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Contractor 74
Information Technology Letchworth Garden City

74 jobs found in Letchworth Garden City

CL
Apr 29, 2026  
Embedded DSP SW Engineer - Software Defined Radio Datalink
Our client, a distinguished organisation in the Defence & Security sector, is currently seeking a skilled Embedded DSP SW Engineer to contribute to their Software Defined Radio Datalink projects. This contract position based in Stevenage offers an exciting opportunity to make a significant impact in a cutting-edge field. Key Responsibilities: Developing software for digital signal processing (DSP) applications Implementing embedded C programming for software-defined radio datalink projects Utilising SysML/UML for system modelling and design Collaborating with cross-functional teams to ensure successful project delivery Conducting detailed technical assessments and troubleshooting issues related to software and hardware interfaces Maintaining documentation to support software development processes Adhering to security clearance requirements and industry regulations Job Requirements: Extensive experience in digital signal processing (DSP) Proficiency in embedded C...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 26, 2026  
Principal Quality Assurance Engineer - Stevenage
MERITUS are recruiting for a Principal Quality Assurance Engineer to support with Supply Chain engineering programmes in the defence sphere from our client's site in Stevenage. Please note, there will be regular supplier visits to international sites and you must have awareness of AS9100 and ISO 9001. PRINCIPAL QUALITY ASSURANCE ENGINEER - INSIDE IR35 - £45 PER HOUR (£333 PER DAY) - 6 MONTHS - 2 STAGE INTERVIEW PROCESS - STEVENAGE (+INTERNATIONAL TRAVEL) 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 Maintain accurate and organized records of all quality control activities Communicate findings to relevant departments / stakeholders and work cross functionally to implement root cause corrective actions at supplier Contribute...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 25, 2026  
Supplier Quality Engineer/Auditor
Our client has an opportunity for a Principal Quality Assurance Engineer - Supply Chain to join them on a contract basis. This opportunity provides the chance to work within a dynamic quality team. The primary responsibility will be to plan and conduct supplier quality audits / surveillance activities to drive future process control. In addition, where applicable carry out inspection / verification activities to support the delivery of conforming production hardware. While ensuring adherence to our customer and supplier requirements. Role: Principal Quality Assurance Engineer Location: Stevenage or Bolton, 2 days WFH the rest onsite/visiting suppliers Contract: 6 months rolling Clearance: Full SC required to start - UK Eyes Only due to project Hourly Rate: £40-£45 per hour via Umbrella, inside IR35 What you'll be doing: Complete scheduled Quality Assurance audits at suppliers using standardised tools Conduct thorough verification / inspection of products to ensure they meet...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
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
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
Apr 29, 2026  
Supply Chain Engineering
Supply Chain Engineering Location: Luton - Hybrid – 1 to 2 days per week onsite Start Day: ASAP Contract Rate: £585 per day inside IR35 Duration: 6 months initially Role Overview Our client is seeking an experienced Supply Chain Engineering / Technical Architect to take ownership of ERP and integration outcomes across a complex, multi‑functional environment. This role will act as a single point of accountability, working closely with senior stakeholders to deliver secure, scalable, and resilient integration solutions aligned with operational and regulatory requirements. Key Responsibilities * Own and guide integration architecture across ERP systems, devices, and payment platforms * Manage technical debt, resilience, and scalability in partnership with architecture teams * Ensure security, compliance, and governance standards are embedded throughout delivery * Define and oversee integration strategies with third‑party suppliers and internal systems * Act as a...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Apr 25, 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 25, 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 24, 2026  
Python Developer - SC Cleared - Onsite
Network IT is currently recruiting for a Python Developer to design, develop, test, and maintain high-quality software solutions for our client in Milton Keynes.   In this role, you will focus on building scalable, efficient, and maintainable applications while collaborating closely with cross-functional teams to deliver impactful technical solutions.   Our client is looking for someone with strong Python experience, along with Goland and C# / .net.   This is a fully onsite role due to the work being carried out. You will need to be eligible for SC Clearance, and hold a British Passport.   Role: Python Developer Duration: 6 Months Rate: £540 per day Status: Inside IR35 Location: Milton Keynes Working Pattern: Onsite Role   Key Responsibilities Develop, enhance, and maintain Python-based applications and services Background with Golang and C# / .Net skills Write clean, efficient, reusable, and well-documented code Participate in the full software development lifecycle, from...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, UK Contractor
CL
Apr 23, 2026  
Manual Tester
Manual Tester** (Contract) Duration: 12 Months Possibility for extension) Location: Watford/Hybrid (2 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Overview We are looking for an experienced Manual Tester to come in on a 12-month contract working on several key projects. You will be a key member of the test team working to agreed approaches and guideline, working on various test phases (functional through to staging). Key Responsibilities: Involvement in all test activities (reviewing designs, estimates, testing, bug re-testing, etc.) Manual testing of web-based applications ensuring coverage meets agreed standards. Preparing test data and test documentation (test plans/test scripts) as required. Comfortable with cross-browser/platform testing on both actual devices and simulations. Supporting Development team to log, reproduce, and re-test bug fixes. Pro-actively working with various disciplines including...
IR35 Status:
Unknown Status

CV-Library Watford, Hertfordshire Contractor
CL
Apr 23, 2026  
Cyber Security Engineer
Cyber Security Engineer Day Rate: £500 - £550 per Day (Outside IR35) Duration: 3 Months + Likely Extension Location: London (hybrid working) My client is a rapidly growing global organisation offering a range of services to the Professional Services sector globally. They are recruiting for an experienced hands-on Cyber Security Contractor to support their security operations and compliance initiatives, working closely with their internal Security team to strengthen their cyber resilience and ensure adherence to UK standards. Key Duties: * Implement, manage and actively monitor security controls across e-mail, endpoint, and cloud environments * Monitor and respond to security incidents using advanced threat detection tools * Assist with compliance activities and audits for ISO27001, Cyber Essentials & Cyber Essentials Plus certification * Provide technical expertise on security best practices and risk mitigation * Collaborate with IT and business teams to...
IR35 Status:
Outside IR35

CV-Library EC2N, Lime Street, Greater London Contractor
CL
Apr 30, 2026  
BI Reporting Analyst
Insight & Analytics Specialist 3 Months Contract - £200 to £270 a day inside IR35 London Based (3 days in the office) A leading UK Fintech brand is looking for a data-driven Insight & Analytics Specialist to join their Growth & Retention team. You will play a pivotal role in bridging the gap between raw data and commercial strategy, focusing on optimising the customer journey and enhancing long-term user value. The Role Visualisation: Design and scale high-impact dashboards (Tableau/Qlik) to track revenue drivers and customer health. Data Engineering: Leverage SQL and Python to build scalable ETL processes and ensure seamless data integration. Experimentation: Partner with the Growth team to analyse A/B test results and set performance baselines for future scaling. Stakeholder Management: Act as a technical consultant for Sales, Marketing, and Success teams, translating complex data into executive-level insights. Governance: Drive data integrity and best practices...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 30, 2026  
Salesforce Developer (SC Clearance Eligible)
Salesforce Developer (Eligible for SC Clearance) 6 Months Hybrid/London - 2-3 days per month £(Apply online only) per day (Inside IR35) My client, a government body are seeking a Salesforce Developer to join their fast-paced Salesforce Delivery team in London, on an initial 6 month contract based out of London on a hybrid basis where the selected candidate will be required on site 2-3 days per month. ***Please note, you must either hold Full UK Security Clearance (SC) or be able to attain it to be eligible for this role*** The Salesforce Developer builds on and extends the capabilities of the Salesforce platform. You will use the full arsenal of tools and components within Salesforce, including Flows, OmniScript, Apex and LWC. While you will report into your project leads, you can expect some level of client and project stakeholder interaction. Responsibilities on the role- Salesforce Industry cloud Development and Deployment, using the Public Sector Solutions cloud...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 30, 2026  
Linux Engineer / Architect
Linux Engineer / Architect 6 Months Contract + with possible extension £550 a day inside IR35 London Based - 2 days in the office *Active SC Clearance is Needed* A well established IT Provider is looking for an experienced Linux Engineer / Architect with a proven track record of designing, building, and maintaining mission-critical enterprise platforms to join their IT Team on a 6 months contract. You will be at the heart of their infrastructure strategy, responsible for the high-end troubleshooting, security hardening, and automation of our global server estate. This is a role for a technical heavyweight who thrives on solving complex root-cause issues and enjoys the architectural challenge of ensuring 24/7 availability for high-traffic environments. Key Responsibilities Provide expert-level guidance to engineering teams and lead root-cause analysis on complex system-wide issues. Linux Engineering: Manage and optimise a large-scale estate across RedHat, Ubuntu, and...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 28, 2026  
Data Scientist
I am recruiting for a Data Scientist to work on a hybrid basis - 2-3 days in London, remaining time remote. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. This role will move into a permanent position after the 6 months so please only apply if this is suitable for you. I am recruiting for a Data Scientist / ML engineer with several years of experience. You will have experience of driving new data insights to uncover business opportunities & revenue streams, have a firm understanding of statistics and data visualisation for communication and also have an understanding of business growth areas & how to utilise important data. Experience of supporting data science projects in a consulting environment is essential for this role. You must have a number of years of experience participating in projects that focused on some of the following - Predictive Analytics, Data Design, Statistics, AI/ML or ML...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 26, 2026  
Fullstack Software Engineer (Agentic AI)
My client is seeking to recruit a Fullstack Software Engineer on an initial 12 month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services and consistently seek to iterate on and improve them Participate in code reviews, continuously improving personal standards as well as the wider team and product Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Apr 26, 2026  
SQL Engineer
SQL Engineer (Contract) Inside IR35 - Hybrid working (3 days onsite) Overview We are seeking an experienced SQL Engineer to support a large scale SQL Server and Windows Server migration programme. The role involves upgrading a significant estate from SQL Server 2016 and SQL Server 2019 to newer, supported versions. With multiple end of life deadlines approaching, this position is critical for ensuring stability, compliance, and long term platform resilience. The ideal candidate will have strong hands on experience delivering complex SQL upgrade and migration projects, excellent analytical skills, and the ability to work in a structured programme environment. Key Responsibilities * Lead and execute migration activities across a large SQL Server estate, moving from SQL 2016 & 2019 to SQL 2022 (with a roadmap toward SQL 2025 in future phases). * Assess, analyse, and document the existing SQL environment, including discovery of additional instances "in the background." * Work...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
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