Location: Manor Royal Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Real-Time and Embedded Software Engineer Crawley (Minimum 3 days onsite) Our Opportunity: At Thales Secure Information and Communication Systems (SIX), we have an exciting opportunity and are looking to recruit an experienced Real-Time and Embedded Software Engineer with a focus on our radio products. Here you will play a crucial role in the development of innovative embedded software solutions. You will collaborate with the technical leadership to design, implement, and support high-quality...

AI Solution Architect - Senior Manager/Associate Director Capital Markets Location: Manchester Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13119 Senior AI Solution Architects are required to support the design, implementation and scaling of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI, cloud and data architecture, with experience designing enterprise AI solutions and translating business requirements into scalable technical architectures. You will play a key role in shaping AI architecture strategy, leading technical teams and supporting organisations as they move from strategy and experimentation through to enterprise deployment. You will work closely with AI Engineers, Data Scientists, Enterprise Architects, MLOps teams, business stakeholders and senior leadership to design, deliver and scale AI solutions...

Location: Wells, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. This role lies within part of General Sonar Studies (GSS). The primary responsibilities of members is to work collaboratively to understand, plan, prepare, commission, execute, assure and in some cases analyse safe and efficient RCS measurement activity in support of customer (MOD/industry) needs.  Each role within the team contributes specialist skills and experience to the operating model. Key Responsibilities Liaising with customers both directly and within meetings, to properly identify target measurement requirements...

AI Solution Architect - Senior Manager/Associate Director Capital Markets Location: London Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13117 Senior AI Solution Architects are required to support the design, implementation and scaling of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI, cloud and data architecture, with experience designing enterprise AI solutions and translating business requirements into scalable technical architectures. You will play a key role in shaping AI architecture strategy, leading technical teams and supporting organisations as they move from strategy and experimentation through to enterprise deployment. You will work closely with AI Engineers, Data Scientists, Enterprise Architects, MLOps teams, business stakeholders and senior leadership to design, deliver and scale AI solutions that...

AI Solution Architect - Senior Manager/Associate Director Capital Markets Location: Edinburgh Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13118 Senior AI Solution Architects are required to support the design, implementation and scaling of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI, cloud and data architecture, with experience designing enterprise AI solutions and translating business requirements into scalable technical architectures. You will play a key role in shaping AI architecture strategy, leading technical teams and supporting organisations as they move from strategy and experimentation through to enterprise deployment. You will work closely with AI Engineers, Data Scientists, Enterprise Architects, MLOps teams, business stakeholders and senior leadership to design, deliver and scale AI solutions that...

We're partnering with a leading industrial service organisations to recruit a 2nd Line IT Technical Support Engineer as part of a significant IT transformation programme. The Opportunity You'll join a growing internal IT team supporting multiple sites across Scotland and Northern England. Working closely with the Scottish IT Manager and wider UK technology leadership team, you'll provide a mixture of operational support, infrastructure troubleshooting and project delivery. This is an excellent opportunity for someone who enjoys variety, autonomy and the chance to contribute to a business modernising its technology estate. You'll also collaborate with colleagues across the globe as part of a global support model and gain exposure to wider transformation initiatives planned across the group. Key Responsibilities Provide 2nd line support across multiple UK locations Troubleshoot and resolve hardware, software, network and user issues Support Microsoft 365, Active...

Rail Systems Design Integration Lead Role Department: Engineering/Design Reports to: Design Integration and Technical Assurance Manager Management Responsibility: RAM Manager, System Safety Lead, Interoperability Lead, Electrical Engineering (EMC and E&B), functional management of integration lead for Standard track, Resilient track and Calvert IMD Project Overview: The Ferrovial BAM Joint Venture has a successful history of delivering critical infrastructure for the UK on time and to budget together in joint venture partnership. They first worked together in 2010 as BFK, delivering three Crossrail contracts, including the longest stretch of tunnelling works between Royal Oak and Farringdon and Farringdon Station, the first central station to be completed on the Elizabeth Line. The team is also delivering the Silvertown Tunnel project together in East London and has been delivering excellence at each stage of HS2, such as Fusion JV for the Enabling Works...

DV Cleared Infrastructure Tester - 6 months+ extensions, 500- 600pd DOE - Full time on site (Hampshire) Looking for a High Level clearance/ DV Cleared Tester with good knowledge of Windows and Linux operating systems, together with the experience of working within a multi-disciplined engineering team. You will leverage your knowledge of integration frameworks to support the continuous integration, deployment, and testing of new features across complex environments. Hands on experience in infrastructure engineering, including the testing, deployment, and maintenance of robust, scalable systems. Direct experience testing and integrating any of the following: Identity and access management (IDAM) systems including role based access control (RBAC) Public key infrastructure (PKI) Server monitoring, audit and patch deployment Key Duties and Responsibilities Running manual tests using the project approved tools. Interpretation of test results and preliminary investigation...

Lead Python Software Engineer - Hybrid from Leatherhead or London - Circa 650 per day Inside ir35 - 12 months Please note: Due to the nature of the project, successful applicants will be required to be SC cleared prior to appointment. Mandatory requirements: At least 7 years of experience using Python for OOP and functional programming Experience of leading software development teams and mentoring of junior members Experience of unit, integration and end to end testing with a delivering 'quality' mindset Experience creating designs and documentation Experience of working with data processing pipelines Working knowledge of DevOps and Cloud/virtualisation Platforms A passion for learning new technologies and innovation Excellent interpersonal skills Desirable: Experience of working on AWS Experience of working with Elastic and Kibana Containerisation experience such as Docker, Kubernetes or OpenShift Experience of security protocols such as PKI, TLS etc...

Senior Document Controller We are seeking an experienced Senior Document Controller with a proven track record in managing and maintaining document control processes. The ideal candidate will have experience in document control, be highly skilled in Electronic Document Management Systems (EDMS), and possess excellent communication and organisational abilities. Key Responsibilities: Maintain and update project documentation in compliance with company standards. Ensure accurate filing, retrieval, and distribution of documents across teams. Monitor document workflows and approvals within EDMS systems. Act as the primary point of contact for EDMS-related queries. Configure and manage document control settings in Asite and other platforms. Train and mentor new starters on document control processes and EDMS systems. Provide ongoing support to project teams on document management best practices. Ensure all documentation meets regulatory and project requirements....

Purpose of the role: We are seeking an experienced DevOps Engineer to design, implement, and manage automated CI/CD pipelines within our cloud and Salesforce ecosystems. You will own build and deployment workflows in Azure DevOps, drive environment stability and release governance, and partner closely with Salesforce, MuleSoft, QA, and Operations. You will be responsible for ensuring seamless software delivery through high-quality automation and robust deployment strategies. Job title: Senior DevOps Engineer (DSA BAU) Job Description: *CANDIDATES MUST BE ELIGIBLE FOR SC CLEARANCE* What you'll be doing: CI/CD Pipeline Management:  Design, configure, and maintain end-to-end automated pipelines using Azure DevOps for both standard applications and Salesforce-specific workflows. (Repos, Pipelines, Artifacts) for Salesforce and MuleSoft components; define branching, versioning, and release workflows. Salesforce Deployments:  Lead release management...

Role Description The Solutions Architect is responsible for consulting with clients and ensuring high quality designs that are practical, deliverable and maintain the integrity of FNZ’s products and services that help clients meet their business objectives Specific Role Responsibilities Main Tasks: Contribute towards business requirements and ensure the underlying business problem is understood throughout FNZ  Production of technical and/or functional designs that fulfil the requirements, are commercially viable and technically achievable  Participation throughout the software development lifecycle to ensure the project stays true to the design vision and the client’s needs, and that the design is responsive to the challenges encountered during build Maintain the functional integrity of the primary areas of their delivery team Act as subject matter expert for nominated areas of their delivery team. Responsibilities: Requirements Engineering...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech .                 Our Production Management team provides critical business and technical support to the Services, Markets, Banking and Functions Client Group (SMBF) ; working collaboratively to ensure that our platforms and services operate for our clients, whenever they need them. We act as highly...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview The Commodities trading business at Citi has grown significantly in the last 10 years to become one of the leading industry players. It is a federated business model that covers market-making across all types of assets including Oil, Gas, Power, Agriculture, Emissions, Metals, Freight, Exotics and Indices. This role is within the London Commodities Risk Technology team, focussing on our front-office trading platform. This proprietary trading platform is currently going through an exciting re-engineering phase and we are seeking to build out the development team. This front-office risk system calculates large volumes of results data, so there are considerable challenges...

FX Client & Sales Technology - Senior Software Engineer (SVP) The STIRT Engineering Lead is a  London-based Senior Vice President  responsible for the  hands-on design, architecture, and implementation  of the full front-to-back technology platform supporting the STIRT business. This role sits at the intersection of engineering excellence and business partnership, requiring deep engagement with traders, quants, and stakeholders across FX and Rates desks. The role demands a  technically deep, hands-on engineering leader  with strong expertise in capital markets systems, responsible for driving the strategic evolution of STIRT technology — spanning curve construction, RFQ and pricing workflows (for FX and Interest Rate Derivatives) — while managing a globally distributed engineering team. The successful candidate will own the end-to-end technology vision for STIRT, eliminating fragmentation across trading units and delivering a modern, high-performance, resilient platform...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi is seeking a highly motivated and curious full-stack engineer work embedded within the Systematic & Credit Portfolio Trading business and build out a first-class ecosystem of trading tools . This role offers a unique opportunity for in-person collaboration with traders, quants, and product...

Team Overview XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Our team owns multiple Java Spring Boot Services that execute, partition, and track quantitative risk graphs/trades in a distributed environment. These graphs can fail due to their complexity and our system must adapt quickly to these failures to provide a seamless experience for clients.  XiP Compute Services are deployed onto OpenShift and Amazon’s Elastic Kubernetes Service (EKS). An important initiative in 2025 will be onboarding Google’s Kubernetes Engine to further expand our coverage. Our system scales on-demand, and we can run up to tens of thousands of replicas of our services across all asset classes.  Role Overview We are seeking a Senior Engineer to fill the role of ‘Applications Development Technology Lead Analyst’ on the...

We are looking for a Java Technical Lead with proven experience building robust, high-performance, large scale Capital Markets applications. Team Background The Derivatives Credit Risk Technology Team is responsible for delivering Counterparty Credit Risk Management software solutions to Citi’s Risk organization which manages Citi’s exposure to financial institutions, governments and corporates that trade with Citi. The team builds and maintains software used to compute metrics that help mitigate Citi’s exposure to counterparty default. The solutions include consumption of trades, collateral, market data, counterparty and security reference data from over 50 sources, and the computation of optimal margin allocation for portfolios and trades, haircut for security and cash collateral, trade and collateral liquidity, collateral concentration levels and wrong way risk, amongst others that feed into the computation of Pre-Settlement Risk (PSE), Settlement Risk, Exposure at Default...

Join Citi's XVA Technology team in London as a Lead Software Engineer at Vice President level, and take on a role at the intersection of advanced software engineering and AI-driven innovation — at a firm where your code, your decisions, and your ideas operate at global scale. This role is built for a hands-on engineer with deep AI and software development expertise who can independently set and drive a technical agenda — building production systems, embedding intelligent tooling, and owning project outcomes across a complex, high-impact domain. You will work alongside high-calibre engineers and engaged business partners to architect, build, and deliver solutions that redefine how XVA risk is calculated and managed globally. Responsibilities Design, build, and maintain scalable, high-performance software solutions for XVA risk systems, writing and reviewing production-quality code while ensuring alignment with enterprise architecture standards. Build and integrate AI and...

C# Developer - Equity Derivatives Technology Risk (AVP) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.  What We do / The Team  Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology...