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Contractor 14
Inside IR35 multi trader

14 multi trader jobs found

CL
May 02, 2026  
Interim Electronic Test Engineer
The Interim Electronic Test Engineer will support and lead all validation programs for electronic components/products, validating to key product specifications, supporting customers in the areas of research and development, new product introduction and VA/VE programs. Client Details The organisation is a well-established entity within the industrial and manufacturing sector, offering innovative engineering solutions. As a mid-sized company, they are committed to maintaining high standards and delivering excellence in their field. Description The interim Electronic Test Engineer responsibilities will include: Support preparation & selection of validation plans for electronic components based on the product specification. Execute multiple, complex, long duration tests designed to stress micro-electronic circuitry both thermally and mechanically. Support root cause analysis when failure mode is detected. Responsible for maintaining and setting up Laboratory tests to company...
IR35 Status:
Inside IR35

CV-Library Dewsbury, West Yorkshire Contractor
CL
May 02, 2026  
Network Engineer
6‑month Senior Network Engineer contract in Didcot, £480 per day, supporting a large, complex network estate for a major UK scientific organisation. £480 + VAT per day 6‑month Contract (Inside IR35) - Umbrella only Didcot, Oxfordshire, UK - Hybrid (3 days onsite, non‑negotiable) Your new company We're partnered with a nationally important research organisation whose work powers major scientific breakthroughs and supports a wide range of innovative programmes across the UK. Their network infrastructure is essential to enabling collaboration, high‑performance computing, data exchange and secure connectivity across multiple sites. With continued investment in their digital estate, they are now looking for a Senior Network Engineer to help maintain, secure and evolve the organisation's core network services. This is a role where your engineering expertise will directly contribute to research and infrastructure used on a national and international scale. Your new role You will be...
IR35 Status:
Inside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
May 01, 2026  
Document Controller
Job Title: Document Controller Location: Necton, Swaffham Estimated Duration: 12 months Onsite role : 5 days in office Weekly hours : 50 hours ( 10 hours per day) Engagement Type: Inside IR35- Umbrella Rate: £27 - £30 per hour Our Client is an Energy technology company are seeking to recruit Document Controller at Necton, Swaffham location. The role is for a contract position of 12 months Inside IR35. Our client has 150-year legacy of innovation and will focus on energy transformation, new technologies, decarbonization and Innovative leading-edge technology. Role: As a Document Controller will be responsible for managing the project contract deliverables by use of the document management tool, throughout the project lifecycle. Key Responsibilities Involvement with of multi-projects, Management of project deliverables using the associated systems, not limited to: *Allocating document numbers *Creating placeholders *Set up supplier packages *QA checks on...
IR35 Status:
Inside IR35

CV-Library Swaffham, Norfolk Contractor
CL
May 01, 2026  
Autodesk Revit Designer (CS&A)
Senior Revit Designer - Civil, Structural & Architectural (CS&A) Contract | £36-£41/hour (Inside IR35) Warrington | Hybrid - 3 days per week in the office Security: Sellafield experience and existing PP Pass is essential. We are seeking an experienced Autodesk Revit Designer to support engineering design delivery within a highly regulated environment. This role will focus on the development and modification of Civil, Structural & Architectural (CS&A) and mechanical piping elements within a Revit model, supporting asset care and infrastructure upgrades. Working within a multi-disciplinary engineering team, you will contribute to the production of design deliverables including drawings, layouts, and engineering documentation, ensuring solutions are safe, compliant, and delivered to agreed time, cost, and quality targets. The role is primarily office-based in Warrington (3 days per week) with occasional site visits and travel to other offices when required. Key...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
May 01, 2026  
Senior Mechanical Designer
Senior Mechanical Designer Location: Warrington (initially 5 days/week in office; occasional site visits or travel to other offices) £35-41/hour Inside IR35 About the Project Join the Asset Care Project Delivery team, supporting the Mechanical asset care portfolio, with an initial focus on the WVP Compressor Project. This is a key role delivering high-quality mechanical design solutions that ensure operational safety, compliance, and reliability across a range of critical projects. Role Overview As a Senior Mechanical Designer, you will: Produce engineering design work packages including specifications, drawings, analyses, verification, and assessments that meet legal, functional, and performance requirements. Ensure designs are delivered on time, within cost, and to the agreed quality standards. Work closely within a multi-disciplinary design team, collaborating with technical and non-technical stakeholders. Contribute to mechanical design of piping systems, machinery, and...
IR35 Status:
Inside IR35

CV-Library Warrington, Cheshire Contractor
CL
Apr 30, 2026  
Lead Technical Architect (SC Clearance Preferred)
Contract | Inside IR35 | 6 months Location: Manchester preferred (hybrid, flexibility offered) Security clearance SC clearance is required Active SC is preferred, though candidates with lapsed but transferable SC may be consideredThe opportunity We're looking for a hands‑on Lead Technical Architect with a strong engineering background to help design, build and evolve cloud‑native platforms used by other developers. This is not a strategy‑only architecture role. You'll work closely with engineers, contribute to codebases, and lead architectural decisions by building and delivering real systems. If you're an engineer at heart who's progressed into architecture - or a technical architect who still codes - this role is likely to suit you well. What you'll be doing Designing and building scalable, secure, cloud‑native platforms on AWS Working directly alongside engineers, writing and reviewing production code Defining and implementing serverless architectures in large,...
IR35 Status:
Inside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Apr 30, 2026  
Contracts Support Engineer
Our client, who own and operate the Fawley refinery, is currently seeking a Contracts Support Engineer to join their commercial team. The Contracts Support Engineer is responsible for supporting the development, execution, and implementation of contracting strategies across a portfolio of site‑based contracts at a major refinery. The role focuses on maximising commercial value, ensuring effective contract application, and supporting strong contractual performance throughout the full contract lifecycle. The refinery operates using multiple multi‑discipline contracting organisations that deliver a broad range of maintenance and operational services, including mechanical, electrical, instrumentation, scaffolding, insulation, and associated support trades. The Contracts Support Engineer plays a key role in ensuring these contracts are robust, clearly defined, and effectively managed to support safe, compliant, and efficient refinery operations. The position works closely with...
IR35 Status:
Inside IR35

CV-Library Southampton, Hampshire Contractor
CL
Apr 26, 2026  
Specialist Advisor
Employment Support Manager Farringdon, London Contract £24.73 per hour PAYE or £32.32 per hour limited paid via umbrella company inside IR35 Our client is looking for an experienced is looking for an Employment Support Manager 3 days remote; 2 days in the office. 09:00 - 17:0, Mon-Fri. The role Reporting to the Lead Employee Relations (ER) Manager, you will provide support to managers and colleagues on all aspects of employee relation casework the organisation, including complex, matters within a shared services framework. You will work closely with the Lead ER Manager and the Strategic People Business Partners to ensure that we deliver an effective, consistent and collaborative People service across the organisation. The location Farringdon office, with the option for working in a hybrid way when appropriate and as agreed with your manager. As part of this role, to various locations when support managers and colleagues. You will effectively support an ER Advisor ensuring that a...
IR35 Status:
Inside IR35

CV-Library Farringdon Within, Greater London Contractor
CL
Apr 26, 2026  
Building & Construction Project Leader
MERITUS are recruiting for a Building & Construction Project Leader to join our client in Broughton, Flintshire on an initial 12 month deal. MUST HAVE SUSTAINABILITY EXPERIENCE. BUILDING & CONSTRUCTION PROJECT LEADER - INSIDE IR35 - £40 PER HOUR - BROUGHTON, FLINTSHIRE - 12 MONTHS - SINGLE STAGE INTERVIEW PROCESS - SUSTAINABILITY EXPERIENCE REQUIRED The Project Construction Leader is responsible for leading CAPEX construction projects from initial feasibility through design, delivery, and final handover. The role involves managing multi-functional teams, coordinating external consultants, and ensuring projects are delivered safely, compliantly, on time, and to budget. Key Responsibilities Lead multi-functional project teams and external consultants to deliver building services and refurbishment projects. Manage projects from inception and feasibility through design, specification, site delivery, and handover. Develop project delivery plans, manage risks and...
IR35 Status:
Inside IR35

CV-Library Broughton, Flintshire Contractor
CL
Apr 25, 2026  
Materials Technician
Job title: Materials Technician Job Type: Contract IR35 Status: Inside Start date: Immediate Duration: Up to Dec 2026 (Extension possible beyond this) Pay rate: Up to £18.93 per hour PAYE & Umbrella rates available Location: Hartlepool Hours of work: Monday - Friday Our client, a leader in Nuclear Generation requires a Materials Technician. The role involves managing goods receipt, stock control, and material issuing within a highly regulated environment, ensuring all items meet strict quality, safety, and compliance standards. The successful candidate will play a key role in maintaining an efficient and controlled supply chain, working closely with internal teams and suppliers to support site operations. Applicants should be able to demonstrate of the following skills/experience: Experience working in a Parts Warehouse/ Logistics environment is essential. An ability to interpret and interrogate product datasheets and certification as well as general spreadsheet...
IR35 Status:
Inside IR35

CV-Library Hartlepool, County Durham Contractor
CL
Apr 25, 2026  
Senior Engineer
SPEN are looking for a Senior Engineer to join them on contract basis, based in Prenton. Role: Senior Engineer Business: Scottish Power Energy Networks Duration: 12 month initial contract Location: Prenton, CH43 3ET Rate: Inside IR35, Umbrella and PAYE options available Role The position of Senior Engineer (Delivery) sits within SP Energy Networks 132kV Projects team delivering our RIIO-ED2 business plan. In this role you will manage personal objectives to ensure the safe and timely delivery of the department work programme including design, planning and construction. Assist in the statutory obligations of the department by developing solutions and work programmes. What you’ll be doing Contribute to the development / delivery of a portfolio of complex capital projects, ensuring safety, environmental compliance, and adherence to budget, quality, and timelines. Drive performance and efficiency by identifying and implementing innovation, value...
IR35 Status:
Inside IR35

CV-Library Wirral, UK Contractor
CL
Apr 22, 2026  
Bid Coordinator
World Class Defence Organisation based in Stevenage (the role can be a split of working Onsite and Working From Home) is currently looking to recruit a Bid Coordinator on an initial 6 month contract, with very high prospect of extension.    This role would suit a candidate who comes from a strong background of working as a Bid Coordinator, Bid Manager, Bid Specialist or Bid Writer.  An Engineering background would be great.  A background of working in the Defence or Aerospace industry would be great.    Rate: £50 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: This role will be 2 or 3 days per week onsite. Duration: 6 Months with very likely prospect of extension. Contracts are often ongoing and long-term.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Bid Coordinator Job Description: The Test Equipment New Business Support (TE NBS) role...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Apr 18, 2026  
Embedded Software Engineer
World Class Defence Organisation is currently looking to recruit 2x Embedded Software Engineer subcontractors on an initial 6 month contract.     Rate: £68.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine) 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)                                                                                                                                           Interview Process: One stage Video Interview Embedded Software Engineer Job Description: We are a world leader in missile and missile systems, seeking a highly capable and adaptable Embedded Software Engineer to join our Development Facility in Bristol. As part of our growing dynamic Software team, you will develop the latest...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jan 25, 2026  
Senior Pensions Administrator
Senior Pensions Administrator Central London (Hybrid – 2/3 days per week on-site) Contract Duration: 23 Months Rate: Negotiable - DOE (via umbrella, inside IR35) The Opportunity: Are you a highly experienced Defined Benefit (DB) pensions administrator looking for a challenging, high-profile contract? A Major Global Energy Company is seeking a Senior Pensions Administrator to join its UK Trustee Services Unit (TSU) in London. This is a rare opportunity to manage complex, high-value administration for one of the largest corporate pension schemes in the UK, with assets exceeding £18 billion and over 45,000 members. You will be a key player in a London/Krakow team, providing an essential, end-to-end service to the Trustee, members, and the Company. Key Responsibilities & Impact:  This role is not standard administration—it involves accountability and technical depth. Your principal accountabilities will include: Handling High-Value Authorisations: Taking ownership for the...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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