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Contractor 152
Outside IR35 Marlow

152 jobs found in Marlow

CL
Apr 21, 2026  
Contract Mechanical Design Engineer - Medical
The Redline Group are working EXCLUSIVELY with our Slough-based customer in their search for a Contract Mechanical Design Engineer - Medical on an initial 6 month opportunity, working on a hybrid basis. This role has an indicative OUTSIDE IR35 determination therefore we can accept candidates who would like to operate through their own PSC. A household name in the medical industry, their products are sold around the world and have been for many years. As a result of continued growth, combined with a number of successful project wins, they are seeking a range of professional contractors to help them complete their work on schedule. This is a fantastic opportunity for an experienced engineer to hit the ground running and deliver high quality work. Key Skills Required - Contract Mechanical Design Engineer - Medical, Slough: - Experience using Solidworks - Experience designing Medical Devices - Experience with plastic injection moulding/sheet metal design For more information or...
IR35 Status:
Outside IR35

CV-Library Slough, Berkshire Contractor
CL
Apr 26, 2026  
Network Engineer
Network Engineer - Data Centres - Cisco £300-£310/ Day Outside IR35 3-6 Months Contract Reading  A Network Engineer is required for a 3-6-month contract based in Reading/ Bath working Data Centres to configure Routers and Switches, Cisco routers and switches (e.g., 3850s, Nexus 9k, ISRs, ASRs) 3-6 Month Contract based in Reading, Bath, Southern Locations (Hybrid). Paying £300-£310/day per day (Outside IR35). Start ASAP ideally April 2026. Hybrid Working - 2 days/week remote (WFH), and 2/3 days/week working on-site from the office.  Flexibility is needed as you will be required to provide out of hours standby support (min. 1 in 6 ROTA basis), with a requirement to travel to a location if a physical intervention is required during incident management. Active SC required for this role. Configure routers and switches in line with design documents (IP data perspective) Onboard devices onto the network management platform Rack and stack relevant devices in Data Centres...
IR35 Status:
Outside IR35

CV-Library Reading, UK 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
Apr 22, 2026  
MOT Tester
CONTRACT MOT TESTER – READING (RG2) Position: MOT Tester Location: Reading (RG2) Rate: £24.00 Per Hour (Outside IR35) CONTRACT MOT TESTER – THE ROLE: Are you an MOT Tester looking for a new role? We have a fantastic opportunity available to work at our client’s workshop in the Reading area on an ongoing contractual basis. CONTRACT MOT TESTER – ESSENTIAL SKILLS: * You must hold a valid MOT License. * Knowledge of health and safety practices in the workshop. * You must hold a UK Driving License. * Good written and verbal communication skills. * Ability to work as part of a productive team. * Excellent time management and organizational skills. Apply via this advert today and one of our experienced consultants will be in touch. Why work for Excel Resourcing? * Benefit from premium rates across the market. * Various long-term contract opportunities throughout the UK. * Flexible working when it comes to your hours and how far you will travel. *...
IR35 Status:
Outside IR35

CV-Library RG2, Great Lea Common, Wokingham Contractor
CL
Apr 26, 2026  
Mechanical Construction Manager
Job Title: Mechanical construction manager Location: Heathrow Duration: 12 months Contact: Mitchell Apply now! Site Operative Solutions Limited have an excellent opportunity for Mechanical construction manager in Heathrow Start date: ASAP Duration: 12 months For this role, Mechanical construction manager would be undertaking the following duties: Understanding of Systems Air conditioning Vrf DX Indoor and outdoor units Liquid Lines Gas lines Ductwork - General Supply and Extract Ductwork - Fire Rated Ductwork - Smoke Extract Drop dampers Motorised dampers Drainage Hdpe Terrain Condense systems Vent pipe anti syphon systems Soil Vent Pipe Systems LTHW Valve trains Drvs Pic valves Flow and Return Dosing Pots Flushing Chilled Water Valve trains Drvs's Pic valves Flow and Return Dosing pots Flushing Fan coil units Potable Water Systems Non potable Systems Cat 5 Systems Chlorination...
IR35 Status:
Outside IR35

CV-Library Heathrow Airport (LHR), Hounslow, UK Contractor
CL
Apr 24, 2026  
Site Supervisor
Astute's Power team is partnering with a client who provide expert advice to support solar PV, wind, and BESS projects worldwide to recruit a Site Supervisor on a 10 month for its Buckingham site. The Site Supervisor role comes with a rate of £450-£500 per day. Key skills required for the Site Supervisor role Supervise daily site activities across PD parks, cable routes, and associated infrastructure Coordinate subcontractors, labour, and plant to deliver works safely and efficiently Ensure all installations meet drawings, specifications, and programme requirements Oversee cable routing, trenching, ducting, and electrical installation activities Manage site reporting, records, and progress tracking against programme Control site access, logistics, and enforce health, safety, and quality standards Location, remuneration and timeframe of the Site Supervisor role: Buckingham Outside IR35 £450-£500 per dayAstute People are acting as an employment business in relation to this...
IR35 Status:
Outside IR35

CV-Library Buckinghamshire, UK Contractor
CL
Apr 25, 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
Apr 25, 2026  
Senior Electrical Engineer - Nuclear
Senior Electrical Engineer - Infrastructure Projects AWE, Berkshire Hybrid - 2 days per fortnight on site £55-60/hour - Outside IR35 (pending determination) Security Clearance: SC required (DV eligibility essential) About the Opportunity We are currently recruiting for a Senior Electrical Engineer to support delivery across the One Team Framework on high-profile defence infrastructure projects. This is an excellent opportunity to work on technically complex, highly regulated programmes, contributing to the design and delivery of critical electrical infrastructure across a secure environment. You'll play a key role in ensuring safe, compliant, and high-quality engineering solutions within a collaborative, multi-discipline team. The Role As a Senior Electrical Engineer, you will lead the design and delivery of electrical infrastructure systems, with a focus on HV/LV power distribution, substations, and associated networks. You will take ownership of engineering outputs...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Berkshire Contractor
CL
Apr 22, 2026  
Material Controller
Material Controller Ealing 3-month Contract - Hybrid £222.19 per day - Umbrella ARM are delighted to be working with our client to help them recruit a Material Controller on a 3 month contract. The Role: Responsible for ensuring compliance with statutory obligations, operational standards and safety and security risks. Develop a de-expediting system to support stock optimisation. Assist with continuous improvement agendas for materials and purchasing activities. Deliver the end to end approach to Materials Management Develop an expediting system to ensure on time deliveries to meet business demands. Requirements: Good communication and organisation skills Good knowledge of procurement and materials management systems including MRP/ERP Proficiency in the use of IT applications. eg. MS Office, Excel Knowledge of relevant health and safety legislation, guidance and good practice Previous experience working within transport industry Disclaimer: This vacancy is being...
IR35 Status:
Outside IR35

CV-Library Brentford, London Contractor
CL
Apr 22, 2026  
Multi Trade Operatives - Borehamwood
Multi Trade Operatives - Carpentry, Plastering, or Plumbing FocusLocation: Borehamwood Rate: £21.00 per hour (Umbrella) Company Van Provided We're looking for an experienced Multi-Trade Operative with a strong background in plastering, plumbing or carpentry. You'll be working on day‑to‑day repairs, voids, property MOTs, and general maintenance across our housing stock. What You'll Be Doing Carry out repairs and maintenance in your main trade. Help with basic tasks in a second trade when needed. Work on responsive repairs and void properties. Use and look after tools, equipment, and the company van. Keep job records up to date on the PDA. Follow Health & Safety procedures and complete risk assessments. Keep your van stocked and order materials when required. Meet tenants, attend booked appointments, and aim for first‑time fixes. Support apprentices on site if required. What We Need From You NVQ Level 3 / City & Guilds, OR strong proven experience in your trade. Solid...
IR35 Status:
Outside IR35

CV-Library Borehamwood, Hertfordshire Contractor
CL
Apr 25, 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
Apr 25, 2026  
OT Security Consultant
OT Cyber Security Specialist £430 - £470/day Outside IR35 6 month contract Oxford - 2x days per week on-site We have an exciting opportunity to join a leading UK organisation operating in the critical infrastructure sector. As part of a greenfield initiative, they are building out their OT security capability and require an experienced Information Security Consultant to lead and shape this journey. This role is pivotal in defining and implementing the OT Security Strategy, developing governance frameworks, and introducing robust security controls across OT environments. You'll be working closely with engineering teams and third-party providers to ensure alignment with industry standards and enterprise cyber objectives. You'll be involved in both strategic and hands-on activities, including policy creation, risk assessments, and technical oversight. The organisation operates in a highly regulated environment, so experience with frameworks such as IEC 62443, NIST CSF, CAF, and...
IR35 Status:
Outside IR35

CV-Library Oxfordshire, UK Contractor
CL
Apr 26, 2026  
Power Electronics Engineer
Power Electronics Engineer Contract: 6 months initial, Outside IR35, Oxford, 2 days per week Rate: £60-80 per hour Project Scope The Power Electronics Engineer will be responsible for the design, development, and validation of power electronic systems for advanced electrification applications in harsh environments. The role spans the full development lifecycle, from concept and topology selection through simulation, prototyping, and testing, working closely with multidisciplinary engineering teams. Technical Scope * Design and develop power converters (AC-DC, DC-DC, DC-AC) across a range of power levels (100kW+). * Evaluate and implement suitable converter topologies (flyback, boost...etc) and validate designs through simulation. * Develop power electronic drive systems for electric motors, including sensorless control approaches where applicable. * Design switching power supplies. * Investigate and address key challenges related to system electrification, including...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Apr 25, 2026  
Asbestos Surveyor
Job Title: Asbestos Surveyor Location: Oxford Rate: £250 per day IR35 Determination: Outside IR35 Contract Length: Ongoing contract The Role: Are you an Asbestos Surveyor looking for a new contract opportunity? We are looking to secure the services of a qualified Asbestos Surveyor to service an ongoing contract based in the Oxford area. Your workload will offer a diverse mixture of environments, specifically focusing on a housing contract alongside hospital surveys. When working on the hospital sites, you will be surveying rooms as varied as operating theatres to boiler rooms and everything in-between. As a surveyor on this contract, you will be required to conduct management surveys, take any necessary samples for suspected Asbestos Containing Materials (ACMs), and properly document the properties in-site. About You: To be successful in this role, you will need to meet the following requirements: You must be a BOHS P402 qualified surveyor. You must have a demonstrable...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Apr 18, 2026  
Wiring Technician
Sapien Engineering are looking for a Wiring Technician to join an Aerospace business in Farnham on a contract basis. This is an initial 3-month contract with the view to extend. This is outside IR35 paying up to £25 per hour. Job requirements: * IPC 620 (essential) * Engineering schematics * Crimping * Soldering * Previous aerospace experience highly beneficial For more information, please apply with an updated copy of your CV ASAP
IR35 Status:
Outside IR35

CV-Library Farnham, Surrey Contractor
CL
Apr 26, 2026  
Electronic Design Engineer (Camera & Vision Systems)
CONTRACT Electronic Design Engineer – Camera/Vision Systems (Remote contract – Outside IR35 - £50-55) (remotecontract) I am looking for a hands-on hardware design engineer to build camera systems from the ground up for advanced sensing applications for unmanned vehicles. Key Responsibilities Design CMOS & LWIR (thermal) camera systems Develop multi-layer PCBs (6 layers, controlled impedance) (core skill) Work across digital, mixed-signal & high-speed design (MIPI, LVDS) Interface sensors with FPGAs and frame buffer memory Design Ethernet/USB interfaces Support bring-up, debugging & validation Requirements Strong PCB design & high-speed experience Proven camera/imaging background (CMOS LWIR essential) Experience with FPGA (VHDL/Verilog) interfacing & Ethernet design Desirable CMOS experience with Teledyne/Octopus Must have UK right to work (BPSS eligible) If you are immediately available please send me a message or email me your cv
IR35 Status:
Outside IR35

CV-Library Newbury, Berkshire, South East Contractor
CL
Apr 03, 2026  
Pipe Stress Engineer
Pipe Stress Engineer Location - Leatherhead Work pattern – 4 days office – 1 day remotely. Rate - £60 p/hr – Outside IR35 Duration – 6 months Start - ASAP Job Responsibilities: During Detail Engineering, perform Piping Stress Analysis of high temperature piping systems using a combination of practical experience and commercially available software. Implement project specifications. Work as part of a team to ensure Isometrics are being checked in a timely manner Ensure a consistent and compliant approach to project execution. FEA Analysis of specialist piping components. Analysis of new and existing piping systems on Greenfield and Brownfield Projects. Work individually or as part of a team in the home office and abroad. Communicate effectively with other engineering disciplines. Committed to multi-centre project execution. Adhere to the companies WAY engineering standards and procedures as well as provide input to their development and enhancement. Skills / Experience:...
IR35 Status:
Outside IR35

CV-Library Leatherhead, UK 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
Apr 16, 2026  
Senior Quantity Surveyor
Pinnacle are looking to speak to Senior Quantity Surveyors, with a strong background in rail infrastructure, specifically across civil engineering and signalling projects. This is an excellent opportunity for a commercially astute professional to support high-profile rail programmes, ensuring robust cost control, contract management, and project delivery. Key Responsibilities * Lead all commercial and contractual aspects of rail projects, from pre-contract through to final account * Prepare, review, and manage cost plans, budgets, and forecasts * Administer contracts (e.g. NEC forms) including compensation events and variations * Conduct value engineering and cost optimisation exercises * Manage subcontractor procurement, payments, and final accounts * Provide accurate and timely commercial reporting * Support project teams in risk management and mitigation strategies * Liaise with clients, stakeholders, and multidisciplinary teams Requirements *...
IR35 Status:
Outside IR35

CV-Library Hatfield, Hertfordshire Contractor
CL
Apr 24, 2026  
TIG Welder
Aluminium TIG Welder - London Rate: £40.54 per hour (umbrella) Location: Lillie Bridge Depot, London An experienced Aluminium TIG Welder is required for a London depot. You must hold a Level 2 or 3 Welding Qualification and have proven TIG experience on aluminium. Key Requirements: Aluminium TIG welding to drawings and tolerances Workshop experience in a transport or industrial environment Strong attention to quality and safetyWe can only consider applications from those eligible to work in the UK for this position. This position will require some additional checks, to ensure you can access the site worked as needed. For more information on this position, please contact Marika Powell at ARM on (phone number removed) or email your CV and covering letter to . Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent...
IR35 Status:
Outside IR35

CV-Library West End, London Contractor
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