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Contractor 39
Information Technology Inside IR35 Hitchin

39 jobs found in Hitchin

CL
Apr 17, 2026  
Embedded DSP SW Engineer – Software Defined Radio Datalink
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an Embedded DSP Software Engineer – Software Defined Radio Datalink subcontractor on an initial 6 month contract.     This role would suit a candidate who comes from a mobile communications industry or from the aerospace / defence field. Other industries will be considered too.   Rate: £70 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will based onsite.  A compressed 4-Day week of Monday to Thursday is possible Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview process   Embedded DSP Software Engineer – Software Defined Radio Datalink Job Description:   Join our growing Software team in Stevenage, working as part of a dynamic team to...
IR35 Status:
Inside IR35

CV-Library Stevenage, 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
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 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
Apr 16, 2026  
SAP FI/CO Project Manager / PMO
SAP FI/CO Project Manager / PMO £500 Day Rate - Inside IR35 12 Month Contract Hybrid - Hertfordshire (with occasional international travel, c.20%) Must be eligible to work in the UK    We are supporting an organisation undergoing a significant SAP transformation programme and are looking to engage an experienced SAP FI/CO Project Manager with a strong understanding of PMO governance. This role will take ownership of delivering SAP initiatives aligned to business priorities, ensuring structured delivery across scope, timelines & budget.    Key Responsibilities: Lead end-to-end delivery of SAP projects across the full lifecycle Drive alignment with PMO governance, reporting and delivery frameworks Manage project scope, timelines, risks & budget Work closely with business stakeholders to define objectives and deliverables Develop, maintain detailed project plans, and resource allocation Provide regular reporting and updates to senior stakeholders Facilitate...
IR35 Status:
Inside IR35

CV-Library Hertfordshire, UK Contractor
CL
Apr 17, 2026  
Azure Infra Architect
Azure Infrastructure Architect / Lead IaC Engineer 📍6 Months (Remote) 💰£500 - £550 per day (Inside IR35) Active SC Clearance Required A leading IT solution provider is seeking an expert Azure Migration Architect to lead a high-stakes digital transformation project. You will be the technical lead for the entire end-to-end migration journey-from architecting Azure Landing Zones to containerising mission-critical applications that underpin services of national importance. In this role, you will create blueprints and implement scalable, secure multi-cloud environments using a "security-by-design" approach. Must have Skills On-Prem to Azure Migration: Proven track record of end-to-end transitions using CAF/WAF best practices. Infrastructure as Code (IaC): Advanced proficiency in Terraform & Bicep (Mandatory). Cloud-Native Mastery: Expert knowledge of AKS (Kubernetes) and Azure Container Instances. CI/CD Orchestration: Deep experience with Azure DevOps and GitHub Actions....
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 15, 2026  
Business Analyst - Cyber, IAM, SailPoint
Business Analyst - Cyber, IAM, SailPoint Up to £600 per day - Inside IR35 London / Hybrid 6 months My client is an instantly recognisable Global Insurer who urgently require a Business Analyst with extensive experience on IAM or cybersecurity programmes within large, highly federated organisations. Key Requirements: Proven commercial experience working as a Business Analyst experience within IAM or cybersecurity programmes, including SailPoint IdentityIQ/IdentityNow implementations. Strong understanding of IGA (Identity Governance Administration) processes, including access lifecycle (JML), access models, entitlement structures, certifications, attestation, and RBAC/role modelling. Proven ability to analyse identity data flows, directory services (AD/LDAP), and support API‑based integrations and application onboarding. Skilled in collaborating with security, infrastructure and application teams to define and refine identity governance requirements. Advanced proficiency in...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 12, 2026  
Digital Twin Developer | £800 p/d inside IR35
Digital Twin / 3D Visualization Developer | £800 p/d inside IR35 We're looking for a Digital Twin Developer to help develop immersive, interactive 3D digital twin experiences used across web and mobile applications. You'll work with modern technologies including Python, JavaScript, and TypeScript. What you'll do: Build immersive 3D digital twin models that power engaging experiences across web and mobile applications Build interactive virtual tour features using Python, JavaScript, and TypeScript Optimise models for fast rendering and smooth performance across devices Ensure accuracy, scalability, and consistency across the digital twin pipelines Nice to have: Building agents / multi-agent systems Developing Retrieval‑Augmented Generation (RAG) systems Agentic frameworks: LangGraph / LangChain Deployed LLMs at enterprise scale Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 18, 2026  
DevOps Engineer - Active SC, Linux, AWS
DevOps Engineer - Active SC, Linux, AWS Up to £425 per day - Inside IR35 London / Primarily Remote 6 months My client is an instantly recognisable consultancy who require 2 DevOps Engineers with Active SC Clearance for an end client within the Public Sector. Key Requirements: Proven commercial experience working as a DevOps Engineer within the Public Sector. Active SC Clearance. Strong experience with Linux (RHEL/Ubuntu), AWS, and high‑availability Kubernetes environments (EKS/RKE) including load balancing and multi‑site failover. Proficient in containerisation and orchestration using Docker, Kubernetes, and Helm. Skilled in IaC and automation with Terraform, Ansible, and supporting cloud‑native platform modernisation. Hands‑on with CI/CD pipelines (GitLab CI), Git version control, and automated delivery practices. Experienced with monitoring and observability tooling such as Prometheus and Grafana. Knowledge of data and streaming technologies including Kafka, MongoDB, MySQL,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Java Full Stack Developer
Java Full Stack Developer Location: London - Hybrid – 3 days per week onsite Start Date: ASAP Contract Rate: TBC, likely in the region of £500 per day inside IR35 Duration: 6 months initially Role Overview Our client is seeking a Senior Java Full Stack Developer to help design, build, and support complex Java/Python applications within a distributed, microservices‑driven environment. You’ll work across global teams, contribute to an AI‑focused engineering roadmap, and provide critical L3 production support to ensure stability and performance. Key Responsibilities * Develop and maintain Java & Python applications, microservices, and distributed systems. * Work with global product, UX, and engineering teams to deliver high‑quality solutions. * Contribute across the full SDLC, ensuring scalable, secure, test‑driven delivery. * Support L3 production incident resolution, root‑cause analysis, and preventive fixes. * Perform code reviews, enforce best practices,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Python Software Engineer
Job Title: Python Developer Location: London, UK- hybrid onsite role 3 days per week Duration: Two year with extensions (PAYE position inside IR35) Pay: £80-90 per hour (depending on experience) Overview: In order to support significant and sustainable growth in the Structured Notes (SN) and Structured Products (SP) businesses, Equity Linked Technology is building a highly automated, fully STP system solving front-to-back business needs. The system will help automate pre-trade and post-trade activities including pricing, quoting, booking, client connectivity, workflow, sales/trader blotters, lifecycle management, documentation/confirms generation, and Treasury. This is a unique and exciting opportunity for a dynamic, enterprising mid-level developer to join the fastest growing area in Equities Derivatives Technology and contribute to the continuing buildout of technology and process automation solutions to enable significant SN and SP business growth. The successful candidate...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 18, 2026  
Programme Manager
Job title: Programme Manager Duration: 6 months, rolling up to 2 years Day rate: £850 per day (Inside IR35, PAYE) Location: 2 days per week in Stratford, London office (moving to 50% in office from 1 September) Your recruitment contact is Olivia Greig via About the organisation Our client is an independent regulatory body in the UK responsible for ensuring the financial markets work well for the consumers and the economy, promoting market integrity and effective competition. Are you interested in joining a team that work closely with business areas to deliver business change activities in support of technology, regulation, process and behavioural changes? About the role The Programme Manager will be responsible for the successful delivery of complex projects within the Regulatory Excellence Programme. This is a large high-profile programme implementing a wide range of process and technology changes to transform the regulatory operating model of the organisation, making...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 17, 2026  
Python developer
Python Developer London hybrid 12 month contract Inside ir35 Job Description: The role is to work as an application developer within the Securities Lending technology team in London. Securities Lending is responsible for facilitating short sales for clients including Hedge Funds and Internal Trading Desks, Collateral automation for Asset Optimization Group (AOG) and Supply Desk automation to source external Inventory Mandatory Skills Strong Python development experience interacting with both data in motion (Amps, Kafka) and data in rest (SQL server/ Sybase/ Oracle) experience Good understanding of Agile and Lean software development practices and associated tools Strong communication and presentation skills Ability to work with senior stakeholders in front, middle and back office Problem solving skills e.g. ability to lead root cause analysis, own resolutions & Strategic thinker who can see the big picture and provide thought leadership. Preferred: React JS, .Net...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 17, 2026  
Technical Lead - Active SC, Java
Technical Lead - Active SC, Java Up to £550 per day (Inside IR35) London / Remote 3 months initially My client is an instantly recognisable consultancy who urgently requires a Technical Lead/Lead Developer, with Active Security Clearance (SC), and with proven team lead experience to join a business-critical programme. Key Requirements: Proven experience working as a Lead Java Developer within the public sector Demonstrable team lead / leadership experience - ability to guide developers, support technical decision making, and ensure delivery standards Active Security Clearance (SC) Expertise in a range of technologies, including Java 8 and 17+, Spring / Spring Boot, React / HTML AWS Cloud Services experience Working experience with MySQL Nice to have: Technical hands-on experience with Terraform, Kibana, Apache Camel Linux in a containerised environment Immediate availability If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 17, 2026  
Azure Cloud Architect (EUC)
Azure Cloud Architect / London (Hybrid) / 12 months / £600-£650pd (Inside IR35)    I am currently supporting a consultancy client of ours recruit a Azure Cloud Architect to join them on an initial 12 month contract. This can be completed on a hybrid basis, with occasional office visits to London when required.    Skills & experience needed: Strong hands‑on expertise in Microsoft Azure across networking, compute, storage, and integration services Skilled in designing secure Azure network architectures: VNets, ExpressRoute/VPN, firewalls, load balancers, DNS, routing Experience delivering scalable compute solutions: VMs, VM scale sets, AKS, App Services, serverless patterns Proficient with Azure storage technologies: Blob, File, Disk, plus backup and DR/resilience patterns Deep knowledge of API integration, messaging, and event‑driven architectures Advanced Identity & Access Management capability: Entra ID/Azure AD, RBAC, Conditional Access, Privileged Access Proven track...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 17, 2026  
Technical Project Manager / Business Analyst – EDI
Technical Project Manager / Business Analyst – EDI Contract Hybrid – 1-2 Days a week onsite in London with 2-3 Days a month in Amsterdam £700-£850pd (Inside IR35) Initially a 3 month contract   We are supporting a major global transformation programme involving the carve-out and stand-up of a new, independent organisation from a large multinational group. This is a high-profile, large-scale initiative delivered in partnership with leading global systems integrators, focused on implementing core enterprise systems including SAP and procurement platforms. As part of this programme, we are seeking a strong Technical Project Manager / Business Analyst to lead and manage Electronic Data Interchange (EDI) workstreams.   Key Responsibilities Lead the end-to-end delivery of EDI-related project activities within a complex transformation environment Identify, assess, and scope gaps across business and technical processes (e.g. operational carve-outs such as warehousing) Drive...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 17, 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
Apr 16, 2026  
SRE - Site Reliability Engineer
Senior Site Reliability Engineer (Observability) Location: London/UK (Remote) Contract: 12 Months Initial Day rate : £55 Per Hour - £62 Per Hour Inside IR35 Job Overview We are looking for a Senior Site Reliability Engineer with strong experience in Observability, Monitoring and Distributed Systems to support large-scale cloud infrastructure supporting millions of devices globally. The role focuses on building and scaling monitoring, logging and alerting platforms to ensure high availability and performance of cloud services. Responsibilities Design, deploy and scale observability platforms Manage and scale Prometheus monitoring systems Deploy and maintain large Elasticsearch clusters Build and maintain data pipelines using Kafka Develop alerting and monitoring frameworks Automate infrastructure using Terraform and Ansible Develop tools and scripts using Python, Go, Ruby or Bash Work with Linux systems (Debian/Ubuntu) Participate in on-call rotation Improve system...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 16, 2026  
Enterprise Architect
Enterprise Architect – 6-month contract – SC Cleared – Inside of IR35 – London/Remote – Retail Payments My Customer is looking for an experienced SC Cleared Enterprise Architect to play a key role in shaping the future of retail payments. This position will focus on defining the strategic direction, architecture, and user experience for next-generation payment systems, working closely with industry stakeholders and internal bodies. You will operate at a strategic level, translating complex requirements into clear architectural direction while ensuring alignment across multiple programmes and partners. Experience & Skills from the Enterprise Architect: Actively SC Cleared Background in architecture, design, or solution modelling Direct retail payments system/design or supervisory experience  Experience leading or contributing to large programmes or transformation initiatives Exposure to retail payments systems, financial services, or regulated environments Strong ability to...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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