Location: Belfast, 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. Our Opportunity As Production Activity Manager, you will report into the Site Manager and ensure industrial activities to achieve schedule adherence within cost parameters established in the operating plan/budget, whilst achieving a quality standard that will meet or exceed the customer’s specifications in a safe and secure environment. Location: Crossgar Key Responsibilities and Tasks: To achieve the Master Production Schedule (contained within the ERP) for all Production and support activities within the cell....

Location: Belfast, 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. Electronics Support Engineer Belfast - Hybrid Who We Are Thales Integrated Airspace-protection Systems (IAS) UK designs and manufactures a range of cutting-edge technologies ranging from air surveillance and mission planning systems to missiles. The company specialises in lightweight missiles and the integration of weapon systems into various platforms along with the systems to manage and exploit critical mission planning and air surveillance data. Belfast is also home to the Thales’s global Space Electric Propulsion...

Location: Belfast, 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. Senior Mechanical Engineer The Role We are seeking an experienced a Senior Mechanical Design Engineer who has a proven ability to apply engineering first principles and knowledge to new & existing products within the IAS portfolio. Working as part of a large Mechanical Design team, the Senior mechanical design engineer collaborates with local teams and multiple stakeholders to produce detailed Mechanical designs and support to a range of Weapon System, Missile and Platform products to satisfy customer...

Location: Belfast, 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. The Role We are seeking an experienced a Senior Mechanical Design Engineer who has a proven ability to apply engineering first principles and knowledge to new & existing products within the IAS portfolio. Working as part of a large Mechanical Design team, the Senior Mechanical Design Engineer collaborates with local teams and multiple stakeholders to produce detailed Mechanical designs and support to a range of Weapon System, Missile and Platform products to satisfy customer requirements.  As we enter a period of...

Location: Belfast, 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. Job title: Activity Manager Location : Belfast Reports to APRU (Autonomous Production Repair Unit) Manager Type: Permanent (You will work a 4 day week on site; Mon – Thurs) Main duties and responsibilities include: Guarantees the performance of their team in terms of Costs, Quality, Deadlines in compliance with the proper application of business standards and Safety and HSE standards, Ensures the functional management of the entire ecosystem within their scope. Animates their teams, develops their skills to...

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 . We are seeking a technically hands-on Application Support Manager to lead and actively participate in the production support function for Citi's Instant Payments application. This role requires a leader capable of directly managing, troubleshooting, and developing a technical support team, ensuring the...

Location: Belfast, 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. Thales people architect solutions that are relied upon to deliver operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defensive systems for land, sea, and air. From early warning, to threat neutralisation, our platforms cover all levels from very short-range systems, to extended protection across the entire battle-space including Airspace Mobility Solutions, Vehicles and Tactical Systems and Missile Defence, Optronics, and Radar....

Location: Belfast, 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. Principal Electronics Engineer Belfast – Hybrid Who We Are Thales Integrated Airspace-protection Systems (IAS) UK designs and manufactures a range of cutting-edge technologies ranging from air surveillance and mission planning systems to missiles. The company specialises in lightweight missiles and the integration of weapon systems into various platforms along with the systems to manage and exploit critical mission planning and air surveillance data. Belfast is also home to the Thales’s global Space Electric...

Location: Belfast, 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. Thales currently have an opportunity for a Service Delivery Manager (SDM), based out of our Belfast site. Service Delivery Managers are responsible for managing and delivery of Service-related Programmes and work packages into key customers. These services range from providing Software and Hardware upgrades to Customers, providing Spares and Repairs, to the provision of an overarching support capability. The SDM plays a vital role in developing the business as a long-term progressive service provider, building strong...

Location: Belfast, 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. We are looking for a Structures Engineer to join our Integrated Airspace Protection Systems (IAS) team in the heart of Belfast. About Us Our main purpose is to protect and defend. We provide rapid integrated solutions for detection, coordination, fire control, engagement and support. We cover three sectors: Surface Attack & Air Defence (UK), Air Defence (International) and Air Operations & Services as well as Space. You’ll play a key role in the hardware development of cutting‑edge weapons integration systems...

We are seeking a Network Operations Centre (NOC) Engineer to join our 24/7 Technology Operations Command Centre operation based at Hill View House, Newtownabbey. This is a hands-on, shift-based role operating in a fast-paced, high-visibility environment, responsible for the monitoring, diagnosis, and resolution of network incidents across a diverse, mission-critical customer estate. Working Pattern 24/7 shift-based role (days and nights) Typical pattern: 4 on / 4 off Day shifts: 07:00–19:00 Night shifts: 19:00–07:00 Job title: Network Operations Centre Engineer Job Description: What we are looking for: Practical experience in troubleshooting across routing and switching technologies. Experience working as a Network Engineer in an enterprise or service provider environment is desirable Ideally an understanding of networking fundamentals including TCP/IP, DNS, LAN/WAN, VLANs, and routing protocols (e.g. BGP, OSPF). Desirable to have experience supporting...

Join our Service Operations team at Hillview House Newtownabbey as a Shift Lead and play a key role in delivering exceptional customer experience, strong operational governance, and high performing service delivery across a 24/7 environment. Job title: Network Operations Centre Shift Lead Job Description: We’re looking for a confident service leader who can guide a team, manage stakeholders, and maintain service stability during fast‑paced operational activity and major incidents. What We’re Looking For Experience leading service-focused technical or operational teams. Strong stakeholder management and escalation handling skills. Ability to balance major incident leadership with BAU service oversight. Excellent written and verbal communication with a customer-first mindset. Strong understanding of ITIL environments and SLA-driven service delivery. High attention to detail and ability to stay calm under pressure. Eligible for Security Clearance (SC...

Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in analysis, application development, problem solving and communication to Source to Pay Solutions Technology group. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Source to Pay Solutions Technology group is part of COO (Citi Operating Office) Technology organization supporting Citi Operating Office business function and its enterprise‑wide transformation agenda to achieve improvements across risk management, controls, data governance, AI adoption, and process re‑engineering by delivering scalable, secure, and modern technology solutions. Based in Belfast, the team partners closely with businesses and technology stakeholders to build, manage, and modernize multiple Source...

Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in analysis, application development, problem solving and communication to the Source to Pay Solutions Technology group. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth Team/Role Overview Source to Pay Solutions Technology group is part of COO (Citi Operating Office) Technology organization supporting Citi Operating Office business function and its enterprise‑wide transformation agenda to achieve improvements across risk management, controls, data governance, AI adoption, and process re‑engineering by delivering scalable, secure, and modern technology solutions. Based in Belfast, the team partners closely with businesses and technology stakeholders to build, manage, and modernize multiple Source to Pay...

Team/ Role Overview  Dive into global finance with Citi's Markets Operations team. We're the essential link, ensuring smooth, efficient processing of trades from start to finish. You'll collaborate daily with traders, tech teams, clients, and global partners, actively applying your understanding to contribute significantly to trade lifecycle management, maintaining strong controls, and delivering excellent client service. You’ll further hone your skills and deepen your insights alongside seasoned professionals. This dynamic role offers broad exposure to Citi's markets business and a clear path for career growth. Leverage your core strengths and transferable skills to make a tangible impact and advance your future in finance. While we are continuously recruiting, this advertisement serves as a general requisition to build our talent pool for ongoing and future opportunities should a suitable immediate role not be available. Please note, if you already have an active...

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...

Citi Belfast is one of the largest employers in Northern Ireland with a diverse and talented team of over 4000 people from over 68 different nationalities across our four Belfast offices. We are the only global investment bank operating in Northern Ireland. Every day, our local experts interact with global teams in over 100 countries developing and supporting next-generation technology solutions for the enterprise and delivering critical services to the bank and its customers, to make sure we are a stronger and safer organization for our clients. You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast’s iconic Titanic Quarter. The successful candidate will lead key strategic initiatives in support of enterprise strategy and resilience, ensuring Citi's critical business services maintain operational resilience in alignment with regulatory requirements and business objectives. Driving strategic vision,...

Are you looking for a career move that will put you at the heart of a global financial institution — and at the forefront of the AI revolution in financial services? Then bring your skills in   AI-driven automation, intelligent process design, and data science   to Citi's Markets Shared Controls Group (SCG).   By joining Citi, you will become part of a global   organisation   whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.     T eam/Role Overview   The Shared Controls Group (SCG) exists to support the Markets business globally through the efficient execution of controls and processes that are common across region, product, and risk category. This role sits at the intersection of   artificial intelligence and operational excellence   — you will   be responsible for   identifying , designing, and delivering...

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...

Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in analysis, problem solving and communication to Citi Belfast Markets Operations. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/ Role Overview  Dive into global finance with Citi's Markets Operations team. We're the essential link, ensuring smooth, efficient processing of trades from start to finish. You'll collaborate daily with traders, tech teams, clients, and global partners, supporting critical roles in trade lifecycle management, maintaining strong controls, and delivering excellent client service. You’ll gain hands-on experience and learn from seasoned professionals. This dynamic role offers broad exposure to Citi's markets business and a clear path for career growth....