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Inside IR35 Contractor Princes Risborough

135 jobs found in Princes Risborough

CL
Jun 24, 2026  
QA Site Engineer
QA Site Engineer Location: HS2 Calvert North, Buckinghamshire Rate: £470 per day (Inside IR35) Contract: 6-Month Rolling Contract Are you an experienced QA Site Engineer eager to play a key role in a major UK infrastructure project? This is your chance to work on one of the country's largest civil engineering schemes, supporting complex earthworks and drainage packages while ensuring the highest quality standards. Join a dynamic team and elevate your career with this exciting opportunity for immediate start and long-term growth. About The Role: Manage and oversee quality assurance processes across earthworks and drainage works Conduct inspections, complete quality records, check sheets, and ITPs in line with project specifications Ensure works comply with HS2 standards, drawings, and quality requirements Carry out site audits, identify non-conformances, and manage NCRs to resolution Collaborate with site teams, subcontractors, and stakeholders to uphold quality standardsAbout...
IR35 Status:
Inside IR35

CV-Library Buckinghamshire, UK Contractor
CL
Jul 01, 2026  
Product Cyber Security Lead
Copello are looking for Product Cyber Security Lead to join an organisation in the Buckinghamshire area on an initial 12 month contract. The Cyber Security Lead will assist with the end‑to‑end implementation of US Department of Defense (DoD) cyber security requirements for a mission‑critical product development programme. Key Responsibilities 1. Cyber Requirement Implementation * Interpret and implement US Government‑flowed cyber and information‑assurance requirements across the product lifecycle. * Ensure compliance with the following (non‑exhaustive) set of standards and contractual flows: * DoD 8140.01 (cyber workforce qualification) * NIST SP 800‑171 (CUI protection) * DI-IPSC‑82249, DISA STIGs, DI‑MGMT‑82191, DI-MISC‑80508 2. Product and Engineering Assurance * Define and maintain the programme Cyber Security Plan, including CUI handling, secure development practices and compliance evidence. * Lead cyber risk assessments, threat modelling...
IR35 Status:
Inside IR35

CV-Library High Wycombe, Buckinghamshire Contractor
CL
Jun 09, 2026  
Product Cyber Security Lead
Copello are looking for Product Cyber Security Lead to join an organisation in the Buckinghamshire area on an initial 12 month contract. The Cyber Security Lead will assist with the end‑to‑end implementation of US Department of Defense (DoD) cyber security requirements for a mission‑critical product development programme. Key Responsibilities 1. Cyber Requirement Implementation * Interpret and implement US Government‑flowed cyber and information‑assurance requirements across the product lifecycle. * Ensure compliance with the following (non‑exhaustive) set of standards and contractual flows: * DoD 8140.01 (cyber workforce qualification) * NIST SP 800‑171 (CUI protection) * DI-IPSC‑82249, DISA STIGs, DI‑MGMT‑82191, DI-MISC‑80508 2. Product and Engineering Assurance * Define and maintain the programme Cyber Security Plan, including CUI handling, secure development practices and compliance evidence. * Lead cyber risk assessments, threat modelling and...
IR35 Status:
Inside IR35

CV-Library High Wycombe, Buckinghamshire Contractor
CL
Jun 24, 2026  
Interim Employee Relations Specialist (Hybrid)
The Interim Employee Relations Specialist (Hybrid) is a circa 2 month opportunity to cover a vacancy within the HR team of an Industrial/Construction organisation. The role involves addressing employee relations matters and ensuring compliance with HR policies across disciplinaries, grievances, dismissals, absence and performance management. Client Details The company operates in the Industrial/Construction industry and is recognised as a small-sized organisation with a focus on fostering professionalism and adherence to HR best practices. It is committed to maintaining a supportive and efficient workplace environment. Description The Interim Employee Relations Specialist (Hybrid) duties will include: Provide expert guidance on employee relations issues, including disciplinary and grievance procedures. Ensure HR policies and practices are consistently applied across the organisation. Offer advice to managers on employment law and best practices in the property sector. Support...
IR35 Status:
Inside IR35

CV-Library Hemel Hempstead, Hertfordshire Contractor
CL
Jul 01, 2026  
Contract Network Engineer
Contract Network Engineer Oxford - 3 days per week Rate: £500 PD (Inside IR35) 6-12 Month ContractOverview We are seeking a skilled Network Engineer on a contract basis to join our clients IT Operations team. In this role, you will ensure the reliability, performance, and security of critical network infrastructure across the company, data centre, and multi-cloud environments (AWS/GCP). While primarily focused on networking, you will also support occasionally on systems administration tasks as needed, making you a versatile contributor in a fast-paced, collaborative environment supporting cutting-edge technology. Role and Responsibilities Administer, operate, and maintain enterprise network infrastructure, including LAN/WLAN, VPNs, DNS/DHCP/IPAM, firewalls, and cloud networking (AWS, GCP). Proactively monitor and troubleshoot performance, availability, and connectivity issues, taking ownership of incident resolution end-to-end. Support systems administration tasks when required,...
IR35 Status:
Inside IR35

CV-Library Oxford, UK Contractor
CL
Jun 27, 2026  
Electrical Test Operations Engineer
Our client has an opportunity for an Electrical Test Operations Engineer to join them on a contract role for 6 months with possible extension. You will be Executing electrical and functional test procedures on engineering test benches and flight spacecraft in accordance with Work Orders, test procedures and processes. Role: Electrical Test Operations Engineer Location: Oxford Hours: Shift work Monday to Sunday - either rotating double day shifts or rotating Early, late ,nights depending on project need. There may be periods of flexible shift depending on project phases. Clearance: SC required before Hourly Rate: £37 per hour via Umbrella, inside IR35 + a 20% shift uplift when working on shift What you'll be doing: Execution of Electrical and Functional test procedures on Engineering test benches and flight spacecraft. Use of the Central Checkout System (CCS), Electrical Ground Support Equipment (EGSE) and Spacecraft Check Out Equipment (SCOE) to support the test activities....
IR35 Status:
Inside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
Jun 07, 2026  
C&I Technician (Control & Instrumentation)
C&I Technician (Control & Instrumentation) 1 year Contract  Oxfordshire IR35: Inside   Minimum Requirement: The purpose of this role is primarily expected to provide C&I Technician (Control & Instrumentation) support to the MAST-U facility working across different groups, and on a wide range of control and instrumentation systems. This shall include working both within a workshop environment and on industrial plant to both construct and repair C&I systems, perform bench testing and fault finding.   The Role:  Perform fault finding and repairs to C&I system under supervision, both with and without written test procedures. Provide C&I wire person/panel builder support to Plant Responsible Officers (PROs); to support fault finding and repair work on C&I systems associated with the MAST-U facility. Procure, build, test and commission new plant and equipment (i.e. cubicles, sub racks/assemblies and electronic cards) to defined requirements. Take...
IR35 Status:
Inside IR35

CV-Library Oxford, UK Contractor
CL
Jul 01, 2026  
Commissioning Manager - Mechanical
Commissioning Manager (Mechanical Bias) - AWE Burghfield Location: AWE Burghfield (site-based, full-time) Rate: £600/day (Umbrella PAYE, Inside IR35 - all-in) Duration: ASAP - September 2026 Clearance: SC preferred (must be eligible to obtain) We are seeking an experienced Commissioning Manager (Mechanical) to support a major programme within a highly regulated nuclear environment. This role requires a technically strong, self-starting professional with deep experience in mechanical systems, commissioning processes, and documentation within controlled environments. Role Overview Lead and manage commissioning activities across mechanical systems and associated infrastructure Oversee full commissioning lifecycle including planning, execution, and handover Manage and review commissioning documentation, ensuring accuracy and compliance Coordinate with multidisciplinary teams to ensure systems are delivered safely and to specification Act as a technical authority on mechanical...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jul 01, 2026  
Planner - SC
Job Title: Planner - SC Location: Aldermaston, Reading (2 days / week on site) Contract Duration: 6 Months Daily Rate: £59.94/hr (Umbrella – circa) IR35 Status: Inside IR35 Security Clearance: SC clearance The delivery of the complete planning capability within the business by maintaining the Integrated Master Schedule (IMS). Supporting the Task Manager with business rhythms, schedule integrity, network analysis, Earned Value and communications with the program and business teams. Providing Planning expertise to internal customers within the projects supported. Implementing Planning processes, policies and procedures within the projects supported. Producing Planning and EV deliverables in accordance with agreed business rhythm within the projects. Deliver of long range operational integrated Programme Planning activities. Supporting the Business Management Manager with emergent projects as directed by Business Controller. Developing and maintaining relationships with and...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
Jun 24, 2026  
Process Safety Engineer
This is an opportunity for a Process Safety Engineer to join a Joint Venture PMT during the pre-FEED of a $ multi-billion project. You will provide authoritative process safety input to shape safe, operable and cost-effective design, ensuring risk is fully understood and embedded in early project decisions. Role Purpose Lead the application of process safety engineering across the project, influencing design, managing risk, and ensuring compliance with company and regulatory standards. This role combines technical depth with strong stakeholder engagement. Key Responsibilities Process Safety Engineering Leadership Act as Client authority for process safety, guiding inherently safe design Provide risk-based input to Project Management decision-making Assess complex safety issues and communicate implications clearlyHazard Identification & Risk Assessment Lead and participate in HAZOP, PHA and other risk studies Perform and review consequence analysis (dispersion, fire,...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 21, 2026  
Senior Civil Design Engineer
Job Title: Civil Engineer Salary: £50 - £60 (dependent on experience) Location: Reading Type: Contract - Inside IR35, hybrid working About the Role: Our client is seeking a Civil Engineer with 5+ years' experience who is ready to hit the ground running. You'll work closely with a senior engineer on a diverse portfolio of projects, including large-scale civil schemes and complex mechanical and electrical designs. Your work will cover design development and, when design work slows, involvement in project management and commercial activities. This role offers significant development opportunities due to the breadth of experience it provides. About Our Client: Our client is a well-established engineering organisation delivering innovative and complex infrastructure projects across the UK. They value versatility, technical expertise, and the opportunity for engineers to develop across multiple disciplines. Key Responsibilities: Design development across civil, mechanical, and...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 21, 2026  
HR Advisor - 6 months temp
We are recruiting for a HR Advisor to join a leading organisation on a 6-month temporary contract. This is an excellent opportunity for an experienced HR professional to support a busy HR function, working across a mix of project-based activity and BAU, ticket-based HR administration. Hourly Pay Rate: £18.16 Umbrella / £13.38 PAYE The Role You will play a key role in delivering a high-quality HR service, supporting employees and managers with a range of queries and processes. The position combines customer-facing HR support with system-based administrative work. Depending on start date, you may be involved in ongoing HR projects or focus primarily on BAU case and ticket management. Key Responsibilities Managing HR queries via internal systems (predominantly ServiceNow) Supporting employees through HR processes via Teams (including screen sharing) Handling learning and development-related queries Maintaining accurate employee records and data entry Providing general HR...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 17, 2026  
Electrical Technician
Electrical Technician – Abingdon - £30-45phr An Electrical Technician is required ASAP on a long-term contract basis (inside IR35) for a growing and interesting company in the Abingdon area. The Electrical Technician will be responsible for * Electrical installation * Commissioning * Panel wiring * Rack building and wiring * Electrical machine installation The ideal Electrical Technician will have: * Electrical qualification * LV electrical experience * Industrial biased experience – manufacturing, special purpose machinery process, energy etc. * PLC Controls and Instrumentation knowledge desirable In return the Electrical Technician will get the opportunity to join a well-established company offering very interesting work, and long term contract opportunities. If you’re an Electrical Technician with previous installation and commissioning experience, apply now to find out more
IR35 Status:
Inside IR35

CV-Library Abingdon, Oxfordshire Contractor
CL
Jun 27, 2026  
Network Engineer
Cisco ISE Network Security Engineer Location: Luton (20% onsite / 80% remote) Rate: £60-£65 per hour (Inside IR35) Duration: 6 months Security Clearance: BPSS required prior to start Overview We are seeking an experienced Cisco ISE Network Security Engineer to support the delivery of a unified Network Access Control (NAC) solution across a large enterprise environment. This project will enhance network security, standardise access control, and centralise policy management across multiple UK locations. The successful candidate will play a key role in the deployment, configuration, testing, migration, and go-live activities associated with Cisco Identity Services Engine (ISE) appliances and services. This includes implementing approved low-level designs, migrating existing NAC services, and providing technical leadership throughout the deployment lifecycle. Key Responsibilities Lead the deployment, configuration, and implementation of Cisco ISE solutions across enterprise...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Jun 27, 2026  
SAP Specialist - SC Cleared
SAP Fiori Consultant (SC Cleared) - S/4HANA Finance Transformation 📍 Location: Luton (20% onsite / 80% remote) 💰 Rate: £85-£93 per hour (Inside IR35) 📅 Contract: 6 Months 🔐 Clearance: Active SC Clearance Required Join a Major S/4HANA Finance Transformation Programme We are looking for an experienced SAP Fiori Consultant to play a key role in a large-scale S/4HANA Finance transformation. This position will focus on activating and configuring SAP Fiori applications across Finance, Treasury, Taxation, and Reporting workstreams while ensuring full alignment with SAP GRC Access Controls and security governance requirements. This is an excellent opportunity to work within a high-profile enterprise programme, collaborating with Finance, Security, GRC, and SAP delivery teams to deliver a modern, compliant, and user-focused Fiori experience. Key Responsibilities Activate and configure standard SAP Fiori applications identified during L4 Finance design workshops. Design and maintain...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Jun 26, 2026  
Network Engineer
Network Engineer Location: Luton (approx. 20% onsite) Duration: 6 months Rate: £66.97 per hour (Umbrella) IR35: Inside Clearance: BPSS is required ahead of starting Overview Seeking a Network Engineer to deliver a single, unified Network Access Control (NAC) solution to support multiple UK sites. You'll support the configuration, testing and go-live of Cisco ISE hardware appliances, lead logical policy configuration, and migrate services from existing NAC solutions, implementing an approved low-level design. Responsibilities: Lead the deployment, configuration, and implementation of Cisco ISE solutions across enterprise environments * Implement network access control (NAC) policies, including 802.1X authentication, MAB, and guest access workflows * Integrate Cisco ISE with network infrastructure components such as switches, wireless controllers, firewalls, Entra ID and Active Directory * Testing & validation: Functional testing, failover testing, and acceptance...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Jun 25, 2026  
SAP Specialist
SAP Specialist 6 month contract Inside IR35 Up to £96.33 per hour Umbrella (DOE) Our client is seeking an experienced SAP Specialist to join their team on a contract basis. This role focuses on activating and configuring standard Fiori apps across Core Finance, Treasury, Taxation, and Reporting within an S/4HANA Finance transformation. Key Responsibilities: Activate and configure in-scope standard SAP Fiori apps identified through L4 Finance design sessions. Build and maintain Fiori Launchpad catalogues, spaces, pages, and tiles. Collaborate with the SAP GRC team to ensure all catalogue and role design aligns with UAR, SoD, and role-based access controls. Provide support to functional Finance, Treasury, Tax, and Reporting teams with app feasibility, design input, and configuration insights. Prepare configuration documentation and manage the transport process through Test and Production. Support SIT and UAT cycles, resolving configuration and access-related issues. Core...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Jun 25, 2026  
Lead Solution Architect
Lead Solution Architect Location: Luton - Hybrid – 2 to 3 days per week onsite Start Date: ASAP Contract Rate: £500–£545 per day inside IR35 Duration: 12 months initially Role Overview Our client is seeking an experienced Lead Solution Architect to drive end-to-end solution design across a strategic programme within the airline operations domain. This is a high-impact role where you will define the architecture vision, align multiple product teams, and ensure scalable, cohesive, and business-aligned solutions. You will operate at the intersection of architecture, delivery, and product, setting technical direction, establishing guardrails, and enabling teams to deliver effectively while maintaining architectural integrity. Key Responsibilities * Provide architecture leadership across a mission-level initiative, defining and owning the overall solution vision * Shape end-to-end solutions spanning multiple teams, platforms, and technology domains * Establish...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
May 31, 2026  
Medical Affairs Event Planner
Role: Event Planner II – Medical Affairs (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: June 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 event...
IR35 Status:
Inside IR35

CV-Library Hillingdon, Greater London Contractor
CL
Jun 26, 2026  
SC Network Delivery Manager CGEMJP00328387
Role Title: Network Delivery Manager Duration: 4 month initial contract with potential for extension Location: Wokingham, hybrid 2/3 days per week onsite Rate: up to £533.60 p/d Umbrella inside IR35 Clearance required: Active SC Clearance is required Role purpose / summary Lead the end‑to‑end delivery of network projects (LAN/WAN, SD‑WAN, Wi‑Fi, security, cloud connectivity, etc.). Translate business requirements into delivery plans, ensuring alignment between technical teams and business stakeholders. Manage project scope, timelines, risks, and budgets using appropriate delivery frameworks (e.g., Agile, Waterfall). Ensure smooth deployment of network upgrades, migrations, and expansions across multiple sites. Coordinate with architecture, engineering, operations, and third‑party vendors to ensure seamless delivery. Stakeholder & Vendor Management Act as the primary point of contact for network delivery-related communications. Maintain strong relationships with...
IR35 Status:
Inside IR35

CV-Library Wokingham, Berkshire Contractor
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