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Contractor 46
Inside IR35 relief support worker

46 relief support worker jobs found

CL
Jun 28, 2026  
MLOps Engineer
MLOps Engineer Location: Remote (Occasional travel to their London office) Contract: Inside IR35 Day rate: Up to £800 per day Duration: 6 months Start date: ASAP Key words: Machine Learning, Python, containerization (Docker), CI/CD, Azure As part of our Client's AI Engineering team, you will own the infrastructure and delivery pipelines that keep our AI-driven products reliable, scalable, and fast. You will design and maintain the cloud environments, CI/CD workflows, and observability systems that enable our engineers to ship with confidence. Key Skills: - Solid programming skills in Python (plus experience with web libraries like FastAPI, Flask, or Django) - Hands-on experience with ML model deployment and monitoring in production Knowledge of containerization (Docker) - Experience with CI/CD pipelines and cloud environments (we use Azure) Assignment Objectives - Implement or improve model monitoring and operational controls for AI/ML systems. - Build and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 28, 2026  
Senior Platform Engineer
Senior Platform Engineer Location: Remote (Occasional travel to their London office) Contract: Inside IR35 Day rate: Up to £800 per day Duration: 6 months Start date: ASAP Key words: Azure, Terraform, containerization, CI/CD As part of our Client's AI Engineering team, you will own the infrastructure and delivery pipelines that keep our AI-driven products reliable, scalable, and fast. You will design and maintain the cloud environments, CI/CD workflows, and observability systems that enable our engineers to ship with confidence. Key Skills: - Strong experience with Azure cloud services (compute, networking, storage, identity) - Proficiency with Infrastructure as Code (Terraform) - Solid experience building and maintaining CI/CD pipelines (GitHub Actions) - Hands-on experience with container orchestration (Kubernetes, Docker) - Proficiency in scripting and automation (Python, Bash, or similar) - Understanding of networking fundamentals, security best practices, and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 28, 2026  
Aviation Technical Publications Specialist
Our client has an opportunity for an experienced Aviation Technical Publications Development/Authoring Specialist to join them working on the UK CH-47 programme. This is an exciting opportunity to join an established organisation providing class leading support in a rotary wing engineering MRO environment. Role: Technical Publications Specialist Location: UK South Coast Shifts: Full-Time, Days, Mon - Fri IR35 Status: Inside Security Clearance: Full SC clearance is required Hourly Rate: TBA Assignment Duration: 6 Months For your application to be considered it is a requirement that you hold UK 'right to work' at the time of application. The role involves organising, reviewing, and editing technical publications, documentation, and related data, while gathering and analysing customer requirements to define scope and deliverables. You will support a variety of technical publications for the platform, including the development and maintenance of Aircraft Maintenance Manuals...
IR35 Status:
Inside IR35

CV-Library Gosport, Hampshire Contractor
CL
Jun 28, 2026  
Senior Category Buyer
Senior Category Buyer (Infrastructure / NEC Contracts) Location: Warwick (Hybrid - with supplier site visits) Pay Rate: £500 per day via umbrella (Inside IR35) Contract Length:12-month contract The Opportunity We're supporting a major UK infrastructure organisation at a pivotal point in a long-term investment programme. They are looking for an experienced Senior Category Buyer to take ownership of a newly established procurement framework and play a key role in delivering a pipeline of critical projects. This is a fantastic opportunity to step into a high-impact, autonomous role, where you'll help shape procurement delivery over the next five years - blending strategic influence with hands-on sourcing. The Role This is a high-volume, delivery-focused procurement role, where success comes from managing multiple sourcing activities simultaneously rather than focusing on one large project. You'll play a key role in bringing suppliers, project teams, and internal stakeholders...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Jun 27, 2026  
Security Designer/Security Architect
Security Designer/Security Architect (SC Cleared) - Remote- £500 - £600 per day Inside IR35 DOE Role Overview We are seeking an experienced SC Cleared Security Design/Security Architect to support the delivery of secure services within a major Home Office programme. The successful candidate will work with solution architects, engineering teams, security stakeholders and delivery managers to ensure security requirements are effectively incorporated into system and service designs. The Security Design/Security Architect will be responsible for producing security designs, undertaking threat modelling activities, assessing security risks, supporting assurance processes and ensuring compliance with wider Government security standards. Key Responsibilities Develop and maintain security design documentation for new and existing services. Produce Security Design Packs, Security Architecture Documents and Security Assurance artefacts. Conduct threat modelling workshops and document...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Jun 27, 2026  
Senior Project Planner
Senior Project Planner Location: Aberdeen (Aberdeen Airport) - 4 days per week onsite Duration: 6 months Rate: £450/day Umbrella IR35: Inside Clearance: Eligible for SC Clearance Overview We're looking for an experienced Senior Planner to create, maintain and assure programme/project schedules in line with a Business Change Framework. You'll interpret business cases, technical documentation, cost estimates, commercial contracts and finance data to provide accurate forecasts and support delivery to Quality, Cost and Delivery (QCD). You'll also support the use of SAP tools and procedures for project planning/control, and provide line management for project planners/trainee planners. Responsibilities: Design and create a Work Breakdown Structure (WBS)that meets technical requirements and aligns to the product delivery lifecycle * Design and create a deliverable programme/project schedule meeting technical scope, budget and timescales * Create and maintain a portfolio of...
IR35 Status:
Inside IR35

CV-Library Aberdeen, UK Contractor
CL
Jun 27, 2026  
Project Engineer (MEP & Building Services)
Project Engineer (MEP & Building Services) Location: Birmingham (Hybrid - Minimum 3 Days Per Week On-Site) Contract Length: 9 Months Rate: Negotiable (Inside IR35 via Umbrella) Overview HS2 is seeking an experienced Project Engineer with a strong background in MEP (Mechanical, Electrical and Plumbing) and Building Services to join the BBV-IPT team on a 9-month contract basis. This is a client-side engineering assurance and delivery role, focused on overseeing and verifying contractor design activities rather than undertaking detailed design work. The successful candidate will play a key role in ensuring the successful integration, assurance, and certification of multiple building services systems across critical HS2 infrastructure assets. Key Responsibilities Act as the client-side Project Engineer for building services packages across multiple HS2 assets. Oversee and verify contractor self-assurance processes during the design phase. Review contractor submissions to...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Jun 27, 2026  
Section Engineer
Section Engineer Devonport, Southwest England 12 month contract (inside IR35) We're recruiting for a Section Engineer to join a major infrastructure project in Devonport. This is a fantastic opportunity to play a key role on a complex, high-profile scheme within a collaborative delivery environment. The Role You will take ownership of a section of works, ensuring construction is delivered safely, on programme, and to the highest quality standards. Working in a client-facing capacity, you'll coordinate site teams and subcontractors while supporting overall project performance. Key Responsibilities Oversee site activities, subcontractors, and daily coordination of works Ensure compliance with health & safety, RAMS, and site procedures Review technical drawings and documentation, raising RFIs/TQs/NCRs as required Manage risks and support planning/programming of works Engage with stakeholders and contribute to reporting and project delivery About You Minimum 2+ years'...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Jun 27, 2026  
Software and Systems Defect Coordination Engineer
Position Title: Software and Systems Defect Coordination Engineer Duration: Contract Location: Gaydon Based in West Midlands £33.88 per hour (Inside IR35) *Applicants MUST have proof of immediate, on-going and valid eligibility, to work full time, and travel within, the UK* Duties: This role, Software and systems defect coordination engineer, is responsible for overseeing the timely identification, tracking, and resolution of software and system issues across complex systems. While the role demands a high level of technical understanding, it is not hands-on in nature. The successful candidate will ensure consistent adherence to established processes, effective utilisation of issue management tools and clear and transparent reporting to senior stakeholders. Key aspects of this role involves the ability to drive and prioritise actions and process changes based on clear KPIs around defect management with stakeholders across the company. Strong skills in developing metrics,...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Jun 26, 2026  
Skilled Civils Operative - BESS Project
Skilled Operative x6 - BESS Projects Location: Monk Fryston, North Yorkshire Project: SSER BESS Site, Rawfield Lane Start Date: 15th June 2026 Duration: Until 28th August 2026 Positions Available: 6 Hours: 45 Hours Per Week Working Hours: 07:00 - 17:00 Rate: £28.50 per hour IR35 Status: Inside IR35 Payment: CIS We are currently recruiting for 6 Skilled Operatives to support the delivery of a major Battery Energy Storage System (BESS) project at Monk Fryston. This is an excellent opportunity to join a leading energy infrastructure contractor working on a high-profile renewable energy development. Duties & Responsibilities: Civil works associated with BESS and electrical infrastructure construction Installation of ducts and cable routes Cable pulling and cable management activities Assisting with trenching, reinstatement and general groundwork duties Supporting site teams with construction and installation activities General site duties as required by the project team...
IR35 Status:
Inside IR35

CV-Library Castleford, West Yorkshire Contractor
CL
Jun 26, 2026  
Planning Co-ordinator
Planning Coordinator Location: Warrington Contract Type: Inside IR35 Duration: 12 month contract Sector: Engineering / Infrastructure / Nuclear The Opportunity Our client is seeking a Planning Coordinator to support the delivery of a major engineering programme within a highly regulated environment. This role offers the opportunity to work as part of a multidisciplinary project team, coordinating planning-related activities and ensuring compliance with relevant planning legislation, policies, and project requirements. The successful candidate will play a key role in managing planning matters throughout the project lifecycle, supporting the preparation of planning submissions, stakeholder engagement activities, and the delivery of planning strategies. Key Responsibilities Act as the primary point of contact for planning-related matters across the project. Coordinate planning activities to support project delivery milestones and programme objectives. Prepare and review planning...
IR35 Status:
Inside IR35

CV-Library Warrington, UK Contractor
CL
Jun 26, 2026  
Software and Systems Test Coordination Engineer
Position Title: Software and Systems Test Coordination Engineer Duration: Contract Location: Gaydon Based in West Midlands £35.80 per hour (Inside IR35) *Applicants MUST have proof of immediate, on-going and valid eligibility, to work full time, and travel within, the UK* Duties: This role (Software and systems test coordination engineer) is responsible for overseeing the overall testing status of the EVA25 programs. While the role demands a high level of technical understanding, it is not hands-on testing role. The successful candidate will ensure consistent adherence to established processes, effective utilisation of issue management tools and clear and transparent reporting to senior stakeholders.​ Key aspects of this role involves the ability to drive and prioritise actions and process changes based on clear KPIs around testing management with stakeholders across the company. Strong skills in developing metrics, dashboards and professional presentations are...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Jun 26, 2026  
Integration Engineer
Position Title: Integration Engineer Duration: Contract Location: Gaydon Based in West Midlands £35.80 per hour (Inside IR35) *Applicants MUST have proof of immediate, on-going and valid eligibility, to work full time, and travel within, the UK* Duties: This role is to lead the diagnosis of software and systems issues in the development phase of automotive vehicle platforms. The successful candidate will be part of the Central Systems Integration team. CSI have the key responsibility of planning and coordinating delivery of software from multiple ECUs which when combined deliver the features and systems of the vehicle under development. This particular role within CSI will focus on issues resolution, specifically understanding root cause and assisting with resolution of systems and software issues within the vehicle. They will engage directly with complex issues to aid with data gathering, defining the problem, analysing the data with the intent to understand which team...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Jun 26, 2026  
Principal Commissioning Engineer (EC&I)
Role: Principal Commissioning Engineer (EC&I) Location: Plymouth Duration: 12 months Inside IR35 : Umbrella Main Purpose: The role exists in order to develop and implement site commissioning arrangements across all aspects of site activities (e.g. Installation, Commissioning, Handover) in support of the overall project lifecycle. The Principal Commissioning Engineer is responsible for ensuring that activities for the MENSA project are planned and undertaken in line with approved procedures as directed by the Commissioning Manager (or delegate) and report any technical or safety issues via the correct reports (Commissioning Reservations, Technical Queries and Synergi) as appropriate. The Principal Commissioning Engineer will also undertake specific activities on behalf of the Commissioning function as required activities if required. Responsibilities Supervision of the Commissioning Engineers / Technicians under their direct responsibility. Adherence to the agreed...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon Contractor
CL
Jun 26, 2026  
Skilled Train Maintainer
Skilled Train Maintainer £38.52 Umbrella (Inside IR35) Permanent nights, mix of 4 on / 4 off and 5 on / 5 off 3-month rolling contract (with strong long-term potential for the right candidate) Level 3 Qualification in Engineering required The Role Step into a hub of technical excellence, handling the inspection, maintenance, fault diagnosis, and overhaul on passenger fleets. We’re recruiting skilled Technicians to join a cutting-edge rail operation in the North where innovation meets precision. If you take pride in precision engineering and want to work in a facility designed for excellence, this role is built for you Key Responsibilities Carry out servicing, maintenance, repair, and overhaul of traction and rolling stock to company standards (Mechanical and Electrical) Diagnose faults and implement effective solutions Use and maintain tools, equipment, and materials responsibly Operate plant and equipment in line with competency certification Follow all technical...
IR35 Status:
Inside IR35

CV-Library Newcastle upon Tyne, UK Contractor
CL
Jun 26, 2026  
Cost Engineer
Cost Engineer Location Bristol, Bridgwater, or Hinkley Point C (HPC) Site Working Hours 37.5 hours per week, Monday to Friday Contract Duration Initial contract until the end of the current calendar year, with a strong likelihood of a further 12-month extension based on performance. IR35 Status Inside IR35 Role Overview We are seeking experienced Cost Engineers to support major infrastructure and construction projects associated with Hinkley Point C. The successful candidates will be responsible for cost control, forecasting, reporting, and supporting project teams to ensure effective financial management throughout the project lifecycle. Key Responsibilities Monitor and control project costs and budgets. Prepare and maintain cost reports, forecasts, and performance metrics. Analyse cost variances and identify risks and opportunities. Support project managers with financial planning and decision-making. Review contractor costs, change requests, and project...
IR35 Status:
Inside IR35

CV-Library Somerset, UK Contractor
CL
Jun 25, 2026  
Digital Service Desk Team Leader
Role : Digital Service Desk Team Leader Type : Contract Inside IR35 Location: Norwich OR Chelmsford Mod of work : OnsiteJOB SUMMARY Key Responsibilities: Provide line management and supervision for band 4 and 5 Service Desk Analysts, including appraisals, development plans, and performance management. Managing the full lifecycle of incidents and requests, ensuring quality triage, escalation, and resolution. Acting as the first point of senior escalation for Band 4-5 Service Desk staff and users. Overseeing team ticket queues, ensuring SLA compliance and workload distribution. Providing technical support and escalation during high-demand periods and Major Incidents (MIs)/Digital Business Continuity Incidents (DCBIs). Managing team rotas, providing coaching, and contributing to staff performance and development. Ensuring quality and currency of team-authored knowledge base articles and specialism ownership. Coordinating with SACM and project teams to ensure smooth service...
IR35 Status:
Inside IR35

CV-Library Chelmsford, Essex Contractor
CL
Jun 25, 2026  
Mechanical Supervisor
Job Title: Mechanical Supervisor Location: Beckton Rate: £450 per day (Inside IR35 Umbrella PAYE) Duration: 12 months+ Sector: Water / Wastewater The Company We are working in partnership with a leading Tier 1 Water/Wastewater contractor, delivering large capital delivery schemes on behalf of Thames Water. With multiple live projects across clean water sites, they are looking to strengthen their delivery team with the appointment of an experienced Mechanical Supervisor. The Role As a Mechanical Supervisor, you will play a key role in the successful delivery of mechanical packages across major water infrastructure projects. You will oversee site activities, ensuring compliance with safety, quality, and programme targets, while supervising both directly employed staff and subcontractors. Key Responsibilities ·Supervise and coordinate mechanical works, including pipework fabrication, welding, and inspection. ·Review and interpret P&IDs and GA drawings to support...
IR35 Status:
Inside IR35

CV-Library Beckton, London, UK Contractor
CL
Jun 25, 2026  
Immigration Manager
Synapri have partnered with a global Consulting Partner with a specialist team supporting organisations and individuals with UK immigration and international relocation. This Immigration Manager opportunity is a client-facing role owning client strategy, leading delivery, and managing a small team, whilst playing a key role in both service quality and client outcomes. Responsibilities: * Leading end-to-end strategy across a range of UK corporate immigration cases (Skilled Worker, ILR, Global Business Mobility) * Managing and developing a team of 4–5 Analysts/Consultants, including delegation, review, and support * Acting as a senior advisor to corporate clients on immigration, compliance, and mobility strategy * Overseeing high-volume case delivery while maintaining exceptional quality and attention to detail * Supporting account management, including financial awareness around billing, utilisation, and client delivery * Using case management systems for...
IR35 Status:
Inside IR35

CV-Library Holborn, Greater London Contractor
CL
Jun 25, 2026  
Physical Security Advisor - SC
Job Title: Physical Security Advisor - SC Location: Hybrid / Central Region (Birmingham, Nottingham, Cardiff) Contract Duration: 6 Months Daily Rate: £550/day (Umbrella – Maximum) IR35 Status: Inside Security Clearance: SC Key Responsibilities: Provide expert advice on Physical Security Provide Stakeholder Advice: Deliver security advice and actionable recommendations to colleagues, ensuring clients are proactively informed if impacted. Communicate Threat and Risk: Work with client departments to identify emerging threats and risks at site level Operational Requirements: Drive the development of Operational Requirements (OR) to accurately inform security posturing. Providing Security Awareness: Educating staff, supply chain, and stakeholders on security culture, threats, and risks. Conduct risk assessments in the local environment, extracting insights to provide an informed opinion on Physical Security risks and the adequacy of controls in place Execute Core Assessments: Act...
IR35 Status:
Inside IR35

CV-Library Birmingham, UK Contractor
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