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Contractor 194
Inside IR35 Aylesbury

194 jobs found in Aylesbury

CL
Apr 12, 2026  
Sourcing Manager
Sourcing Manager (Procurement) | Contract | £646 per day (umbrella) | Inside IR35 | Milton Keynes Ceto Talent is recruiting for a Sourcing Manager (Procurement) to join a major rail infrastructure organisation on an initial 6-month contract, with a view to extension. Based in Milton Keynes with 3 days per week in the office, this is a senior sourcing role managing multi-million-pound opportunities across complex spend categories. Rail experience is essential for this role. Essential Requirements * Rail sector experience — essential. * Degree in Business or Economics, or equivalent proven commercial experience. * Extensive sourcing experience with a demonstrable track record of savings delivery. * Proven negotiation and dispute resolution skills at an expert level. * Demonstrable experience of contract law and financial management. * Proven experience driving value from complex sourcing opportunities, including within an OJEU/procurement legislative environment....
IR35 Status:
Inside IR35

CV-Library Loughton, Milton Keynes Contractor
CL
Apr 16, 2026  
Interim Strategic Sourcing Manager
We're looking for an experienced Interim Strategic Sourcing Manager to join a team and play a pivotal role in shaping effective sourcing strategies, delivering commercial value, and enabling strong supplier partnerships. If you're commercially minded, analytical, and confident advising stakeholders at all levels, this role offers the opportunity to make a significant impact. Client Details The employer is a large organisation operating within the public sector, committed to delivering high-quality services and optimising resources. The company fosters a professional environment and focuses on impactful procurement and supply chain management. Description Key responsibilities include: Develop and implement sourcing strategies that align with business goals and long‑term market conditions. Analyse market trends and data to advise on future changes, risks and opportunities. Identify required goods and services, evaluate potential suppliers and explore suitable markets. Forecast...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Apr 12, 2026  
Sourcing Manager
Our client, a leading name in the procurement within civil engineering, is looking to bring on a talented Sourcing Manager. This position provides a platform to utilize your expertise in a challenging yet rewarding environment. Role: Sourcing Manager Contract Length: 6 months Location: Milton Keynes *Hybrid - 3 days/week in the office) Pay Rate: £(Apply online only)/day (Inside IR35) Role Overview This role involves managing sourcing activities for medium-cost and business-risk opportunities. You'll be responsible for generating ideas and collaborating with stakeholders to deliver significant commercial and contractual value. Key Responsibilities Manage the sourcing process from business requirement to contract signature for complex spending categories. Implement approved Integrated Category Strategies (ICS) for maximum savings. Apply the Sourcing Framework for opportunities outside ICS and manage risk and governance requirements. Expert negotiation for sourcing savings...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Apr 12, 2026  
Sourcing Manager
Job Title: Sourcing Manager Location: Milton Keynes (3 days/week on site) Contract Duration: 6 Months with a view to extending Daily Rate: £646/day (Umbrella – Maximum) IR35 Status: Inside IR35 Essential Educated to a Business or Economics degree standard or equivalent business experience Deep level of Sourcing experience, with a demonstrable track record of savings delivery Demonstrable level of negotiation and dispute resolution skill set Demonstrable experience of contract law and financial management Demonstrable experience of driving value from complex sourcing opportunities Experienced with agile cross-functional collaborative working methods Politically savvy, with the proven ability to use direct and indirect influencing strategies at an executive level Demonstrable level of problem-solving experience of complex sourcing specific challenges Completer finisher mindset PA2023 CIPS Manage the sourcing activities for multi-million-pound, medium cost and business risk...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, UK Contractor
CL
Apr 11, 2026  
Quality Inspector
Quality Inspector  Rate: £25.00 – £30.00 per hour (Umbrella) Contract Role Inside IR35 Duration – 3 month rolling contract Day shift or late shift positions available ReeVR are currently recruiting for an experienced Quality Inspector to join our clients leading manufacturing organisation. This is an excellent opportunity for a detail-oriented professional with strong inspection experience to contribute within a high-quality, fast-paced environment. The Quality Inspector will meet the following key responsibilities: Perform final inspection and goods-inwards inspection of components, ensuring compliance with drawings Work to daily inspection targets, ensuring efficiency and accuracy Maintain and monitor calibration of inspection equipment Conduct release inspection prior to shipment Exercise independent judgement in quality-related decisions Support additional quality activities as required  Using inspection tools  (e.g., verniers, micrometers, gauges)Skills &...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire, South East Contractor
CL
Apr 10, 2026  
Senior Subcontract Buyer
A highly reputable defence client based in Luton are seeking an experienced Senior Subcontract Buyer to support their Global Combat Air Programme Procurement team. Role: Senior Subcontract Buyer Location: Luton (2/3 days onsite) Duration: 6-month contract Pay: Up to £50 p/hr (Inside IR35)As a Senior Subcontract Buyer, you will play a vital role managing a portfolio of sub‑contracts, supporting bidding activity, and ensuring execution excellence. Key Responsibilities Generate Procurement inputs for bids and business‑winning activities. Build effective relationships with internal stakeholders to drive successful outcomes. Translate project or customer requirements into clear Procurement documentation. Procure Commercial Off‑The‑Shelf (COTS) items for development programmes. Develop, negotiate, and manage contracts using both standard and non‑standard formats. Oversee supplier performance and ensure contract delivery meets expectations. Assess and mitigate commercial risks when...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Apr 12, 2026  
Lead Integration Architect (SOA / Cloud)
Lead Integration Architect (SOA / Cloud) - Paying between £600 to £700 Per Day, Inside IR35, Hybrid Working, Based near Oxford, 12 Month Contract, To Start ASAP Your new company We are a nationally significant scientific and engineering organisation operating within one of the most complex technical environments in the UK. As part of our long‑term digital modernisation, we are moving away from legacy monolithic applications and establishing a cloud‑based, service‑oriented ecosystem. This shift is essential to supporting the future of our experimental workflows, data services and operational capabilities. As the transition progresses, a major challenge has emerged, while the services now exist in the cloud, they have not yet been shaped into a coherent, well‑designed service architecture. Interoperability, service boundaries, communication patterns and data flow design all require firm direction. We are now looking for a Software Architect with deep SOA expertise to define the...
IR35 Status:
Inside IR35

CV-Library Oxfordshire, UK Contractor
CL
Apr 16, 2026  
AIT) Electrical Test Operations Engineer
AIT Electrical Test Operations Engineer Location: Oxford (Onsite, UK Eyes Only) Clearance: SC Required Rate: £37.00/hr (Umbrella, Inside IR35) Hours: 37 per week Shift Pattern: Up to 24/7 rotation, including weekends Initial Base: Stevenage, transitioning to RAL NSTF, Oxfordshire in March 2026 Role Overview The AIT Electrical Test Operations Engineer plays a key role in the preparation, execution, and analysis of electrical and functional testing for spacecraft and engineering test benches. Operating within a cleanroom environment, the engineer ensures that spacecraft systems meet stringent performance and safety standards ahead of environmental testing and launch campaigns. Key Responsibilities Core Activities Executes electrical and functional test procedures on engineering test benches and flight spacecraft. Utilises the Central Checkout System (CCS), Electrical Ground Support Equipment (EGSE), and Spacecraft Check-Out Equipment (SCOE). Validates electrical test aids,...
IR35 Status:
Inside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Apr 11, 2026  
Systems Engineer
We're looking for talented Systems Engineers to support a major defence engineering programme focused on complex, software intensive systems and advanced platform integration. If you thrive in high integrity environments and enjoy solving multi-faceted technical challenges, this contract offers a compelling opportunity. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays Contract Details Duration: 12 months Hours: 37.5 per week Working Pattern: 4?day week (Mon-Thurs) with flexible arrangements Rate: Competitive per hour (Inside IR35) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview You'll join a growing engineering function supporting multiple business areas, including platform systems and special projects. These roles are driven by increased demand across complex system integration activities, including work on next generation turreted systems and other mission critical...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 15, 2026  
Grounds Maintenance
Grounds Maintenance Operative (Level 4) 📍 Slough Area 💰 £14.46 per hour (PAYE) 🕒 Full-time | 37 hours per week (07:00 – 15:30) 📅 Ongoing Temporary Contract 💼 Agency Role | Inside IR35 🚨 We are currently recruiting 10 Grounds Maintenance Operatives to join a busy and well-established environmental services team. This is a fantastic opportunity for reliable and hardworking individuals with grounds maintenance or outdoor labouring experience to secure consistent, full-time work with weekly pay. 🌱 Key Responsibilities You will be responsible for maintaining parks, open spaces, and public areas to a high standard. Duties will include: * Grass cutting and lawn maintenance * Hedge trimming and shrub care * Litter picking and cleaning of outdoor furniture * Maintenance of flower beds, planting areas, and ornamental displays * Preparation and upkeep of sports pitches * Safe application of weed control treatments * Carrying out minor tree works * Supporting landscaping...
IR35 Status:
Inside IR35

CV-Library SL1, Slough, Berkshire Contractor
CL
Apr 11, 2026  
Mechanical Design Consultant
Our client, a Defence and Security supplier is looking for a Mechanical Design Engineer to join them on a contract basis at their site in Maidenhead. Due to the nature of the role, applicants must hold the sole British nationality and current SC Clearance 6-month initial contract £60 p/h Umbrella, inside IR35 Fully onsite in Maidenhead due to the nature of the role Job Description: Design, develop, test, and document mechanical assemblies through the full product lifecycle. Deliver robust mechanical solutions using company engineering tools and processes. Create and review mechanical documentation: design packs, analysis reports, plans, and procedures. Define and analyse mechanical performance and functional behaviours. Optimise designs for various manufacturing methods (machining, moulding, extrusion, sheet metal, casting). Perform tolerance analysis for precision parts and complex assemblies. Produce designs compliant with MIL‑STD, DEF‑STAN, EMC, TEMPEST, and environmental...
IR35 Status:
Inside IR35

CV-Library Maidenhead, Berkshire Contractor
CL
Apr 11, 2026  
Mechanical Design Engineer
Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be responsible for...
IR35 Status:
Inside IR35

CV-Library Bedfordshire, UK Contractor
CL
Apr 16, 2026  
SAP FI/CO Project Manager / PMO
SAP FI/CO Project Manager / PMO £500 Day Rate - Inside IR35 12 Month Contract Hybrid - Hertfordshire (with occasional international travel, c.20%) Must be eligible to work in the UK    We are supporting an organisation undergoing a significant SAP transformation programme and are looking to engage an experienced SAP FI/CO Project Manager with a strong understanding of PMO governance. This role will take ownership of delivering SAP initiatives aligned to business priorities, ensuring structured delivery across scope, timelines & budget.    Key Responsibilities: Lead end-to-end delivery of SAP projects across the full lifecycle Drive alignment with PMO governance, reporting and delivery frameworks Manage project scope, timelines, risks & budget Work closely with business stakeholders to define objectives and deliverables Develop, maintain detailed project plans, and resource allocation Provide regular reporting and updates to senior stakeholders Facilitate...
IR35 Status:
Inside IR35

CV-Library Hertfordshire, UK Contractor
CL
Apr 11, 2026  
Senior Planning Officer
Senior Planning Officer Hertfordshire £45p/h Inside IR35 Do you want to work for a highly motivated local authority planning team who consistently delivers a high level of service?   You will be mainly working from home, with the exception of site visits and key meetings. The office location can be discussed upon application to the role.   This newly created role is because of an increase in workload due to continued development in the local area. The local authority is looking to bring in an experienced planner that can hit the ground running with minimal supervision. You will be required to work both individually and as part of a team to continue the high level of service that the local authority operate to currently. You will be managing a mixed caseload of applications so must be comfortable with this variety.   To be successful in this position you MUST HAVE: ·Valid UK driving license ·Be comfortable working from home and using Microsoft Teams/Zoom ·Please note...
IR35 Status:
Inside IR35

CV-Library Hertfordshire, UK Contractor
CL
Apr 16, 2026  
Civil Engineering Technical Lead
This is an exciting opportunity for a Civil Engineering Technical Lead to join our client's project management team during Pre‑FEED on a multi‑billion dollar petrochemical expansion project. The successful candidate will provide civil and structural technical leadership and oversee the quality of the contractor's deliverables. This major CAPEX development includes a world‑scale mixed‑feed steam cracker integrated with significant refinery upgrades to increase olefins production, convert fuel oil to higher‑value products, expand utilities, and reduce GHG emissions. Applicants must be civil engineering subject matter experts with experience on large‑scale petrochemical projects (or similar). The role includes leading civil input on an extensive modularisation project including the development of a heavy‑haul route, and civil / structural design for onshore and offshore facilities. Responsibilities include guiding contractor design and analysis, supporting weight management,...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 16, 2026  
Senior Category Manager - SC
Job Title: Senior Category Manager - SC Location: Reading  (2-3 days/week on site) Contract Duration: 8 Months Daily Rate: £77.20/hr(Umbrella – Maximum) IR35 Status: Inside IR35 Security Clearance: SC & Sole Uk National Essential Requirements: Significant Public Sector Procurement experience (5+ years) Supplier Relationship skills Facility Management (FM) or Works experience (Must have) Not necessarily heavy construction but definitely FM. NEC Experience or at least a good understanding of how it operates Good working knowledge of how a contract operates Must have led/delivered procurement projects in a highly regulated, complex, environment.Need someone with real ‘doing’ experience. Project is in Procurement stage - Needs analysis stage to contract stage Key Accountabilities: Develop and implement Category Strategies for assigned sub-group of categories, balancing short and long-term objectives to meet business strategy and efficiencies (savings) in alignment with...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
Apr 16, 2026  
Human Resources Administrator
Location: Reading (up to 2 days per week onsite) Contract Length: 6 months (possibility of extension) Security Clearance: SC Clearance (essential) IR35 Status: In Scope Rates: £18.16 per hour Umbrella About the Role We are seeking two HR Advisors to provide administrative and data entry support within a busy HR team. This role offers the chance to work on a variety of HR transactions and act as a first point of contact for employees and managers. The position requires attention to detail, confidentiality, and strong organizational skills, with at least one day per week onsite and additional touchpoints as needed. This role is ideal for candidates with experience in HR administration who are comfortable handling sensitive information and delivering high-quality, accurate HR support. Key Responsibilities * Deliver timely and accurate transactional HR services * Maintain and update HR systems with precise data entry * Provide first point of contact support via email, telephone,...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 12, 2026  
Project Manager – SAP S/4HANA & CX Transformation
Job Title: Project Manager – SAP S/4HANA & CX Transformation Location: Reading - 2 day Employement type: Contract/Permanent Job Type: 6 months- Inside IR35 Role overview: Project Manager – SAP S/4HANA & CX Transformation Role Overview An experienced Project Manager is required to lead the delivery of a greenfield SAP S/4HANA and SAP CX transformation for a mid-market organisation. This role requires a delivery leader who has successfully managed end-to-end SAP programmes of similar scale and complexity, with a strong command of SAP Activate methodology, and the ability to balance structure with pragmatic execution. Key Responsibilities Project Leadership & Governance Own the end-to-end project plan, milestones, and delivery across all SAP Activate phases * Establish and manage governance structures including status reporting, RAID logs, and steering committees * Ensure alignment across stakeholders, workstreams, and delivery partners Delivery Management Lead...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 12, 2026  
IT Systems Engineer Lead
IT Systems Engineering Lead - Major Energy/Petrochemical Project Location: Reading, UK (On‑Site) Hours: 37.5 per week Contract Length: 12 Months, start date ASAP Pay Rate Banding: PAYE - £43-17ph - £58.46ph / Umbrella - £56.91ph - £75.31ph IR35:Inside of IR35 About the Opportunity Our Client is delivering a large‑scale petrochemical and refinery upgrade programme aimed at modernising existing assets, integrating new world‑scale facilities, and significantly reducing greenhouse gas emissions. As part of this major long‑term project, they are seeking an experienced IT Systems Engineering Lead to join their Project Management Team based in Reading. This is a senior technical leadership role, supporting the pre‑FEED and FEED phases of a complex integrated refinery and petrochemicals development. You will represent Our Client in guiding contractors, shaping engineering standards, driving IT/OT system integration, and ensuring robust, secure, and cost‑effective digital...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Apr 11, 2026  
Senior Commissioning Engineer (Mechanical)
We are seeking an experienced Senior Commissioning Engineer with Mechanical experience to support a major defence project at a secure, highly regulated site near Reading. This is a senior role, supporting the management team; site-based role requiring a high level of technical expertise, leadership, and experience in commissioning, testing, and assurance of mechanical systems and equipment within safety-critical environments. Role: SeniorCommissioning Engineer - Mechanical Bias Location: Reading (site-based) Salary: Up to £60 Per Hour Inside IR35 (Based on year's experience) Key Responsibilities ·Lead and oversee the commissioning, testing, and validation of mechanical equipment on a complex defence project and provide technical leadership and mentorship to junior commissioning engineers and site teams. ·Develop, review, and approve commissioning strategies, test procedures, and method statements, alongside supervising functional testing, fault finding, and troubleshooting of...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
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