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Contractor 360
Inside IR35 Maidenhead

360 jobs found in Maidenhead

CL
Mar 12, 2026  
Mechanical Assembler
Mechanical Assembler 6 Month Contract (possible extension) Pay: Inside IR35 £17.00 - £20.00 per hour PAYE (DOE) Hours: 37.5 hours per week ReeVR Talent are looking for a skilled Mechanical Assembler to join our clients assembly team, to support the build and integration of their products. Key Responsibilities for the Mechanical Assembler: * Assembly and fitting of precision mechanical components and sub-assemblies * Work from detailed mechanical drawings, assembly instructions, and BOMs. * Carry out basic alignment, fitting, and testing of assemblies to tight tolerances. * Ensure all work meets quality and safety standards. * Liaise with design and engineering teams to identify and resolve assembly issues. * Maintain a clean and organised work area, adhering to 5S and health & safety procedures. Requirements for the Mechanical Assembler: * Proven experience as a Mechanical Assembler * Strong mechanical aptitude and attention to detail. * Ability to interpret...
IR35 Status:
Inside IR35

CV-Library HP10, Loudwater, Buckinghamshire Contractor
CL
Mar 15, 2026  
Embedded Systems Engineer
Copello are seeking an experienced Embedded Systems Engineer for a 3–6 month contract with a leading defence organisation based in Buckinghamshire. This is a technically challenging role within a highly regulated environment, supporting the development of advanced systems, ideally within an avionics or wider defence context. The successful candidate will combine strong hands-on embedded development expertise with the ability to lead and coordinate a small engineering team. This role is inside IR35 and requires candidates to be eligible for SC clearance. Key Responsibilities * Lead and manage a small embedded systems engineering team, providing technical direction and oversight * Design, develop and debug embedded software for ARM-based SoCs * Develop and maintain secure boot chains and low-level board support packages * Work across bare-metal and RTOS environments * Support integration, verification and validation activities within a defence framework * Perform...
IR35 Status:
Inside IR35

CV-Library High Wycombe, Buckinghamshire Contractor
CL
Mar 05, 2026  
Programme Planner
We are currently looking for a Programme Planner for a company in Buckinghamshire on a contract basis. Please see the details below. Overview We are seeking an experienced Programme Planner / Programme Controls professional to support complex engineering programmes within a fast-paced, high-tempo environment in a Defence company. This is a dynamic contract role requiring strong autonomy, senior stakeholder engagement, and hands-on delivery across planning, controls, and reporting. Key Responsibilities * Own and manage programme schedules using Primavera P6, ensuring accuracy, robustness, and alignment with delivery objectives * Maintain and manage the Integrated Management System (IMS) across complex engineering programmes * Potentially run daily stand-ups and planning meetings with VP-level stakeholders * Provide clear, concise programme reporting to senior leadership * Support customer-facing activities where required * Identify risks, dependencies, and critical path...
IR35 Status:
Inside IR35

CV-Library High Wycombe, Buckinghamshire Contractor
CL
Mar 08, 2026  
FP & A Manager - Inside IR35
FP & A Manager Rate - £550 - £650 (a day) Location - Uxbridge (Hybrid) Duration - 3 Months (Initially) IR35 - Inside (Must use an umbrella company) The FP&A Lead will play a key role in budgeting, forecasting, financial modelling and management reporting. You will work closely with academic and operational stakeholders to provide meaningful analyses that support strategic and financial planning. Key Responsibilities Budgeting & Forecasting Lead the annual budget and multi‑year forecast cycles across departments. Work with academic and support service leaders to prepare accurate, timely budgets. Develop rolling forecasts and scenario models considering student numbers, funding shifts, and operational costs. Financial Planning & Analysis Produce clear financial analysis to inform strategic planning and investment decisions. Undertake variance analysis, cost reviews, trend analysis and KPI tracking. Identify risks, opportunities and cost‑saving...
IR35 Status:
Inside IR35

CV-Library Uxbridge, London Contractor
CL
Mar 14, 2026  
Senior Finance Manager - SC
Job Title: Senior Finance Manager - SC Location: Green Park, Reading (3 days on site) Contract Duration: 18 Months Daily Rate: £72.66 -  £77.20/hr (Umbrella – Maximum) IR35 Status: Inside IR35 Security Clearance: SC & British citizenship Minimum Requirement: Strong budgeting experience Strong reporting experience Strong stakeholder management skills at all levels – internal and external Reporting to senior stakeholder MOD/Defence experience Various Analysis Public sector Experience of executive reporting Strong accounting experience Oracle fusion/ERP system – Highly desirable not essential Transformation experience – desirable Oracle Fusion EPBCS – Highly desirable but not essential Security Clearance: SC Key Accountabilities: Manage and deliver all financial activities as assigned to time, cost and quality. Develop and deliver functional strategy and drive delivery of objectives. Line managing and task managing as appropriate in accordance with company policies, processes...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
Mar 13, 2026  
Data Analyst
£200 + VAT per day 6‑month Contract (Inside IR35) - Umbrella only Reading, Berkshire, UK - Fully remote (Work from home!) Your new company We're supporting a nationally recognised charity whose work changes lives every day. They are investing heavily in modernising their digital and data landscape, strengthening the systems and intelligence that underpin their services. Their CRM platform, functionally similar to Blackboard, is central to how they operate, and they are now enhancing their data capability to ensure accuracy, governance and insight at scale. This is an environment where your technical expertise will directly support a mission with real social impact. Your new role This is a role for someone who wants to be at the centre of a complex, high‑value data ecosystem. You'll be the person the organisation turns to when clarity, precision and technical depth are needed. Using your SQL and scripting expertise, you'll interrogate datasets, diagnose issues at source, resolve...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Mar 08, 2026  
Product Delivery Manager - System Engineering
Product Manager - Systems Engineer +6 months + +Hybrid working in Reading +SC cleared role +£83 ph +Inside IR35 We are looking for an experienced Product Manager - Systems Engineer to lead the delivery and evolution of digital engineering capabilities that support the Safety pillar across the enterprise. This role focuses on enabling model-based safety engineering and embedding Safety into the Digital Thread - replacing document-centric approaches with authoritative models that provide end-to-end traceability from safety objectives and requirements through architecture, analysis, verification, and compliance evidence. Key Responsibilities Deliver and continuously improve Safety toolchains (FHA, FMEA/FMECAs, FTA, STPA, safety requirements, safety case tooling, configuration/change control, V&V orchestration) Define Safety reference architectures and technical baselines Ensure full Digital Thread integration and traceability across requirements, models, test, and...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jan 21, 2026  
HR Business Partner
HR Business Partner (Reading, Hybrid) Certain Advantage are recruiting on behalf of our established International Technology client in Reading for an HR BP on an initial 6 month contract (inside IR35 with option of PAYE via an Umbrella or our PAYE payroll). As an HR Business Partner for the UK business your purpose will be to drive the people strategy through providing strategic advice and support across the employment lifecycle. This is a fantastic opportunity to work with an established global organisation in supporting the UK business, acting as a trusted partner on matters of compliance, development, workforce planning and employee relations. You’ll work in close partnership with Functional HRBPs, the Global HR Answers team and other HR related stakeholders such as TA, Payroll and Comp & Bens; providing detailed advice and problem resolution on complex and sensitive HR policy interpretation and procedural issues. What we need from you Experience & Qualifications...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
Mar 13, 2026  
Medical Affairs Event Planner
Role: Medical Affairs Corporate Event Planner (Pharmaceutical Sector) * Location: Hybrid-working – Stockley Park, Uxbridge (3 days office / 2 days remote) * Length: 12-month contract * Rate: Market Rates (Inside IR35, via Umbrella) * Start Date: March 2026 (or ASAP) The Opportunity: ISR Recruitment are delighted to be supporting a leading global pharmaceutical organisation in their search for an experienced Medical Affairs and Corporate Event Planner to join their Meeting and Events team on an initial 12-month contract. This is an excellent opportunity for a highly organised and proactive professional with a background in pharmaceutical or healthcare event management to contribute to the compliant delivery of key Medical Affairs programmes, including Advisory Boards, departmental meetings and other high-profile healthcare professional (HCP) events. Skills, Qualifications and Experience: * Bachelor’s degree (or equivalent) with 4+ years’ experience in corporate...
IR35 Status:
Inside IR35

CV-Library Hillingdon, Greater London Contractor
CL
Mar 13, 2026  
BIM Technician
BIM Technician (MEP) - Contract (6-9 Months)   Heathrow Airport Contract Position (6-9 Months) Day Rate - Competitive Day Rate   Company Info   My Client is a specialist MEP contractor delivering high-quality mechanical, electrical and public health installations across complex commercial, aviation and infrastructure projects. Due to ongoing works at Heathrow Airport, we are seeking an experienced BIM Technician (MEP) to support our project delivery team on a live aviation scheme.   Role Overview This is a contract position based at Heathrow Airport, supporting the coordination and delivery of MEP services within a live aviation environment. The successful candidate will be responsible for producing and managing coordinated 3D models, ensuring clash-free installations, and supporting site teams with accurate, buildable information. Experience working on airport or live infrastructure projects is highly desirable.   Key Responsibilities Develop, update and manage...
IR35 Status:
Inside IR35

CV-Library Hounslow TW6 1EW, UK Contractor
CL
Mar 11, 2026  
Principal Engineer - Product Security
Principal Product Security Engineer 12 Month Contract (Hybrid, 2-3 days per week on site) - Frimley, Barrow or Weymouth Based £85.40 an hour Umbrella Inside IR35 This is a great opportunity to work within one of the UKs leading Defence companies based in Frimley. Hybrid, 2-3 days per week on site. Knowledge, Skills and Qualifications Knowledge: * The PSA Principal Engineer will have a good understanding of the applicable regulations, standards, policies and guidance on information risk management, to be able to identify, analyse and evaluate information risks. * They will be able to document and present risk management options to the business and participate in discussions. * Good understanding of information security principles and is able to advise on the potential impact to Product Systems. * Knowledge of security related activities required to support the engineering lifecycle with experience of operating in the phase relevant to the role. * The PSA Principal...
IR35 Status:
Inside IR35

CV-Library Frimley, Surrey Contractor
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 14, 2026  
Site Engineer - Nights / Days
Site Engineer: Night and Shifts **inside IR35** Are you an RC Site Engineer looking to work on a prestigious High Speed Project in West London? The job is 6 - 12 months working on Shafts and RC structures THIS ROLE IS ON A 11 HOUR SHIFT PATTERN - 5 days on, 2 off - 5 nights on 2 off Benefits: An opportunity to gain valuable experience on a prestigious Major project A chance to work for one of the busiest specialist contractors currently in the UK with lots of follow on work Roles and Responsibilities: Setting out and QA Ensure quality control requirements are met and recorded in accordance with specification Operate and promote a high standard of health and safety and environment compliance Raising of technical queries Ensuring that all materials used and work performed are as per specificationsCandidate Requirements: RC Structures or Shafts experience Civil Engineering Degree or equivalent Prepared to work shifts CSCS cardThink this is a job you may be interested in?...
IR35 Status:
Inside IR35

CV-Library Northolt, London Contractor
CL
Feb 19, 2026  
New Model Manufacturing Engineer
New Model/NPI Manufacturing Engineer (INSIDE IR35) About this Position Our Manufacturing Engineering team is expanding to support future growth plans. With new models come greater opportunities to develop and standardise processes that ensure every vehicle is built to the highest quality. This role is central to the success of manufacturing operations, overseeing the processes and complexities of building new models – from initial concept designs through prototypes into full series production. The position offers significant variety, with exposure to multiple projects and collaboration across concept design, engineering, and operations, giving the opportunity to influence projects from start to finish. Job Responsibilities * Create and develop deliverables for each new model introduction, including: * Vehicle assembly concept * Transition from virtual environment to physical validation and delivery * Process sequencing,...
IR35 Status:
Inside IR35

CV-Library Woking, Surrey Contractor
CL
Mar 09, 2026  
Contract Inventory & Stores Administrator
The Redline Group have partnered with our Watford-based customer in their search for a Contract Inventory & Stores Administrator on an initial 4-month contract. Working on-site, you will support the purchasing team in the management of both on and off-site inventory, as well as communicating with internal and external stakeholders. Key Skills required - Contract Inventory & Stores Administrator, Watford: Proven experience of managing inventories both on and off site Experience of working with ERP systems Experience of inventory organisational skills (5s, etc). This role has an indicative INSIDE IR35 determination therefore candidates will be required to operate via an Umbrella company. For more information or to apply for the Contract Inventory & Stores Administrator opportunity based in Watford, please contact Laura Preston - (url removed) // (phone number removed) quoting reference LMP1039
IR35 Status:
Inside IR35

CV-Library Watford, Hertfordshire Contractor
CL
Mar 11, 2026  
Network Engineer
We are currently seeking an onsite Network Engineer with experience of the delivery of support in Cisco R&S, basic firewall skills - Admin and control. THis is a support role to support a level 3 network engineer. The role is on site based in Ealing and offers a day rate of £275 inside IR35. The contract is due to start on 2nd March and will run for 3 months
IR35 Status:
Inside IR35

CV-Library Ealing, Greater London Contractor
CL
Mar 12, 2026  
Section Engineer - earthworks
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 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 encourage...
IR35 Status:
Inside IR35

CV-Library Aylesbury, Buckinghamshire Contractor
CL
Mar 11, 2026  
Vehicle Build Technician
Expleo are actively recruiting for Development and Prototype Technicians to work within a state-of-the-art factory facility, with high performance road vehicles. Working within their highly experienced team, we are offering contract inside of IR35 opportunities, based in Surrey, where you will be working to assemble, maintain, prepare, and support the operation of, multi-project test and development vehicles and rigs. Please note Unsocial hours and frequent travel may be required as part of this role including regular off-site UK, European and occasional worldwide test support duties. Responsibilities: * Build multi-project concept/mule/prototype and production level vehicles and simulation rigs to the highest standards, using specified processes where applicable. * Preparation and operation of such vehicles for test and development activities at multiple locations, including industry proving grounds and racing circuits. * Two-way interaction with design and engineering staff to...
IR35 Status:
Inside IR35

CV-Library Surrey, UK Contractor
CL
Mar 13, 2026  
Site Manager
New Opportunity for a Site Manager in Cricklewood! Role: Site Manager (Shafting/Tunneling)- Thames Water Project (Location: Cricklewood Rate: £475 p/d (Inside IR35/Umbrella PAYE) Duration: 18 Months+ (Ongoing) Sector: Water/Wastewater Bias: Civil Engineering (Shafting/Tunneling) Are you an experienced Site Manager with expertise in shafting or tunneling? Join us in Cricklewood for a prestigious Thames Water pumping station project! About the Role: As a Site Manager, you will be a key player in delivering a major pumping station refurbishment project. Located at the Cricklewood Pumping Station, a site with significant recent works, your role will involve overseeing the installation of upgrades to the pumping infrastructure, structural repairs, and various other site enhancements. You will also manage shafting and tunneling works as part of this critical upgrade for Thames Water. Key Responsibilities: ·Lead and manage site teams in delivering a complex Thames Water...
IR35 Status:
Inside IR35

CV-Library Cricklewood, London NW2, UK Contractor
CL
Mar 13, 2026  
Street Works Coordinator
Our client, one of the UK’s leading infrastructure specialists, is looking for a Streetworks Coordinator to join their regional team. This is a fantastic opportunity to be part of an organisation delivering high-impact projects across water, utilities, and essential services. You'll contribute to creating solutions that endure, add real value, and help build a more resilient future for communities across the UK. Key Responsibilities * Issue and manage Streetworks permits via the Street Manager system from submission through to closure * Ensure compliance with NRSWA requirements, managing commitments and undertakings to prevent breaches * Maintain accurate programme schedules and coordinate required notices and licences, including Section 50 applications * Liaise with local authorities and third parties regarding permits, suspensions, road closures, and modification requests * Review and respond to Fixed Penalty Notices (FPNs) and Section 74...
IR35 Status:
Inside IR35

CV-Library AL1, St Albans, Hertfordshire Contractor
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