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Contractor 38
Engineering Inside IR35 Hayes

38 jobs found in Hayes

CL
Feb 22, 2026  
Site Agent - Civils and Infrastructure
Site Agent - Civils (Heathrow Airport) 📍 Heathrow Airport 💼 Freelance / Contract 💷 Circa £500/day - Inside IR35 TRIbuild Solutions isare recruiting an experienced Site Agent from a civil engineering background to support a multi-faceted infrastructure package at Heathrow Airport. This is a hands-on role working across a range of complex civils activities within a live, highly regulated airport environment. Scope of Works Includes: Drainage Tunnel cladding / structural concrete works General civils & infrastructure packages Coordination of subcontractors and direct labour Temporary works, RAMS, permits & ITPs Daily site management, progress tracking and H&S compliance Key Requirements: Strong background as a Site Agent on civils projects Degree qualified background preferred Proven experience with drainage and structural / tunnel-related works Comfortable working in live or highly controlled environments SMSTS, CSCS (Black/Gold preferred) Excellent...
IR35 Status:
Inside IR35

CV-Library Feltham, London Contractor
CL
Mar 19, 2026  
Site Manager
Site Manager | 3 Month Initial Contract I'm currently recruiting for a Principal Contractor Site Manager (PCSM) role on a critical National Grid substation extension project. The project is in the Early Contractor Involvement (ECI) phase, with ongoing survey and investigation works. The scope includes 4SGT replacement, significant CV cabling works, and wider substation upgrades. A GIS building is planned for a later phase. The role is required urgently, as site activities are already underway. Key details: * Location: Ashford * Duration: 3 months * Schedule: Monday to Friday, 8am-5pm (45 hours per week) * Rate: £60 per hour * IR35: Inside Essential certifications: * National Grid Safety Instructions (NSI) 6 & 8 - Competent Person (in date) * Temporary Works Coordinator * CAT 1 & CAT 2 with Substation HV module * SMSTS * SHEA ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate...
IR35 Status:
Inside IR35

CV-Library Staines, Surrey Contractor
CL
Mar 20, 2026  
Project Engineer
Job Title: Project Engineer - Civil Location: Acton Contract Type: Contract (Inside IR35, via Umbrella only) Duration: Ongoing long-term project We're seeking an experienced Project Engineer with a strong background in design management to support a major UK infrastructure project. This role suits someone who enjoys taking ownership of technical delivery and coordinating design interfaces across multiple disciplines. Key Responsibilities Manage and review design deliverables, ensuring alignment with project specifications and standards. Coordinate between design teams, contractors, and stakeholders to resolve technical queries. Support project planning, design assurance, and change control processes. Oversee technical quality, construction feasibility, and compliance with design intent. Contribute to risk reviews, constructability assessments, and progress reporting. Key Requirements Minimum 5 years' experience as a Project Engineer in civil engineering or MEP projects....
IR35 Status:
Inside IR35

CV-Library Acton, London Contractor
CL
Mar 26, 2026  
Contract Senior Structural Engineer
Contract Senior Structural Engineer London | Immediate Start | Up to c£50 p/h | 6-Month Rolling Contract | Inside IR35 Are you a highly experienced Structural Engineer ready to make your mark on a landmark international project? A leading global engineering consultancy based in Central London is seeking a Contract Senior Structural Engineer to join their team immediately, playing a key role in the delivery of a major overseas airport development. This is a fantastic opportunity to work on a technically complex, high-profile infrastructure project within a fast-paced, collaborative environment. You will provide critical design input on a prestigious international airport project, contributing to large-scale structural solutions that demand precision, creativity, and technical excellence. We are looking for a senior-level professional with: * 8–10+ years’ building structures design experience * Strong technical expertise in steel and reinforced concrete (RC) design *...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 26, 2026  
MEP BIM Coordinator
MEP BIM Coordinator 📍 West Ruislip  💷 £50 – £50 per Hour | Inside IR35 Carmichael UK is recruiting an experienced MEP BIM Coordinator  at West Ruislip on HS2. Role The MEP BIM Coordinator is responsible for supporting the coordination, clash detection, and quality assurance of MEP models and drawings across SCS JV’s Shaft and Headhouse assets. The role plays a key part in managing design integration activities, ensuring that subcontractor models meet agreed standards, and that all outputs align with SCS and HS2’s BIM and CAD specifications. The BIM Coordinator is responsible for Perform regular clash detection and coordination reviews using Navisworks Manage, leading issue resolution in alignment with the Design Integrator. Run and maintain clash detection rule sets, search sets, and viewpoints, and report regularly on clash status and trends. Conduct quality assurance (QA) checks on models and associated 2D drawings to ensure compliance with SCS BIM protocols, MPDT...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 22, 2026  
Chartered Senior Engineer - Surface & Highways Structures
Chartered Senior Engineer – Surface & Highways Structures Location: London & across network  Employer: Morson Edge – Recruiting on behalf of a major public sector organisation Contract: Long-term contract opportunity (current portfolio has years of programmes) Rate: Band 3+ (senior level) upto £520 per day umbrella inside ir35 About the Role Morson Edge are proud to partner with a major public sector infrastructure organisation to recruit an experienced Charered Senior Engineer to support the delivery and assurance of complex civil and structural works across their Surface & Highways Structures portfolio. This is a delivery-focused, site-based engineering role where you will provide technical leadership, undertake independent assurance of permanent works, and guide B3 Engineers across a wide range of structural and highways projects. Key Responsibilities Lead independent inspection and technical assurance of reinforced concrete, structural steelwork, and highways...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 26, 2026  
Project Architect (London)
Are you an experienced Project Architect with experience in the nuclear or defence sectors (Or similar)? Ready to shape the future of the UK's most secure and technically demanding infrastructure projects with a large international consultancy? Job Title: Project Architect Location: London Contract Length: Initial 12-month contract Rate: DoE (This role falls inside IR35) The Opportunity We're recruiting for highly skilled Project Architect to join one of the world's leading design and engineering consultancies. With a strong pipeline of secured work across the UK nuclear and defence landscape working on front-end design. You'll be part of an expert, multidisciplinary team working on high-value defence facilities, secure government estates, and nuclear-grade installations. Whether you specialise in front-end concept design or technical delivery through RIBA Stage 3/4+, your expertise will directly support national capability and resilience. The Role We're looking for...
IR35 Status:
Inside IR35

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Mar 26, 2026  
Project Engineer - Interior Textiles
Role: Project Engineer - Interior Textiles Location: Woking (with travel to suppliers as required) Contract: Inside IR35- 6-month contract initially (may extend) Role Summary The Project Engineer - Interior Textiles will lead the end-to-end delivery of a one-off, customer-funded luxury textile feature into a premium vehicle interior. Acting as the central point of coordination, you will ensure the concept is engineered, validated, and delivered to strict vehicle build deadlines. Role & Responsibilities Lead delivery of the bespoke textile feature from concept through to vehicle assembly Coordinate cross-functional stakeholders including engineering, design, purchasing, quality and assembly teams Act as the primary interface between the luxury textile designer, seat manufacturer, and internal client representatives Translate design intent into robust engineering requirements, ensuring durability, manufacturability, and validation standards are achieved Oversee supplier...
IR35 Status:
Inside IR35

CV-Library Woking, UK Contractor
CL
Mar 22, 2026  
General Foreman/ Foreperson
Job Title: General Foreman/ Foreperson Location: Westcott Rate: Up to £350 per day (Inside IR35, PAYE or Umbrella) Job Description An excellent contract opportunity has arisen for a General Foreman to join a major UK water framework, supporting the delivery of essential wastewater infrastructure upgrades. This role will see you take charge of daily site operations, managing subcontractors, coordinating logistics, and ensuring works are delivered safely, on time, and to the required quality standards. Responsibilities You will oversee all site operations, coordinating subcontractor teams and ensuring compliance with safety, quality, and programme requirements. You’ll manage logistics including plant, labour and materials, maintain accurate site records and daily diaries, and report progress to the site management team. You’ll carry out site inspections, lead toolbox talks, and ensure temporary works and permits are in place. Strong leadership and communication will be essential...
IR35 Status:
Inside IR35

CV-Library Dorking, UK Contractor
CL
Mar 21, 2026  
Subcontracts Manager
Subcontracts Manager Contractor – Space / Aerospace Contract | 6 months | Inside IR35 | Guildford Rate negotiable and dependent on experience (This roles sits inside IR35) Role Description Reporting to the Head of Supply Chain and working with the Subcontracts team, where you will be responsible for managing all aspects of subcontract management. From collaborating with engineering teams to define initial requirements to leading the selection process and negotiating subcontracts, your role will be integral in ensuring successful project execution. You will also oversee the delivery of subcontracted products and services while fostering strategic business relationships with key suppliers. As part of a small, dynamic team of Subcontract Managers, you will contribute across a variety of space missions.   Key Tasks Manage all aspects of subcontracting within assigned projects, including reporting key issues and risks during monthly project reviews. Act as the primary liaison with...
IR35 Status:
Inside IR35

CV-Library Guildford, UK Contractor
CL
Feb 13, 2026  
Assembly Technician
Assembly Technician, Ware, Stanstead Abbotts up to £15p/hr doe (Inside IR35 contract) Hours - Monday-Thursday 8-5. Fridays 8-2.30 (but could change in 2026) contract until 22/5/26 Responsible for assembling parts and components to build mechanical or electrical products. Read and interpret engineering drawings, assemble parts and components accurately, test the assembled components and report any faults. Ensure that the products meet quality and safety standards. This role also involves testing, inspecting, troubleshooting, and repairing any issues that may arise. The successful Assembly Technician must be able to work safely and efficiently with hand tools, power tools, machinery, and other equipment. They must also possess excellent communication and problem-solving skills. Duties and responsibilities Assemble components in accordance with technical drawings. Test completed assemblies for correct operation. Perform basic maintenance on machinery and equipment. Identify and...
IR35 Status:
Inside IR35

CV-Library SG12, St Margarets, Hertfordshire Contractor
CL
Mar 26, 2026  
Section Engineer
Randstad are recruiting for a number of Freelance section engineer roles to work on a prestigious High speed rail project based in Buckinghamshire This role is PAYE, inside IR35. The successful candidate will be working for Tier 1 main Contractors in Joint venture for a number of years. The role includes the build of a Viaduct, cut and cover tunnel, earthworks, piling and a number of structures. Duties will include: Engineers and subcontractor management and / or Self delivery Planning, forecasting and delivering work Liaising with clients and stakeholders Developing programmes, Risk assessments, Quality assurance. Managing design, NCRs, RFI's, H&S etc. Essential Experience: You will need to have a significant amount of experience on Earthworks, Structures and /or Highways Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. We...
IR35 Status:
Inside IR35

CV-Library Aylesbury, Buckinghamshire Contractor
CL
Mar 21, 2026  
Fleet Quality Assurance Officer
Fleet Quality Assurance Officer Aylesbury (1 Day Office, 1 Day WFH, 3 Days Travelling) £25.00 - £30.00per hour (Inside IR35 / Umbrella Company) 3 - 6 Month Contract (+ Extension or T2P) Monday - Friday / Days (37.5hours per week) Are you a Fleet / Automotive Quality Assurance Officer looking for your next immediately available, days based, long term contract role with the view to go permanent? My client is one of the UK's leading companies that specialise in Servicing, Repair & Maintenance work of Ambulances & Blue Light Vehicles. Based in Aylesbury, this organisation works to ensure that all emergency vehicles in the Oxfordshire, Berkshire, Hampshire & Buckinghamshire are operating at the highest level. In this role you will be working as a Quality Assurance Officer to ensure my clients fleet operations comply with all statutory requirements, regulations, and internal policies while leading quality control inspections and engineering investigations for major...
IR35 Status:
Inside IR35

CV-Library Aylesbury, Buckinghamshire Contractor
CL
Mar 25, 2026  
Senior Electronics Engineering Project Manager
World Class Defence Organisation is currently looking to recruit 2x Senior Electronics Engineering Project Manager subcontractors on an initial 12 month contract.  The role will be a hybrid of working from home and being onsite 2 days per week (flexibility on this).    Please Note – this role requires a very strong Electronics background or a background of working on electronic focused/biased projects.  The position will be managing detailed design of electronics product / engineering development   Job Title: Senior Electronics Engineering Project Manager Number of positions: 2 Rate: £60.00 per hour Location: Stevenage, Bolton or Bristol – depending on your preference Hybrid / Remote working: 2 days per week onsite (flexibility on this) Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Senior Electronics Engineering Project Manager Job Description: We are Electronics Engineering. We are...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 08, 2026  
Supply Chain Manager
World Class Defence Organisation is currently looking to recruit a Supply Chain Manager subcontractor on an initial 6 month contract.    Rate: £50.00 per hour Location: Stevenage or Bolton, depending on your preference. Hybrid / Remote working: 2 days onsite per week Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Supply Chain Manager Job Description: An opportunity has arisen for a Supply Chain Manager to join ISP in the Equipment's team. The successful candidate will bring their experience and knowledge to ensure effective Supplier performance, capability & Risk management. As a team, we work across all programmes in a changing environment, managing and implementing both mature and new technologies. Responsibilities /Skillset/experience required Internal and external assessment skills/knowledge;...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer (Military Packaging Design)
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer - Military Packaging Design Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Principal Structural Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Structural Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.     Candidates with a FE / FEA background ( Structural Engineer / Structural Analysis / Stress Engineer ) ideally from the Defence / Aerospace industry would be suitable for this position. Rate: £50.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be onsite 4 days per week.  a 4-Day week of Monday to Thursday is possible. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Principal Structural Engineer Job Description: The Mechanical Analysis Group are looking for a Principal...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 02, 2026  
Missile Test Architect
World Class Defence Organisation is currently looking to recruit 2x Missile Test Architect subcontractors on an initial 6 month contract.    Rate: £60.00 per hour Location: Stevenage or Bolton (depending on your preference)   Hybrid / Remote working: This role is a hybrid role, 1-2 days a week possibly in lab up to 3 in first weeks Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Missile Test Architect Job Description: The department are looking for experienced test equipment engineers that want to use their knowledge in a system/sub system management role. The role includes determining the project test equipment needs, managing the requirements for test equipment and managing the development through delivery and into service. In this role, you will be responsible for the projects test equipment and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 22, 2026  
Systems Engineer
World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Engineer subcontractor on an initial 6 month contract.  The department are looking for Systems Engineers ideally from the defence / aerospace background.  Previous experience of DOORS is required. Hourly Rate: £70.00ph (Umbrella).  Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol or Stevenage (depending on your preference) Hybrid / Remote working: The role will likely be onsite 2-3 days per week (this could reduce once up to speed in the role). A 4 day working week is OK (Monday to Thursday).  Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Airborne Launcher Functional Systems Engineer Job Description: Analyse high level design documentation to elaborate and capture...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 21, 2026  
High Speed Digital Design Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role can be a mix of onsite and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
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