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Inside IR35 Contractor

377 jobs found

CL
May 13, 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
May 13, 2026  
Project Manager - Building and Construction
Our client has an opportunity for a Building and Construction Project Manager to join them on a contract for 12 months with possible extension. This role is ideal for someone who brings strong client?side construction project management experience, thrives in a fast?paced setting, and enjoys leading projects from initial concept through to successful handover. Role: Building and Construction Project Manager Location: Belfast - fully onsite Hours: 36 per week Clearance: BPSS required before starting Hourly Rate: £40.44 per hour via Umbrella, inside IR35 What you'll be doing: Leading client?side construction projects from feasibility and design through to completion and handover. Providing clear leadership and direction to ensure all stakeholders/multi-functional project teams (internal and external) are aligned and informed throughout the project lifecycle. Develop and maintain project delivery plans, CAPEX business cases and risk/opportunity registers. Managing budgets,...
IR35 Status:
Inside IR35

CV-Library Belfast, County Antrim Contractor
CL
May 13, 2026  
Cyber Security Analyst
Cyber Security Analyst 5 months initially Location: Bracknell (Onsite, 24/7 Shift Pattern) Inside IR35 - Umbrella only Active DV clearance required Are you passionate about safeguarding digital environments and ready to make an impact? Our client, a reputable organisation, is hiring a dedicated Cyber Security Analyst to join their on-site 24x7 shift team in Bracknell. This is an exciting opportunity to contribute to critical security operations and protect vital services. What you'll be doing: Overseeing Security Operators during shifts, ensuring continuous security monitoring Performing initial investigations of potential threats using Security Incident and Event Management (SIEM) tools Monitoring SIEM systems for faults and anomalies Contributing to routine security incident management by identifying, prioritising, and escalating threats Supporting the confidentiality, integrity, and availability of customer services through proactive security measuresWhat you'll bring:...
IR35 Status:
Inside IR35

CV-Library Bracknell, Berkshire Contractor
CL
May 13, 2026  
Senior Category Buyer (In Direct)
Position Title: Senior Category Buyer (In Direct Professional Services) Duration: Contract - 12 Months Location: Gaydon £40.00 per hour - Inside IR35 (Umbrella Rate) *Applicants MUST have proof of immediate, on-going and valid eligibility to work full time in the UK and travel within the EU.* Key Accountabilities and Responsibilities: Category Strategy: Lead the development and delivery of Strategic Category Plans (SCPs), ensuring creation, alignment, and compliance. Conduct detailed spend analytics, demand modelling, and market intelligence assessments. Sourcing: Lead end‑to‑end sourcing events for all Professional Services categories. Apply Total Cost of Ownership principles and value‑based procurement. Lead complex negotiations including contractual, commercial, and delivery‑based elements Contract Management & Supplier Relationship Management (SRM): Lead the end‑to‑end Contract Management lifecycle across Professional Services. Develop performance frameworks...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
May 13, 2026  
Technical Migration Lead - JIRA/Atlassian
Technical Migration Lead Location: Canary Wharf, Greater London - 3 days onsite per week is required Contract Contract Length: 8 months initially Daily Rate: £800 - £850 (inside IR35 via umbrella) About Us: Our client is a leading organisation in the financial services sector, committed to delivering innovative technology solutions. They are currently seeking a dynamic and experienced Technical Migration Lead to drive critical Jira Cloud migrations across their Finance & Risk Technology teams. Role Summary: As the Technical Migration Lead, you will orchestrate a dedicated Jira Cloud migration lane to support the execution of regulatory initiatives. You will leverage your infrastructure technology expertise to streamline processes, resolve issues, and consolidate multiple Jira Data centre instances into a single, governed Jira Cloud standard. Key Responsibilities: Lead the end-to-end Jira Cloud migration process, managing wave planning, capacity management, and...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
May 13, 2026  
First Article Inspector
We are currently looking for a First Article Inspector for a 6 month contract based in Brockworth, Gloucester. Key Responsibilities: Perform First Article Inspections (FAI): Conduct dimensional and visual inspections of propeller assemblies and components using precision measurement tools. Verify compliance with engineering drawings, technical specifications, and customer requirements. Responsibilities/Requirements: Previous experience in FAIR review / sign-off Working knowledge of AS9102 Specification Relative commodity experience (mechanical is priority) Inspection techniques Reading drawings writing Root Cause and Corrective Action Request Understanding of AS9100, ISO 9001 and AS9102 Standards Documentation and Reporting: Prepare and maintain detailed inspection reports in accordance with AS9102 FAI documentation. Ensure proper traceability of materials and components. Identify, document & address non-conformances, collaborating with engineering and...
IR35 Status:
Inside IR35

CV-Library Gloucestershire, UK Contractor
CL
May 13, 2026  
Senior Infrastructure Engineer
Role: Senior Infrastructure Engineer - NetDevOps Location : Newcastle (preferred), Manchester, Leeds, Birmingham, Blackpool Peel Park Type : Hybrid working 3-days a week onsite IR35: inside Job Description: Role Overview We are looking for a Senior Infrastructure Engineer (NetDevOps) to design, build, and evolve large-scale enterprise network platforms, with a strong focus on modern, automated, and cloud-integrated infrastructure. This role is suited to a hands-on engineer, not an operations or SRE specialist. You will be expected to quickly contribute to design and delivery activities, applying engineering best practice, automation, and network expertise to support critical services. You will work closely with Architecture, Cloud, and Engineering teams to deliver secure, scalable, and highly available network solutions, balancing immediate delivery needs with longer-term platform improvement.Key Responsibilities Design, implement, and enhance enterprise network infrastructure...
IR35 Status:
Inside IR35

CV-Library Blackpool, Lancashire Contractor
CL
May 13, 2026  
Senior Infrastructure Engineer
Senior Infrastructure Engineer – NetDevOps Contract: Until 31/03/2027 Rate: Up to £650/day (Inside IR35, Umbrella) Location: Newcastle (preferred), Manchester, Leeds, Birmingham, Blackpool Peel Park Hybrid: ~60% on-site (3 days) Clearance: Active SC required Interview: Single stage (MS Teams) Overview We’re looking for a Senior Infrastructure Engineer (NetDevOps) to design and deliver large-scale enterprise network infrastructure across hybrid and cloud environments. This is a hands-on engineering role focused on building, automating, and improving modern network platforms—not operations or pure SRE work. You’ll work closely with Architecture, Cloud, and Engineering teams to deliver secure, scalable, and highly available solutions. Key Responsibilities * Design and deliver enterprise network infrastructure (on-prem, hybrid, cloud) * Build secure network traffic flows and high-availability services * Implement hybrid connectivity across Azure, AWS, or OCI * Manage Palo Alto...
IR35 Status:
Inside IR35

CV-Library Newcastle upon Tyne, Tyne & Wear Contractor
CL
May 13, 2026  
Marketing Executive (Travel & Lifestyle Services)
My Client a large global financial services brand is looking for an experienced Marketing Executive (Travel & Lifestyle Services) on a initial 12 month contract. This role is Hybrid, based in London and Inside IR35. The Travel & Lifestyle Services (TLS) business provides exclusive access, differentiated value, extraordinary service, and unrivalled expertise to customers seeking leisure or business travel, as well as a variety of lifestyle services. The Travel Benefit Marketing Executive is an exciting opportunity to join the Global Strategic Partnerships and Marketing organisation within TLS. The International TLS Marketing Team is a central team focused on driving premium customer engagement with Travel's products and services through global marketing across international markets. We are passionate about driving premium customer awareness and engagement with key travel benefits. The successful candidate will be a strong marketer, who is adept at driving cross-channel...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 13, 2026  
Endpoint Security Engineer
Endpoint Security Engineer Contract Daily Rate: Up to £550 (inside IR35 via umbrella) Contract Length: 12 months Location: Chester Business Park, Chester - 3 days onsite per week Work Arrangement: Hybrid Working - 3 days onsite per week and 2 days remote About the Role: Our client is seeking a skilled Endpoint Security Engineer to join their dynamic team. This is a unique opportunity to contribute to a major cloud migration programme while designing and implementing advanced endpoint security solutions. If you have a passion for security and a knack for problem-solving, we want to hear from you! Key Responsibilities: Support and contribute to a major cloud migration programme. Design, engineer, and implement cutting-edge endpoint security solutions utilising Trellix, BeyondTrust, and CrowdStrike. Deploy enterprise security solutions via ITSM systems, including Remedy and ServiceNow change control. Produce high-quality technical documentation, workflows, and support...
IR35 Status:
Inside IR35

CV-Library Chester, Cheshire Contractor
CL
May 13, 2026  
Supplier Quality Engineer
Supplier Quality Engineer 6 month contract Based in Stevenage - hybrid Offering £45ph Inside IR35 Do you have experience with AS9100 standards? Do you have quality experience in Manufacturing and Supply Chain environments? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Supplier Quality Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification/inspection of products to ensure they meet the required quality standards Identify and document any non-conformities in the manufacturing process and deviations from the product specifications...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
May 13, 2026  
Supplier Quality Engineer
Supplier Quality Engineer 6 month contract Based in Bolton - hybrid Offering £45ph Inside IR35 Do you have experience with AS9100 standards? Do you have quality experience in Manufacturing and Supply Chain environments? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Supplier Quality Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification/inspection of products to ensure they meet the required quality standards Identify and document any non-conformities in the manufacturing process and deviations from the product specifications...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
May 13, 2026  
Project Manager
Senior Project Manager Portsmouth 12‑month contract, Inside IR35 (likely extension) Up to £38/hr PAYE or £50.84/hr Umbrella 37 hours | 4.5‑day working week An opportunity to join a major engineering organisation delivering complex, high‑value programmes where quality, safety and customer outcomes are critical. We're looking for an experienced Project Manager to take ownership of end‑to‑end delivery across technically challenging projects. You'll lead multi‑disciplinary teams, manage schedules and budgets, and act as a key interface between internal teams and customers to ensure delivery on quality, on time and on cost. What you'll be doing Owning project delivery from scope definition through to execution and reporting Leading cross‑functional teams and managing stakeholders at all levels Controlling schedules, resources, budgets and risk Driving quality, resolving issues and embedding lessons learned Providing clear, regular project status updates What we're looking for...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
May 13, 2026  
Senior Infrastructure Engineer
Role: Senior Infrastructure Engineer - NetDevOps(SC Active) Location : Newcastle (preferred), Manchester, Leeds, Birmingham, Blackpool Peel Park Type : Hybrid working 3-days a week onsite IR35: inside Job Description: Role Overview We are looking for a Senior Infrastructure Engineer (NetDevOps) to design, build, and evolve large-scale enterprise network platforms, with a strong focus on modern, automated, and cloud-integrated infrastructure. This role is suited to a hands-on engineer, not an operations or SRE specialist. You will be expected to quickly contribute to design and delivery activities, applying engineering best practice, automation, and network expertise to support critical services. You will work closely with Architecture, Cloud, and Engineering teams to deliver secure, scalable, and highly available network solutions, balancing immediate delivery needs with longer-term platform improvement.Key Responsibilities Design, implement, and enhance enterprise network...
IR35 Status:
Inside IR35

CV-Library Blackpool, Lancashire Contractor
CL
May 13, 2026  
Software Developer - Java
Java Developer - 3 Months - Inside IR35 My client, a leading global technology organisation is looking for an experienced Software Engineer to support a range of large‑scale, business‑critical platforms. You'll join a collaborative engineering team working on high‑availability systems used across the UK, contributing to new feature development, platform enhancements, and ongoing operational performance. About the Role You will work as part of an agile cross‑functional team delivering robust, secure, scalable software solutions. The role covers developing new application features, updating existing systems, supporting deployments, and ensuring smooth operation of live services. Key Responsibilities Maintain, enhance, and secure existing Java applications Design and develop new applications, features, and microservices Build and maintain automated test suites using TDD principles Create and manage CI/CD pipelines Support monitoring, troubleshooting, and live operational issues...
IR35 Status:
Inside IR35

CV-Library Ipswich, Suffolk Contractor
CL
May 13, 2026  
DevOps Engineer
DevOps Engineer Up to £730 per day inside ir35 Active SC clearance required London/ Hybrid - 2/3 days per week onsite We are seeking an experienced DevOps Engineer to support the design, deployment, and maintenance of secure, scalable infrastructure and applications within a cloud-based environment. This role requires strong expertise in infrastructure as code, CI/CD automation, and platform engineering within AWS. Key Responsibilities Develop and maintain infrastructure as code using Terraform and Terragrunt to deploy and update services in AWS. Build and manage machine images and container images for third-party COTS tools, incorporating platform-specific enhancements such as log aggregation and PKI integration. Design, implement, and maintain CI/CD pipelines to automate the build, test, and deployment of infrastructure and application components. Troubleshoot and resolve issues across application and infrastructure layers, including support for Linux and Windows virtual...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 13, 2026  
Rail Project Manager
I am looking for a Rail Project Manager to support my client on a contract basis based out of London. We are looking for an experienced project manager who has experience working against Network Rail standards. This is an excellent opportunity for an individual who is looking to join a experienced team working on a major Multi-discipline project just outside of London which will shape the future of the railway. We are looking for a Project Manager who has experience in AMP, CSM, management documentation writing/collation and a understatement of PACE. This will be a rolling 6 month contract and would be inside IR35. We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 13, 2026  
Class 3H RBI
Class 3H Building Control Surveyor – Fully Remote (Contract) We’re looking for an experienced Class 3H Building Control Surveyor to join a high-performing team delivering complex and high-risk projects. This is a fully remote opportunity offering flexibility, strong rates, and the chance to work on impactful schemes. The Role You’ll be responsible for supporting and overseeing compliance on Class 3H and Building Safety Regulator (BSR) projects, ensuring work meets current building regulations and safety standards. You’ll collaborate with multidisciplinary teams, providing expert guidance across all project stages. Key Responsibilities * Assess and approve plans in line with Building Regulations for Class 3H projects * Support Gateway submissions and BSR compliance processes * Conduct remote plan checks and provide technical advice * Work closely with clients, designers, and contractors to ensure regulatory compliance * Maintain accurate documentation and reporting...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
May 13, 2026  
Discrete Event Simulation Manager
Discrete Event Simulation Manager 10-month contract Based in Halewood £35.42 per hour (Inside IR35) *Applicants MUST have proof of immediate, on-going and valid eligibility, to work full time, and travel within, the UK* About the company I am currently recruiting on behalf of an automotive OEM, based in Halewood, who are looking for a Discrete Event Simulation Manager to join their team. Job Description As Discrete Event Simulation Manager, your main responsibilities will include: Lead DES model generation, to fully detailed mimic of the programme/system. Meet design scope, operating principals, performance metrics, safety, quality, etc. Lead system optimisation, cost avoidance, best practises, etc. Develop and optimise solutions, considering multi-attributes. Coordinate & lead projects' & teams' feedback of results, as required. Experience Required: Working knowledge and experience of Discrete Event Simulation toolset. Experience in using Lanner Witness or...
IR35 Status:
Inside IR35

CV-Library Liverpool, Merseyside Contractor
CL
May 13, 2026  
Lead Business Analyst
Business Area: Global Technology – Business Platforms / Corporate Governance Location: London (Hybrid) - 3 days minimum in office - The role is Inside IR35 Job Title: Lead Business Analyst About the Opportunity Cooper Lomaz are working in partnership with a leading global financial services organisation to recruit a Principal/Lead Business Analyst. This role sits within a high-profile transformation programme focused on delivering a global document management solution and migrating users and content onto a new strategic platform. This is a key role supporting large-scale, technology-enabled business change across multiple international business functions. The Role We are seeking an experienced Principal Business Analyst with a proven track record of delivering complex change initiatives within financial services environments. Acting as the bridge between business stakeholders and technology teams, you will ensure requirements are clearly understood, translated into effective...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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