28 jobs found in Radlett

Endpoint Engineer (Contract) Location: Hemel Hempstead (Onsite) Rate: £600-£700 per day (Inside IR35) Clearance: MOD DV required Role Overview Lead the day-to-day technical operations of the Windows/Endpoint team, providing subject matter expertise across endpoint security and infrastructure. The role combines hands-on engineering, team leadership, and strategic input to support operational delivery within a secure, enterprise environment. Key Responsibilities Lead and mentor a team of engineers, developing SME capability and aligning skills with digital strategy Support project delivery: solution design, estimation, implementation, and technical validation Manage and respond to incidents in line with SLAs, including escalation where required Collaborate with architects and designers to recommend and validate technical solutions Contribute to pre-sales activities and cost/effort estimation Maintain accurate documentation (operational procedures, user guides, project...

SAP Payroll & Time SME Rate: £272 - £470 per day Contract: 1 Year IR35: Inside IR35 Role Overview We are seeking a senior SAP Payroll & Time Lead to support a large‑scale ECC to S/4HANA (H4S4) technical migration programme. This role will take end‑to‑end ownership of the Payroll and Time workstream, leading functional design, migration assurance, and deployment activities in line with the overall programme objectives. This is a senior, client‑facing leadership role requiring deep functional expertise in SAP Payroll and Time, hands‑on migration experience, and the ability to engage and influence senior stakeholders within a complex delivery environment. Key Responsibilities Lead the Payroll and Time workstream across the full migration lifecycle, including design, build, testing, cutover, and hypercare Act as the primary functional Subject Matter Expert for Payroll and Time, providing best‑practice guidance for S/4HANA Drive impact assessments and solution design for...

Scala Developer 3 months Fully remote working £450-£500 (Inside IR35) We are seeking a skilled Scala Developer to join our team and contribute to a crucial public sector project. As a developer, you will play an integral role in creating, deploying, and maintaining scalable applications using Scala and AWS technologies. Key Responsibilities: - Design, develop, and maintain functionality in our applications using Scala and AWS. - Collaborate with cross-functional teams to define, design, and deliver new features. - Participate in code reviews and ensure adherence to best practises. - Work with data engineers and other developers to integrate and optimise systems. - Troubleshoot and resolve issues, optimise performance, and ensure reliability and scalability. Required Skills: - Proven experience with Scala development in a professional setting. - Familiarity with AWS services and cloud architecture. - Strong understanding of software design principles and best practises. -...

Job Title: Security Architect Location: Remote Duration: 6 Months Rate: £515/day (Inside IR35) Clearance: Eligible for BPSS Role Overview We are seeking an experienced Security Architect to define, govern, and assure enterprise-wide cyber security architecture across IT, cloud, OT, and emerging technology domains. Acting as a strategic design authority, you will align security architecture with business objectives, cyber strategy, and enterprise architecture principles. This is a strategic, non-operational role focused on influencing design, setting direction, and providing architectural guidance rather than hands-on delivery or BAU security operations. Key Responsibilities Security Strategy & Advisory Shape and evolve cyber security strategy and domain-specific sub-strategies (e.g. AI, identity, OT security, micro-segmentation) Provide expert guidance to programmes and stakeholders on security and technology decisions Contribute to governance forums, including AI and...

Security Engineer - Strata Cloud Manager, Palo Alto, Prisma Up to £750 per day (Inside IR35) Remote 6 months My client is seeking a hands‑on Security Engineer with deep expertise in Palo Alto Networks technologies, particularly around Prisma Access and Strata Cloud Manager, as well as ideally having working knowledge of Zscaler. You will play a key role in designing, implementing, and enhancing secure network infrastructure across a large, complex enterprise environment. Key Requirements: Proven experience as a Security Engineer within large, Enterobacteriales environments. Strong Palo Alto Networks experience - Prisma Access is essential, with solid hands‑on expertise in Strata Cloud Manager. Experience migrating from Zscaler Experience building or tuning policy‑based security controls (DLP, URL filtering, decryption, etc.). Skilled in Palo Alto VM‑Series and related PAN security products. Exposure to IAM/PAM/PIM concepts. Nice to have: Knowledge of firewalling, VPN,...

Software Engineer - Java 21, Springboot Up to £550 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservices programme. All candidates must be eligible for Security Clearance (SC) Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Strong experience building scalable backend and RESTful services using Java (Spring Boot) Ideally Java v21 (or very recent versions) Postgres (or other relational SQL databases) with a solid understanding of schema design and SQL Docker: confident containerising and deploying applications Test‑Driven Development (JUnit, Mockito, or similar testing frameworks) CI/CD: hands‑on experience with Jenkins or similar automated pipeline tooling Comfortable working in agile teams and collaborating closely with engineers...

Cyber Solution Architect (Digital Platforms & Trading Systems) 8-Month contract - Inside IR35 - market rate London based - hybrid working - 3 days a week onsite Must have Base Metals trading experience Role Overview We are looking for a hands-on, highly technical Cyber Solution Architect to design and deliver secure solutions across our digital platform ecosystem, with a strong focus on Base Metals Order Execution Management Systems (OEMS). This role requires deep technical expertise, practical implementation capability, and the ability to embed security into complex, low-latency trading environments. Key Responsibilities Design and implement secure, scalable cyber solutions for digital platforms, including OEMS and associated trading infrastructure. Act as a hands-on architect, contributing directly to solution design, engineering decisions, and security implementation. Develop and maintain security architecture patterns, reference models, and solution blueprints. Lead...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Market Risk QA Lead - Tester Location: London - hybrid - 2/3 days in office Contract: 6-month contract Rate: £600 - £650 Inside IR35 Purpose of Job We are seeking a detail-oriented and experienced AVP-level Market Risk QA to carry out functional testing, regression testing, and other related testing, governance, and quality assurance across Market Risk technology platforms and regulatory change initiatives. The ideal candidate will bring strong experience in banking or financial services testing, with a solid understanding of market risk systems, data flows, and...

Solution Architect - Government Aligned Frameworks Up to £690 per day - Inside IR35 London / Remote 6 months My client is an instantly recognisable consultancy who require a Solution Architect with Financial Services & Banking domain experience and expert knowledge of Government Aligned Frameworks for a business critical programme. Key Requirements: Proven commercial experience working as a Solution Architect within the Banking & Financial Services domain Strong experience with government‑aligned frameworks i.e. Open Banking, CMA, PSD2, (url removed) standards. Proven delivery with 3rd‑party vendors across Product Accounting, Risk Engines, Financial Crime, and Core Banking platforms. Expert in microservices, APIs, and integration patterns, including Payment Initiation Services across BACS, SEPA, Faster Payments, etc. Broad expertise in general account and infrastructure technologies such as legacy DC and cloud i.e. compute, networking, storage, databases, HA/DR, IAM...

Enterprise Architect / Service Design Specialist Contract: 12 months | IR35: Inside IR35 Location: London or Gloucester My client, a leading technology company ,is looking for an experienced Enterprise Architect / Service Design Specialist to support a high‑profile defence programme. Key Responsibilities Deliver enterprise architecture and service design for complex, secure environments Produce production‑ready HLD and LLD architecture artefacts Lead workshops and design activities, shaping end‑to‑end digital services Model architectures and services using Sparx Enterprise Architect Apply user research and data to improve service journeys and outcomes Support security assurance, risk and accreditation activities Mentor and support other architects and service designersEssential Skills & Experience Proven Enterprise Architect experience in complex organisations Experience in Defence sector DV cleared Strong TOGAF expertise Hands‑on with Sparx EA Strong modelling skills:...

Senior FullStack Developer Duration: 4 months Location: Remote £450 per day Inside IR35 - Umbrella only Active SC clearance or eligibility to obtain it Our client is seeking an experienced Senior Cloud FullStack Developer to join their dynamic team on a remote basis. This is an exciting opportunity to work on innovative projects within a collaborative environment. Required Skills: Deep hands-on experience with Java and Spring Boot (Web Services, Spring Security, etc.) Strong knowledge of PostgreSQL (Postgres) - including schema design and query optimization Solid understanding of object-oriented programming principles and design Patterns Familiarity with front-end development and integration using HTML and JavaScript Experience with Jenkins and modern CI/CD practices Proficiency in AWS services and infrastructure-as-code using Terraform Strong experience with GitHub for version control and automated workflows (e.g., GitHub Actions) Working knowledge of Docker for...

Senior Software Engineer - Golang Information Security £650 per day - Inside IR35 3 days per week on-site, 2 days WFH 3 Month rolling contract up to 2 years Job Summary The Information Security team is responsible for developing services to find and mitigate security risks faced. We are seeking an extraordinary Software Engineer who is passionate about security and can thrive in a fast-paced environment where both individual drive and team collaboration are the keys to success. As part of the Information Security team, you'll be at the forefront of developing cutting-edge services to identify and mitigate security risks. This is a technical hands-on role that is focused on security across all of the organisation. You'll be working to identify problems, establish a vision for how to address those problems, and unite the relevant owners within the business on achieving that vision. Description In this role you will architect and develop distributed and scalable services...

iOS Developer Location: Remote, with some travel to London Duration: 12 months Inside IR35 - umbrella only Our client, a reputable organisation, is hiring for a talented iOS Developer to join a dynamic team on a fixed-term basis. This is an exciting opportunity to work remotely with occasional travel to London, contributing to innovative iOS applications that make a real impact. What you'll be doing: Developing and maintaining iOS applications using Swift and/or Objective-C Collaborating closely with Product, Design, Backend, QA, and DevOps teams to deliver new features and enhancements Troubleshooting and resolving issues to ensure optimal app performance, security, and quality Participating in code reviews, architecture discussions, and staying updated with the latest iOS technologies and Apple guidelines Managing your workload independently while maintaining clear communication with team membersWhat you'll bring: Proven experience in building and maintaining iOS...

Application Support Analyst - 6 months - Inside IR35 - London - Hybrid My client a leading global bank is looking for an experienced Application Support Analyst to support Front, Middle and Back Office applications in a production-critical environment. The role involves investigating incidents, performing root cause analysis, and resolving application and data issues in collaboration with development and infrastructure teams. Responsibilities Support production applications across FO / MO / BO Investigate and resolve incidents using SQL and PL/SQL Write, maintain and simplify Oracle PL/SQL scripts Analyse complex queries, tables and datasets Support releases, deployments and production stability Participate in on-call / occasional weekend supportSkills & Experience Strong application production support experience C#, ASP.NET, .NET experience Strong Oracle, PL/SQL and SQL skills Experience working with complex, data heavy systems Good communication and problem‑solving...

Location: London (Hybrid) Day Rate: £800-£850 per day (Inside IR35 Umbrella assignment rate) Role Overview Our client is undertaking a significant European growth and market expansion programme. We are seeking an experienced Interim Project Manager to support the Programme Manager in delivering key projects that enable this strategy across agreed European locations. This is a hands‑on delivery role requiring strong London Market experience, with exposure to international expansion, regulatory change, and cross‑border operating model delivery. Key Responsibilities Support the Programme Manager in delivering workstreams aligned to the European growth strategy Own end‑to‑end project delivery across multiple concurrent initiatives Define and manage project scope, objectives, milestones, dependencies and success metrics Create and maintain robust project and programme plans Manage resource allocation across the portfolio, proactively addressing capacity constraints Lead budget...

ServiceNow Customer Experience (UX) Lead - ITSM Start - 5th of May 2026 Up to six month contract £600 pay per day - paid via an umbrella - Inside IR35Stevenage in Hertfordshire - three days per week essential Essential: Strong experience working with ServiceNow ITSM (in design, product ownership, consultancy, or leadership roles). Deep understanding of ITSM processes (ITIL-aligned) and how users interact with them. Proven experience in customer experience design, service design, or UX within IT environments. Ability to translate customer needs into practical platform solutions. Strong stakeholder management skills up to senior leadership level. Experience working in Agile / product‑based delivery models. A pragmatic, can-do, hands-on style. Role Summary The ServiceNow Customer Experience (UX) Lead - ITSM is responsible for shaping, governing, and continuously improving the end‑to‑end customer and user experience across IT Service Management services delivered...

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...

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...

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...

Contract C# Software Engineer Near Wimbledon   6-month contract Software Engineer role developing C# Windows applications that interface with hardware.  This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer skills required - Good analytical skills and experience of code and design review for large projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# Interfacing with hardware/physical products .NET environment, Windows Forms, TCP/IP & UDP protocols  Please apply or call for more information