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Contractor 135
Information Technology Welwyn Garden City

135 jobs found in Welwyn Garden City

CL
Apr 05, 2026  
Product Manager- Data Platform implementation
We have a current opportunity for a Product Lead- Data Platform on a contract basis. The position will be based in Reading. For further information about this position please apply. Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement. To find out more about Real, please visit Real Staffing, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales
IR35 Status:
Unknown Status

CV-Library Hertfordshire, UK Contractor
CL
Apr 11, 2026  
Infrastructure Engineer
I am recruiting for an Infrastructure Engineer to be based on site in Stevenage. The role falls inside IR35 so you will be required to work through an umbrella company. You will have experience of both 2nd and 3rd Line Support. You will ensure that the IT systems provide a continuous service to all departments and associated stakeholder business. You must be able to support in closing tickets that are logged via the Service Desk. SCCM and packaging experience is required. Extensive experience managing server infrastructure in a complex, high-availability environment. Experience working with virtualisation technologies such as VMware or Hyper-V. Excellent technical knowledge of server operating systems (Windows Server, Linux) and virtualisation platforms. Strong understanding of networking principles, including TCP/IP, DNS, and DHCP, as they relate to server management. You will also be required to participate in the 24/7 IT on-call scheme in support of critical IT...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Mar 13, 2026  
Configuration Manager
Configuration Manager Stevenage 12 Month Initial Contract   Overview of department: Configuration Management is pivotal to success in developing and delivering engineered products to our customers and frontline users. Through the controlled application and compliance of processes, we give our programmes confidence and assurance in all products that we produce.   Description of the Role Experienced Configuration professional with an ability to provide technical support to the Configuration Management team. Your ability to build networks and foster strong relationships with the team to review, develop and deliver Configuration Management processes and procedures, as well as supporting and technically coaching project Configuration Managers to deliver technical excellence contributing towards the overall success of our business programmes.   What we’re looking for A proven track record of experience within engineering organisations or operational domains, with a strong technical...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Feb 25, 2026  
SAP Security Support Administrator
World Class Defence Organisation is currently looking to recruit a SAP Security Support Administrator Subcontractor on an initial 12 month contract. The role can be based from either the companies Stevenage or Bolton site, depending on your preference.  The role will be predominantly working from home.   Rate: £22.63ph (Umbrella) Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage or Bolton depending on your preference   Hybrid / Remote working: The role will be predominantly working from home… one day per week onsite.  Also, a condensed 4 day working week of Monday to Thursday is OK too. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)   SAP Security Support Administrator Job Description: The SAP Security Support Administrator plays a key role in supporting documentation, refinement and execution of General IT Controls...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Feb 06, 2026  
Embedded Software V&V Engineer
World Class Defence Organisation is currently looking to recruit 5x Embedded Software V&V Engineer subcontractors on an initial 6 month contract.  Skills in C, C++ or ADA are beneficial.  A defence or aerospace industry background would also be great.   Rate: £70.00 per hour Location: Stevenage or Bristol, depending on your preference. Hybrid / Remote working: Full time on site (occasional work from home day) (The company are happy with a 4 day week) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview process: 1 stage video interview   Embedded Software V&V Engineer Job Description:   The department create the complex, highly reliable real-time software that powers missile systems and their components, ensuring that they provide the performance and functionality our users require when they...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 17, 2026  
PERL Software Developer
World Class Defence Organisation is currently looking to recruit a remote PERL Software Engineer subcontractor on an initial 6 month contract. Job Title:  PERL Software Engineer Rate: £77 - £84 per hour Location: Stevenage Hybrid / Remote working: This role is a remote based role – with just 1 visit to the Stevenage site per month. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) PERL Software Engineer Job Description: The Software department are looking for a software developer with experience in the PERL programming language. We require someone who can create and update text-based templates used in Technical Publications authoring and publishing tasks. Knowledge of the Technical Publications publishing process would be an advantage but not a requirement. Assistance in updating and in some cases,...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Dec 28, 2025  
Configuration Engineer
Configuration Engineer Stevenage – Hybrid Working 6 12 Month Plus Contract Working with a Globally known Manufacturing Company within the Defence industry. They are actively seeking a Configuration Engineer on a 6 - 12 month plus contract within the Stevenage area.   Responsibilities: The Senior Configuration Engineer is responsible for the Product definition and/or Configuration Management of a minor project or major parts of a project.  Skillset/experience required: Knowledge of Configuration Management and the application of these within and demanding yet professional engineering environment. The ability to build rapport with stakeholders as well as positively promote the Configuration Management group through supportive and pro-active approach with internal customers. Awareness of relevant internal and external customer requirements and standards. Reflection of engineering input, through the engineering change process, into the design definition / structure,...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Apr 11, 2026  
Senior Agentic AI Consultant – Python / Full-Stack (London, Hybrid)
Senior Agentic AI Consultant – Python / Full-Stack (London, Hybrid) We’re looking for a Senior Agentic AI Consultant to join our London-based team on a hybrid basis. This is a hands-on role for someone who thrives on building, scaling, and deploying AI solutions end-to-end. What you’ll do: * Design and develop agentic AI systems using Python. * Build full-stack applications to integrate AI models into real-world workflows. * Collaborate with clients and internal teams to deliver high-impact AI solutions. * Mentor and guide junior engineers on best practices What we’re looking for: * Strong Python expertise and experience with AI/ML frameworks. * Full-stack development experience (frontend + backend). * Proven track record of delivering AI projects from concept to deployment. * Senior-level problem-solving skills and ability to work independently. Why join us: * Work on cutting-edge AI projects. * Hybrid London-based environment (flexible remote...
IR35 Status:
Unknown Status

CV-Library EC4, Old Bailey, Greater London Contractor
CL
Apr 10, 2026  
Senior Technical Program Manager
Job Title: Senior Technical Program Manager Contract: 6 Months Location: London (Hybrid - 3 days onsite) Overview We are working with a large, complex organisation undergoing a multi‑year digital and technology transformation across its supply chain and logistics landscape. They are seeking an experienced Senior Technical Program Manager to provide strategic leadership and hands‑on delivery across multiple high‑impact technical programmes. In this role, you will own the end‑to‑end lifecycle of sophisticated technical initiatives, from early concept through to successful delivery. You will act as a true partner to Product and Engineering leadership, balancing cross‑functional dependencies, driving alignment, and ensuring delivery remains smooth, efficient, and outcome‑focused. This is a senior, visible role requiring strong technical foresight, excellent stakeholder management, and the ability to operate confidently in a complex, fast‑moving environment. You will lead through...
IR35 Status:
Unknown Status

CV-Library West End, London Contractor
CL
Apr 11, 2026  
Senior AI/IT Trainer/Senior IT/AI Learning Specialist
Senior AI IT Trainer/Senior IT AI Learning Specialist A fantastic opportunity has arisen for a Senior AI IT Trainer/Senior IT AI Learning Specialist to join our London based law firm on an initial 12 Month Fixed Term Contract. Senior AI IT Trainer/Senior IT AI Learning Specialist Responsibilities and Duties: ◤ Partner with the IT team, delivery leads, business analysts and solution architects to assess working practices and support improvements through targeted training ◤ Support the integration and adoption of new technologies, including generative AI tools such as Microsoft Copilot, into daily working practices ◤ Collaborate with legal and business services teams to understand workflows, identify inefficiencies and recommend technology-enabled solutions ◤ Provide one-to-one coaching to improve productivity and effective use of firm-supported systems ◤ Design, implement and deliver training programmes for existing systems and new technologies, including Microsoft 365,...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Apr 10, 2026  
Data Analyst
Data Analyst Onsite Requirements: Remote Start Date: ASAP Role Duration: 1 year Clerance Requirements: Active SC clearance Inside IR35 - umbrella only Role Description: We're looking for a Data Engineer whose main focus is understanding and documenting existing systems, with the goal of supporting decommissioning activities. The role centres on analysing current solutions built using Java, Node JS, and React, and developing a clear, end to end picture of how data flows across the wider programme. This includes documenting data flows, system dependencies, and underlying data models, ensuring there is a clear record of how data is structured, stored, and used throughout the solution. The role involves investigating how systems are used on a day-to-day basis, clarifying ownership and integration points, and capturing this information in a way that supports risk assessment and decommissioning decisions. Responsibilities: Python and PySpark are required as supporting...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 09, 2026  
React Native Developer
React Native Developer £(Apply online only) per day (Inside IR35) 6 months Location - Hybrid - 1-2 days per week on site in London Requirements React Native Node Take ownership of things like features and technical improvements and must be able to express ideas cleanly and concisely.Desirables TanStack Query Nest.js Integration Testing experience - Even better if this is Detox or Appium System/Service Design Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 08, 2026  
Integration Delivery Manager
IT Integration Delivery Lead (Contract) We are looking for an experienced and forward-thinking IT Integration Delivery Lead to support a major programme of work. This role requires someone who can work across multiple technical and operational teams, ensuring delivery plans are aligned, risks are understood, and integration activities progress smoothly. It is a hands-on role involving coordination, planning, and direct project work where needed. Key Responsibilities: * Work closely with senior IT leaders to develop a unified delivery plan. This includes both technical implementations and operational changes. * Partner with project managers and business stakeholders to define the overall schedule, scope, and interdependencies across the full IT integration programme. * Consolidate reporting across the delivery portfolio, supporting the Digital PMO with updates on progress, risks, issues, key milestones, resourcing pressures, and budget alignment. * Assist in change management...
IR35 Status:
Outside IR35

CV-Library City of London, London Contractor
CL
Apr 08, 2026  
IT Project Manager - Security, Microsoft, Azure, Integration
IT Project Manager - Security, Microsoft, Azure, Integration £Market Rate (Inside IR35) South West London 6 Months My client is an instantly recognisable Healthcare provider, who urgently require an IT Project Manager with a strong blend of IT / Cyber Security, Microsoft tooling (including Azure) and Integration experience to join a key project at discovery phase moving into Integration. Key Requirements: Proven experience as an IT Project Manager with strong technical knowledge around IT / Cyber Security and Cyber essentials, within the Healthcare industry Strong knowledge of Microsoft tooling, including Azure Demonstrable experience in Networking and Infrastructure Proven ability to manage key and complex Integration Projects Collaborative, team-player approach to working with other Project Managers Exceptional communication skills (including ability to converse confidently with technical and non-technical audiences) Excellent stakeholder management skills Flexible approach...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 05, 2026  
IT Engineer
IT Engineer - OneTrust Data Discovery London (Hybrid - 3 days onsite) £400/day Umbrella 12 Months Contract Overview We are looking for a technically strong IT Engineer to support the integration of OneTrust Data Discovery across enterprise systems that store or process personal data. You will work closely with Cyber Security, Infrastructure, and Application teams to deploy worker nodes, enable connectivity, and onboard systems into the data discovery platform. Prior OneTrust experience is beneficial but not required. Key Responsibilities Deploy and maintain OneTrust Data Discovery worker nodes and connectors. Gather technical metadata for onboarding systems (hostnames, IPs, OS, DB versions, ports, authentication methods). Enable secure connectivity for discovery scans across servers, databases, and storage platforms. Coordinate service accounts and least-privilege access, managing secrets through enterprise vault solutions such as CyberArk or Azure Key Vault. Work with...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Apr 05, 2026  
Principal Portfolio Architect
Principal Portfolio Architect 6 months - possible extensions until Jan 2027 London Inside IR35 - Umbrella only What I'll be doing - your accountabilities End-to-end Architecture Strategy/Roadmap and Design of the Wholesale Customer Segment Sets and drives the target architecture strategy/roadmap and overarching blueprint aligned to the Business vision. Drives adoption of the strategic architecture, balancing the outcomes needed of the tribes (including transition states from current to planned) You will align expected outcomes balancing customer value and technical debt (including relevant technology KPI targets), providing proactive Architecture assurance and architecture governance. Guides on the technical shaping and feasibility driving definition of Lean Business Cases, epics and features, identifying major dependencies, estimating cost and complexity. Inputs relevant tribe roadmaps content into overall Business architecture roadmap and strategy Responsible for...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 05, 2026  
Senior Python Developer
Senior Python Developer Duration: 14 Months Location: London, UK (3 days in office) Active SC Clearance required Inside IR35 - Umbrella only About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. The Senior Developer will be responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering an existing codebase to integrate new features and improvements. This role requires a strong understanding of software development principles, experience with various programming languages and frameworks, and a passion for building high-quality, scalable, and maintainable software. Drive the development of MVPs, ensuring timely delivery and alignment with...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 08, 2026  
Senior Data Engineer
Senior Data Engineer – (Tick data, Time-Series; kdb+ / Q ) 3-6 months initially. London 3 days onsite   Are you a Data Engineer with a background in systematic trading who has worked with granular tick market data? Have you built pipelines to allow tick data to be ingested into a time series tech stack utilising kdb+ and Q? If so keep reading!   Certain Advantage are recruiting on behalf of our London based trading client for a Data Engineer to focus on building a scalable data platform for algorithmic trading.   You’ll Identify and implement solutions for Quants and Traders, providing data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics.   Your Project Work: Identify and implement solutions to provide data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics. Work with business Stakeholders to build new and maintain existing real-time and historical data services and...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Apr 11, 2026  
Platform Engineer - Active SC, Oracle, Java
Platform Engineer - Active SC, Oracle, Java Up to £550 per day - Inside IR35 Hybrid 6 months My client is an instantly recognisable consultancy who urgently require a Platform Engineer with Active SC Clearance for an end client within the public sector. Key Requirements: Proven commercial experience working as a Platform Engineer within the public sector. Active SC Clearance. Experience maintaining and troubleshooting legacy applications/infrastructure, including Oracle, WebLogic, and Elasticsearch. Building and supporting CI/CD pipelines, refactoring code, and developing automated tests. Strong knowledge of Nginx, Apache Tomcat/HTTP, and ETL processes. Installing and supporting Oracle 11, including Partitioning, RAC, RMAN (PL/SQL desirable). Hands-on experience with Docker, VMWare ESX v6, and related virtualization technologies. Proficiency in Oracle Solaris 10, Red Hat Enterprise Linux 8, Microsoft Windows Server (2008/2016/2019), and IBM Initiate MDM. Nice to...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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