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Contractor 41
Information Technology Inside IR35 Wallingford

41 jobs found in Wallingford

CL
May 01, 2026  
Senior Infrastructure Engineer
Senior Infrastructure Engineer £450 Per Day, Inside IR35 6-Month Contract Didcot, Oxfordshire Your new company We're supporting a nationally significant scientific research organisation recognised for delivering some of the most advanced and high-impact projects in the UK. Their digital platforms underpin cutting-edge experiments, secure collaboration and large scale data processing, and they rely on a modern, resilient infrastructure estate to keep these environments running safely and efficiently. As part of their ongoing investment in core services, they are seeking an experienced Senior Infrastructure Engineer to maintain, support and enhance their Microsoft 365, server, storage and authentication systems. This is a place where your technical expertise will directly contribute to work used across the UK science and innovation landscape. Your new role You'll take responsibility for the hands-on support and maintenance of both on-premise and cloud-based infrastructure....
IR35 Status:
Inside IR35

CV-Library Didcot, Oxfordshire Contractor
CL
May 07, 2026  
Identity and Access Management (IAM) Specialist
Role: IAM Specialist (Identity Governance & Administration) Location: Culham - 2-3 days per week on site, remainder remote Duration: Until 18/12/2026 (possible extension) Day Rate: Approx. £50-55/hour (Umbrella) IR35: In scope Sector: Cyber / Public Sector Clearance: BPSS (eligible for SC) Our client's mission is to deliver highly secure, scalable and innovative digital solutions to support critical national work. The IAM Specialist will sit within the cyber security team and will be directly responsible for the technical implementation and configuration of a new IGA platform. What you will be doing Implement and configure an enterprise IGA platform (SailPoint, Saviynt, Omada, One Identity or similar) from a hands-on, technical standpoint. Integrate the IGA solution with Microsoft Entra ID / Azure AD as the primary Identity Provider. Connect authoritative sources (HR systems, contractor databases, directories) to underpin identity lifecycle management. Design and build...
IR35 Status:
Inside IR35

CV-Library Abingdon, Oxfordshire Contractor
CL
May 05, 2026  
Network Architect
Network Service Delivery Principal Location: Wokingham (3–5 days per week onsite) Start: ASAP Contract: 6 months initially Rate: £420 per day (Inside IR35) Overview Our client is seeking a visionary, highly technical Network Service Delivery Principal to lead the strategic design, evolution, and governance of a complex enterprise network estate. This is a senior, hands‑off architecture and leadership role. While engineering teams focus on delivery and operations, this position defines the network blueprint they build from—bridging business strategy and technical execution across on‑prem, cloud, and hybrid environments. You will architect scalable, automated, and secure network solutions spanning LAN, WAN (including SD‑WAN), cloud (AWS/Azure), and data centres, while driving the adoption of Network DevOps and Infrastructure as Code at an architectural level. Acting as a technical authority, you will guide senior stakeholders, mentor engineers, and ensure the network estate...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
May 08, 2026  
Project Manager (Data & Systems Integration)
Project Manager (Data & Systems Integration) * Hybrid-working (West London + WFH) * £360 per day * 12-month contract (Inside IR35 / via Umbrella) The Opportunity: We are working with a highly regarded organisation seeking an experienced Project Manager to lead the integration and optimisation of critical business systems and data platforms. This is a high-impact role sitting at the intersection of data, systems and operational delivery, where you will play a key role in ensuring the accuracy, integrity and usability of data across the organisation. You will take ownership of data integration and migration initiatives, working closely with internal stakeholders, external vendors and leadership teams to deliver a unified tracking platform that enables consistent reporting, forecasting and informed decision-making. Skills and Experience: * Proven experience in Project Management, Programme Delivery or Data Operations * Strong track record delivering data...
IR35 Status:
Inside IR35

CV-Library Hillingdon, Greater London Contractor
CL
May 08, 2026  
IT Project Manager (DDaT)
IT Project Manager (DDaT) 6 months Initially (Potential to extend) £450pd - £505pd (Inside IR35/Umbrella) Milton Keynes (Hybrid 3 days in office per week) Ideally candidates will be SC Cleared Mon - Fri My central Government client is looking for a Project Manager on an initial 6-month contract. You will be responsible for delivering secure digital, data, and technology (DDaT) projects across government sectors. Key focus includes developing business cases, planning and executing projects within time, cost, and quality constraints, leading governance and ensuring compliance within the clients frameworks. The role demands strong stakeholder management, leadership in matrix teams, risk and change management, and driving efficiency and innovation. The ideal candidate will have extensive experience in secure government environments, knowledge of Secure by Design principles, agile methodologies, and proficiency with tools like MS Project, alongside proven ability...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
May 02, 2026  
Java Developers x 2 (Guildford)
Java Developer (x2) - SC Cleared Guildford or Newcastle - 2/3 days per week onsite £525 per day (Inside IR35) Active SC Clearance Required Join a collaborative Agile Scrum team as a Java Developer, building innovative geospatial solutions using modern cloud technologies. You'll work across the full software development lifecycle, designing and developing scalable cloud-based applications, writing clean, maintainable code, and ensuring quality through testing and best practices. Alongside contributing to code reviews and reusable solutions, you'll collaborate closely with your team in Agile ceremonies to deliver impactful, high-quality software. What We're Looking For Strong experience with Java Experience in cloud services development Solid understanding of unit testing frameworks and practices DevSecOps awareness (e.g. Tekton, ArgoCD, SonarQube) (desirable) Experience with Kubernetes or Red Hat OpenShift (desirable) Familiarity with the Quarkus framework (desirable)...
IR35 Status:
Inside IR35

CV-Library Guildford, Surrey Contractor
CL
May 10, 2026  
Senior Technical Architect – National Security Programme
Senior Technical Architect – National Security Programme 📍 Milton Keynes (Hybrid – 60% onsite) 💰 £508.77/day PAYE or £652.82/day Umbrella 📅 6 Month Contract (Potential Extension) 🔒 SC Clearance Eligible Required A leading government-focused organisation is seeking a Senior Technical Architect to support the delivery of critical national security capabilities. This is a high-impact role working at the intersection of architecture, engineering, and secure government operations. The Role You’ll play a key role in shaping and delivering secure technical solutions within a complex, high-assurance environment. Acting as a bridge between stakeholders and technical teams, you’ll ensure solutions are robust, compliant, and aligned with strategic objectives. Key Responsibilities * Lead technical engagement with stakeholders, translating business needs into scalable solutions * Facilitate and run technical workshops with customers and delivery teams * Produce and maintain high- and...
IR35 Status:
Inside IR35

CV-Library MK19, Tathall End, Milton Keynes Contractor
CL
May 08, 2026  
Senior Web Application Developer ASP.NET MVC 5, C#, & React
Senior Web Application Developer ASP.NET MVC 5, C#, & React Location: Hybrid 3/4 days p/w onsite West London Must have right to work in the UK and located near West London 3 months contract (extension TBC) Start ASAP (Immediate start / within 2 weeks notice) Inside IR35 contract £425pd - (£538pd rate to umbrella) Equivalent Approx salary Pro rata £(Apply online only)k Seeking a Senior Web Application Developer (ecommerce) with Minimum 8 years of Web application development experience consisting of strong C#, ASP.NET MVC 5, and React. Strong knowledge of Object-Oriented Programming, SOLID principles, common design patterns and RESTful API design and integration (experience with SOAP WebServices and XML/XPat) also required. We are looking for a strong portfolio in bespoke eCommerce and enterprise web applications. Other desirable skills include a mix of HTML5, CSS3, JavaScript, jQuery etc. This Snr Web Developer / C#, ASP.NET MVC 5 Developer will to play a key role in the next...
IR35 Status:
Inside IR35

CV-Library Hammersmith, London Contractor
CL
May 10, 2026  
Database Manager
Database Manager +Hybrid working in Chippenham +6 months + +£41.71 ph Inside IR35 +SC cleared role Role Overview Responsibilities Perform database maintenance and update activities Implement database changes as requested through change management procedures Release new databases on system Maintain database change control documentation Perform routine data and software backup and archiving activities Perform routine system maintenance and housekeeping activities to ensure optimum performance Diagnose and rectify system failures Re-start subsystems to recover from failures Support the Software Manager in system, software and database configuration management activities. Skill Set Essential The candidate should have at least 1 - 2 years' experience of database administration or system support within a spacecraft operation, or similar mission-critical systems environment. Key skill areas should include the following: General Skills Oracle database administrationOperating...
IR35 Status:
Inside IR35

CV-Library Chippenham, Wiltshire Contractor
CL
May 09, 2026  
SCC Database Manager
SCC Database Manager 6 Month Contract (Inside IR35) Full Time On Site Chippenham Belcan are currently working with one of the leaders in the Aviation industry, to support them in their search for a SCC Database Manager. They client is looking for a SCC Database Manager on a 6 month contract, to support their current database, and to maintain, change, and rectify any issues within the system. Role Overview Responsibilities Perform database maintenance and update activities Implement database changes as requested through change management procedures Release new databases on system Maintain database change control documentation Perform routine data and software backup and archiving activities Perform routine system maintenance and housekeeping activities to ensure optimum performance Diagnose and rectify system failures Re-start subsystems to recover from failures Support the Software Manager in system, software and database configuration management activities. Skill Set...
IR35 Status:
Inside IR35

CV-Library Chippenham, Wiltshire Contractor
CL
May 09, 2026  
SCC Database Manager
Our client has an opportunity for a SCC Database Manager to join them on a contract basis for 6 months with possible extension. You will be performing database maintenance and update activities. Role: SCC Database Manager Location: Chippenham, Oxfordshire - fully onsite 5 days per week Hours: 37 per week Clearance: SC required before starting. Those with active SC will be prioritised. UK Eyes Only due to project Hourly Rate: Up to £41.71 per hour via an umbrella company, inside IR35 What you'll be doing: Perform database maintenance and update activities Implement database changes as requested through change management procedures Release new databases on system Maintain database change control documentation Perform routine data and software backup and archiving activities Perform routine system maintenance and housekeeping activities to ensure optimum performance Diagnose and rectify system failures Re-start subsystems to recover from failures Support the Software Manager in...
IR35 Status:
Inside IR35

CV-Library Chippenham, Wiltshire Contractor
CL
May 10, 2026  
IDAM Back-end Java Developer - SC Cleared
IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35: Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking for a back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service, re-platforming to Azure Kubernetes Service. You will have a solid understanding of modern deployment pipelines and DevOps principles. The role will require providing out of hours support (i.e. Monday to Saturday once per month). As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 10, 2026  
User Reearch Lead UX Consultant - MOD SC CLearance
User Researcher - Lead UX Consultant - MOD SC Required (DV Preferred) I'm currently looking for an experienced User Researcher / Lead UX Consultant to join a high‑profile Public Sector digital programme. This is a senior, hands‑on role where you'll lead user research, shape design decisions, and work closely with technical teams to deliver accessible, build‑ready solutions.This role suits someone confident operating in secure, regulated environments who enjoys influencing outcomes-not just contributing artefacts. The basics Contract: 6 months (01/06/2026 - 30/11/2026 with extensions expected) Rate: £690 per day IR35: Inside IR35 (Umbrella only) Location: Hybrid - predominantly remote, with travel to London / South ~4-5 times per month Clearance: Active MOD SC required (DV preferred) Nationality: UK National onlyWhat you'll be doing In this role, you'll be trusted to lead from the front. You will: Plan and deliver user research, including interviews, workshops and usability...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 10, 2026  
User Reearch Lead UX Consultant - MOD SC CLearance
User Researcher - Lead UX Consultant - Public Sector Programme | MOD Security Clearance Required (DV Preferred) I'm currently looking for an experienced User Researcher / Lead UX Consultant to join a high‑profile Public Sector digital programme. This is a senior, hands‑on role where you'll lead user research, shape design decisions, and work closely with technical teams to deliver accessible, build‑ready solutions.This role suits someone confident operating in secure, regulated environments who enjoys influencing outcomes-not just contributing artefacts. The basics Contract: 6 months (01/06/2026 - 30/11/2026) Rate: £690 per day IR35: Inside IR35 (Umbrella only) Location: Hybrid - predominantly remote, with travel to London / South ~4-5 times per month Clearance: Active MOD SC required (DV preferred) Nationality: UK National onlyWhat you'll be doingIn this role, you'll be trusted to lead from the front. You will: Plan and deliver user research, including interviews, workshops...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 10, 2026  
Data Scientist
Data Scientist - Operational & Optimisation-Focused AI £700+ per day | Inside IR35 | Long-term programme (2-3 years) I'm currently looking for Data Scientists to join a highly capable, collaborative team working on real operational problems at serious scale within a well‑established, commercially driven organisation.This is a role for someone who enjoys building things that actually run the business - not experiments that sit on a slide deck. You'll be working on postoptimization, decision‑making problems where the output of your models directly affects cost, performance, and customer outcomes every day. Location & Contract Rate: £700+ per day (Inside IR35, depending on experience) Contract: Rolling 6‑month contracts, with a realistic 2-3 year roadmap of work Working pattern: Hybrid - 2-3 days per week onsite in West London / Paddington area and West Drayton Start: ASAP (subject to onboarding) What the role is really about In this role, you won't be siloed away from the...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 10, 2026  
BRIM Solution Architect
BRIM Solution Architect-£810 per day (Inside IR35) Clearance required: BPSS Location: REMOTE working IR35 Status: Umbrella company only Overview I am looking for a BRIM Solution Architect to support a complex billing and revenue management programme built around subscription‑based and usage‑driven business models. This role is fully remote and requires a genuine SAP BRIM specialist who has delivered multiple end‑to‑end BRIM implementations and understands the complete functional and data flow from usage through to invoicing and financial posting.This is a hands‑on functional role. You will be deeply involved in design, configuration, and delivery - not overseeing from a distance. If your experience is primarily technical, BASIS, ABAP, or programme management, this role will not be the right fit. What I Am Looking For You must have a deep, practical understanding of SAP BRIM, not just surface‑level exposure. This role is for someone who can confidently operate across the...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 10, 2026  
C# Developer
Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £490 p/d (inside IR35) Location - Hybrid / Canary Wharf Tech Stack C# WPF Winforms Javascript SQL OracleTasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required. As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 09, 2026  
PMO Lead - DV Cleared
Our client, operating within the Defence & Security sector, is seeking a skilled PMO Lead to join their London-based team on a contract basis. This role is integral to the Project Operations (ProjOPS), focusing on the design, establishment, and leadership of a centralised Project Management Office (PMO). The PMO Lead will provide oversight, governance, and capacity building to enhance delivery capabilities for a portfolio of complex internal and strategic change initiatives. Key Responsibilities: Lead the design and establishment of a central PMO, embedding it as a core function within Project Operations Own the ongoing management and continuous improvement of the PMO to support delivery of large, complex projects Strengthen project management capability across the organisation through capacity building Develop and maintain the PMO operating model, standards, and toolkits Establish consistent governance, oversight, and performance reporting across all project types Maintain...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 09, 2026  
BRIM Solution Architect CGEMJP00338058
Role Title: BRIM Solution Architect Duration: contract to run until 30/06/2027 Location: London, Hybrid 2/3 days per week onsite Rate: up to £828 p/d Umbrella inside IR35 Role purpose / summary Having 14-15 years of experience with functional knowledge in BRIM. End to end knowledge of BRIM functional processes & data flow. At least worked on 2-3 projects in BRIM. Strong experience in functional processes of master data, Convergent Invoicing, SOM, Convergent Charging, Convergent Mediation & FICA. Having in depth knowledge of subscription billing model like recurring, usage & onetime scenario. Having good knowledge in Finance processes including finance master Data. Good to have if certification in BRIM. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
May 09, 2026  
BRIM Solution Architect CGEMJP00338058
Role Title: BRIM Solution Architect Duration: contract to run until 30/06/2027 Location: Remote Rate: up to £828 p/d Umbrella inside IR35 Role purpose / summary Having 14-15 years of experience with functional knowledge in BRIM. End to end knowledge of BRIM functional processes & data flow. At least worked on 2-3 projects in BRIM. Strong experience in functional processes of master data, Convergent Invoicing, SOM, Convergent Charging, Convergent Mediation & FICA. Having in depth knowledge of subscription billing model like recurring, usage & onetime scenario. Having good knowledge in Finance processes including finance master Data. Good to have if certification in BRIM. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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