Clean Energy ARCA Resourcing is partnering with a pioneering clean energy technology company developing next-generation integrated power solutions. As part of a rapidly growing engineering team, we have a requirement for a Senior Electrical Design contractor to work on highly advanced electrical systems that are driving the future of sustainable power. We’re looking for a talented Senior Electrical Engineer / Senior Electrical Design Engineer with strong industrial electrical design expertise and a passion for solving complex engineering challenges. The Role You’ll conduct electrical engineering activities across innovative, high-impact projects — taking concepts from feasibility and architecture through to integration, testing, commissioning, and operational support. Working within a multidisciplinary environment, you’ll collaborate with engineers and scientists to...
IR35 Status:
Outside IR35

CV-Library GU2, Artington, Surrey Contractor
CL
Jun 11, 2026  
Microstation Technician
MicroStation Technician (2D) - Rail Bridges Clapham Junction, South West London £35 per hour Outside IR35 Contract Hybrid Working | Rail Infrastructure Projects Looking for your next rail contract opportunity? An established Civil & Structural Engineering consultancy in South West London is seeking an experienced MicroStation Technician to support a growing portfolio of major rail infrastructure projects across the South East. The consultancy has a strong presence within the rail, bridge engineering, and infrastructure sectors, with ongoing work across a number of Network Rail and transportation schemes. Current projects include a range of Network Rail bridge schemes, station upgrades, structural refurbishments, and associated civil engineering works involving both steel and reinforced concrete structures. Why apply? ·Outside IR35 contract ·3-month contract opportunity ·Hybrid working arrangement ·Immediate start available ·Opportunity to work on major Network...
IR35 Status:
Outside IR35

CV-Library Clapham Junction Station, Clapham Junction, London SW11, UK Contractor
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