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Contractor 35
Engineering Outside IR35 Henley On Thames

35 jobs found in Henley-on-Thames

CL
Jul 17, 2026  
Commercial Electrician (18th Edition/Testing & Inspection)
Commercial Electrician (18th Edition/Testing & Inspection) Mobile role covering Reading and surrounding areas £250 per day (Umbrella/Limited Company) Outside IR35 Initial 3 year contract with long term extension opportunities Excellent opportunity for a Commercial Electrician looking for an immediate start in a role with a local patch with a rapidly expanding company who have recently secured a number of long term contracts. Do you hold a valid 18th Edition and Testing & Inspection qualification? Are you looking for an immediate start with a rapidly expanding company covering a local patch? This company specialise in the telecoms and infrastructure sector and operate on a national basis. While the contract is nationwide in scope, engineers will be allocated to regional patches to ensure work is kept local wherever possible. They have recently secured a number of major long term contracts and are now looking to expand their specialist engineering team. In this role...
IR35 Status:
Outside IR35

CV-Library Reading, Berkshire Contractor
CL
Jul 15, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Contract; Outside IR35 Aldermaston; hybrid working Do you have experience delivering mechanical design solutions in highly regulated environments? Have you worked on complex engineering projects from design through to installation and commissioning? Do you hold SC Clearance? What's in it for you? • Up to £70ph • Outside IR35 • Initial 4-6 month contract • Hybrid working • Extension highly likely What will you be doing? • Delivering mechanical design support on a major engineering programme • Managing design changes and technical documentation • Supporting design reviews, compliance activities and technical queries • Providing engineering support through installation, testing and commissioning Where will you be doing it? You'll be supporting a high-profile programme within a highly regulated environment, working alongside multidisciplinary engineering teams to deliver complex mechanical systems and associated support equipment. What...
IR35 Status:
Outside IR35

CV-Library Aldermaston, Reading RG7, UK Contractor
CL
Jul 19, 2026  
Supplier Quality Engineer
Recruit4staff are representing a leading manufacturing business in their search for a Supplier Quality Engineer to work across the UK. Our client is based across Woking & Bicester, but there will be UK based travel on a regular basis. Job Details: Pay: Up to £40 per hour Outside IR35 (Limited) - Depending on experience Hours of Work: 8.00am to 5.00pm Monday to Friday Duration: Rolling contract Working for a prestigious, premium, Tier 1 Automotive Manufacturer Working on a variety of exciting projects across the UK Career development opportunities within a Global Manufacturer Job Role - Supplier Quality Engineer: Conduct supplier process & quality assessments Support supplier development and improvement initiatives Acting as an extension of the Clients Customers quality teams Supporting suppliers during new product launches Supporting critical programmes and helping customers achieve their quality & delivery objectives Providing on site support at customer locations...
IR35 Status:
Outside IR35

CV-Library Woking, UK Contractor
CL
Jul 15, 2026  
MEICA Project Engineer
MEICA Project Engineer (Mechanical or Electrical Bias) – Water Industry Contract Type: Contract Rate: £450 per day IR35 Status: Outside IR35 A leading Tier 1 contractor delivering major water and wastewater treatment projects is seeking an experienced MEICA Project Engineer to support a growing portfolio of capital delivery schemes. We are interested in candidates from either a Mechanical or Electrical background who have experience delivering MEICA packages within the water sector or closely related process industries. Responsibilities * Manage MEICA installation and delivery activities across water and wastewater treatment projects. * Coordinate subcontractors, suppliers, and site teams to ensure programme milestones are achieved. * Review technical drawings, specifications, and design information. * Support procurement activities and ensure equipment is delivered to programme. * Ensure works are completed safely, to specification, and in line with quality...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Jul 15, 2026  
MEICA Supervisor
MEICA Supervisor (Mechanical or Electrical Bias) – Water Industry Contract Type: Contract Rate: £375 - £400 per day An established Tier 1 contractor operating within the UK water sector is looking to appoint an experienced MEICA Supervisor to oversee installation and commissioning activities across a range of water and wastewater treatment projects. Applications are welcomed from candidates with either a Mechanical or Electrical bias who have a strong track record supervising MEICA works in live operational environments. Responsibilities * Supervise day-to-day MEICA installation activities on site. * Coordinate subcontractors and direct labour to ensure safe and efficient delivery of works. * Conduct site inspections, toolbox talks, and quality checks. * Ensure works are delivered in accordance with drawings, specifications, and project programmes. * Support commissioning and testing activities. * Monitor health, safety, environmental, and quality compliance....
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire 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
May 24, 2026  
Marine Design Engineer
Marine Designer - Contract (6 Months) Surrey | £52 per hour | Outside IR35 | Hybrid (3 days office / 2 days remote) RHL Recruitment, working with a leading oil and gas EPC contractor, who are seeking two experienced Senior Marine Designers to join a high-profile offshore project, on an initial 6-month contract. This is an exciting opportunity to play a key role within a dynamic Marine Team, supporting the delivery of complex offshore design scopes while coordinating with multidisciplinary teams across global offices. The Role As a Marine Designer, you will: Support and lead within the Marine Team, working on a Saudi Aramco project. Liaise closely with other engineering disciplines, clients, and vendors Coordinate with global project teams to deliver work within agreed timelines and budgets Provide technical guidance and mentor Junior designers Manage and oversee remote design teams Develop project-specific job notes, guides, and training materials to ensure consistent...
IR35 Status:
Outside IR35

CV-Library Surrey, UK Contractor
CL
Jul 19, 2026  
Lead Broadcast Media Engineer SDVI ingest platforms
Lead or Senior Broadcast Media Engineer with SDVI/ ingest platforms experience 12 month Contract (Outside IR35 tbc) Approx rate £700pd Hybrid London - Must have right to work in the UK August start / Available within 4/6 weeks Lead / Senior Broadcast Media Engineer with SDVI/ ingest platforms experience. Role requires deep understanding of content ingest workflows - including file-based ingest, transcoding, quality control and metadata processing. Extensive, hands-on experience including workflow design, orchestration configuration and integration within a broadcast supply chain environment. SDVI Rally experience and or similar media workflow systems using python development. * Senior or lead engineer background, with hands-on technical delivery experience within complex broadcast or media technology programmes * Extensive, hands-on experience with SDVI Rally - including workflow design, orchestration configuration and integration within a broadcast supply chain environment *...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 19, 2026  
HV Wireman/Fitter
HV Wireman/Fitter 6 Month Contract Outside IR35 London Essential requirements: Proven experience as an HV Wireman/Fitter working on 11kV-400kV substation projects Experience with panel wiring, relay and protection panels, control panels and HV electrical equipment Strong background in cable installation, glanding, termination and earthing within HV substations Ability to read and interpret electrical drawings, schematics and wiring diagrams Experience carrying out HV busbar installation and electrical fitting activities Knowledge of substation installation standards, safe systems of work and quality requirements Ability to work effectively as part of installation and commissioning teams on live HV infrastructure projectsDesirable: Experience working on National Grid, UKPN or SSE projects Experience on BESS or renewable energy projects ECS Gold Card and 18th Edition qualification City & Guilds 2391 Inspection & Testing Experience supporting testing and commissioning...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 19, 2026  
Senior Structural Engineer - Contract
Senior Structural Engineer - Contract London £55.00 per hour (outside IR35) A fantastic opportunity has arisen for an experienced Senior Structural Engineer to join a well-established consultancy on a contract basis. The successful candidate will ideally have strong experience in reinforced concrete (RC) frame structures and be proficient in Tekla Structural Designer. This is an excellent opportunity to work on a range of challenging and high-profile projects. The role offers: Contract position Outside IR35 Hybrid working - 2-3 days per week in the office Immediate start available Key Requirements: Proven experience as a Senior Structural Engineer Strong background in RC frame design Proficiency with Tekla Structural Designer Ability to work independently and as part of a collaborative team Interested? Candidates who meet the above criteria are encouraged to send their CV to Graham Ventham at Conrad Consulting for immediate consideration
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 18, 2026  
BMS Commissioning Engineer
BMS Commissioning Engineer 9 month initial contract £380 per day Outside IR35 Are you an experienced BMS Commissioning Engineer? Are you looking for your next project? Job Summary: As a BMS Engineer, you will be responsible for managing the full lifecycle of Building Management System (BMS) projects, ensuring all commissioning activities are delivered on time and within scopes. Key Responsibilities: Project Delivery: Manage end-to-end BMS project lifecycle, ensuring all technical and commissioning aspects are delivered on time and within scope. Program & Schedule Management: Develop, maintain, and update project schedules, tracking actual progress against planned milestones. Documentation: Produce, manage, and submit all project documentation, ensuring compliance and client approval. Client Liaison: Act as the primary client interface, managing expectations, resolving issues, and ensuring satisfaction. System Coordination: Coordinate with panel manufacturers, electrical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 17, 2026  
Electrical Design Engineer
An exciting opportunity has arisen for an experienced Electrical Design Engineer to support the delivery of major data centre developments within a leading building services consultancy. This Electrical Design Engineer role is ideal for someone with a strong building services background who enjoys delivering technically complex electrical designs across mission-critical projects. You'll work on high-profile data centre developments, supporting projects through key design stages while collaborating with multidisciplinary engineering teams. The successful Electrical Design Engineer will join an established project team delivering large-scale data centre developments, producing high-quality electrical designs and helping to deliver innovative engineering solutions. The Role As an Electrical Design Engineer, you'll be involved in: Delivering electrical building services designs for major data centre projects Producing detailed electrical calculations, reports and technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 17, 2026  
Windows Endpoint Infrastructure Engineer
Job Title: Windows Endpoint Infrastructure Engineer Location: London (3-days per week on-site) Rate: £550 - £595 per day, outside IR35 (dependent on experience) Duration: 12 months Tec Partners are working with a world-leading technology client who are currently looking for an experienced Windows Endpoint Infrastructure Engineer, to work on assignment with a financial services customer. As a Windows Endpoint Infrastructure Engineer, you will bring strong PowerShell experience, and experience installing, running and troubleshooting endpoints in a large-scale environment. What they are looking for: * Extensive expertise in Windows Infrastructure and Windows Endpoints * Extensive PowerShell experience and expertise * Strong experience with SCCM * Experience delivering solutions end-to-end * Experience with large scale projects and/or environments This is an exciting opportunity for an experienced Windows Endpoint Infrastructure Engineer to join a truly world-class...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 16, 2026  
Protec Fire Alarm Engineers (Subcontract) – South east/South Coast
Protec Fire Alarm Engineers (Subcontract) – London, South East & South Coast £33.00 - £35.00 per Hour + Mileage Outside IR35 Weekly Pay Every Friday 3-Month Rolling Contract Immediate Start Available We are currently looking for experienced Protec Fire Alarm Engineers to join an ongoing subcontract project covering London, the M25 region, the South East and the South Coast. This is an excellent opportunity for engineers seeking long-term contract work with a well-established fire and security contractor, working across a portfolio of commercial and hospitality sites. Scope of Work The successful engineers will be responsible for: Installation of Protec fire alarm systems Remedial and corrective works Upgrades and modifications to existing systems Working on Protec 6100 and Protec 6500 systems Ensuring all works are completed to a high standard and in line with industry regulations Locations Work will be carried out across: London M25 Corridor South East...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 16, 2026  
Mechanical Engineer
My client is a well-established M&E engineering company who are seeking a Mechanical Engineer to join their team on a long-term contract basis. This role will involve working on a high-profile project within the London area. The client is looking for an experienced mechanical design engineer with strong building services experience, ideally gained on large-scale, complex projects. Benefits * Rate of £(Apply online only) a day outside IR35 (Depending on Experience) * Contract ongoing until September 2027 * Weekly Payments Key Responsibiltiies For this role they are looking for someone who can: * Lead the delivery of mechanical building services design on complex projects * Produce and review detailed mechanical designs, calculations, specifications and technical reports * Coordinate effectively with electrical and wider multidisciplinary design teams * Support client meetings and providing technical input throughout all project stages * Ensure design...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 16, 2026  
Revit Technician
Revit Technician - Infrastructure & Mission-Critical Projects 📍 London | Office-Based (5 Days Per Week) 💰 £35-£39 per hour 🕒 6-Month Contract | Outside IR35 An opportunity has arisen for an experienced Revit Technician to support the delivery of major infrastructure, building structures and mission-critical projects across the UK. This Revit Technician role is ideal for someone who enjoys developing coordinated BIM models, managing technical information and supporting multidisciplinary project teams throughout the design and construction process. The successful Revit Technician will play a key role in digital project delivery, working closely with engineers, designers and site teams to ensure accurate, coordinated and construction-ready information is produced across complex developments. The Role As a Revit Technician, you'll be involved in: Developing and maintaining coordinated 3D models using Revit and BIM technologies Producing technical drawings, layouts,...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 16, 2026  
Mechanical Design Engineer
We are currently supporting a leading engineering business within the water treatment sector in their search for a Mechanical Design Engineer to join their growing team.  This is a long term contract, outside ir35 with remote working considered (must be based in the UK).  The Role You will act as the sole Mechanical Engineer across several concurrent projects, taking ownership of mechanical design input, specification, and procurement activities. Key responsibilities include: Specifying and procuring pumps, blowers, and steelwork fabrications Supporting delivery of multiple medium-scale water treatment projects Working closely with suppliers and fabrication partners across the UK Attending factory acceptance tests (FATs) at various UK sites Ensuring engineering solutions are delivered to quality, cost, and schedule requirements About You We are looking for a self-sufficient and fast-learning engineer who is comfortable taking ownership of their work. Ideally you will have:...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 15, 2026  
Hardware Design Engineer
Contract Details Job Title: Hardware Engineer - Piezoelectric / Ultrasonic Systems Duration: 6 months initially Location: Hybrid (3 days/week) or on-site, North London Outside IR35 Key Responsibilities Design high-voltage and low-voltage analogue driver circuits for piezoelectric transducers, including pulser and continuous-wave excitation stages. Develop low-noise analogue receive chains for ultrasonic signal acquisition, including LNAs, VGAs, filtering, and signal conditioning. Design and optimise impedance matching networks to improve power transfer, sensitivity, and system efficiency. Design and iterate PCB layouts for ultrasonic drive, receive, and mixed-signal subsystems. Integrate piezoelectric transducers into complete hardware systems including power electronics, ADC/DAC stages, timing circuits, and embedded or FPGA-based control. Support prototype development, bring-up, debugging, and rapid hardware iteration. Develop and execute test and validation procedures...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 14, 2026  
SHEQ Advisor _ electrical utilities
SHEQ Advisor – Electrical Utilities Our client is a major utilities contractor delivering a large portfolio of HV and EHV schemes in the varied and growing energy market. Milford RES has been asked to source an experienced health and safety advisor to ensure the safe delivery of a wide range of HV engineering works. The successful applicant will be engaged on a variety of schemes around the London and south east areas so you must be mobile around that area. To apply for this role you must meet the following criteria: * Experienced SHEQ advisor / manager * Extensive relevant health and safety qualifications * National Grid, DNO, IDNCO and ICP experience would be highly beneficial * You must have electrical utilities or civils experience * Applicants must be autonomous, professional and comfortable dealing with senior industry stakeholders * You must be based in the UK and fully eligible to work in the UK * You must have a full driving license and be happy...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 01, 2026  
Senior Contracts Engineer
Commercial / Contracts Engineer – Contract – London Location: London This is an excellent opportunity to join a world leading cleantech, renewable and alternative energy company involved in the development of novel green energy solutions on a global scale. The role is working client side and is outside IR35. Role & Responsibilities * Responsible for managing the full lifecycle of major EPC and PMC contracts – including the tendering, negotiation, award, post-award administration, and close-out. * Responsible for negotiation and commercial management of all contracts relating to the engineering programme both during the design and construction phases (EPC). * Prepare and issue RFPs/RFQs, oversee clarifications, conduct bid evaluations, and lead both technical and commercial assessments. * Lead contract and commercial negotiations with contractors, consultants, and suppliers. * Implementation of contractual agreements with suppliers and partners to protect commercial...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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