Location: BELFAST ARNOTT HOUSE, 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. Title: Cybersecurity Engineer, Enterprise Services Base location: Belfast, Northern Ireland (Hybrid) Special Position Requirements Operational Schedule : Participation in a rotating on-call roster, requiring occasional paid weekend and holiday shifts (averaging once per month). Thales Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billions of digital interactions they have with...

Location: BELFAST ARNOTT HOUSE, 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. Title: Senior Cybersecurity Engineer, Enterprise Services Base location: Belfast, Northern Ireland (Hybrid) Special Position Requirements Operational Schedule : Participation in a rotating on-call roster, requiring occasional paid weekend and holiday shifts (averaging once per month). Thales Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billions of digital interactions they have...

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:  Sales Director – IAS UK (SC NATO/5 Eyes Only)  Location: Belfast, with frequent UK and International travel  Are you seeking a highly strategic sales leadership role that will spearhead the continued growth of our Integrated Airspace-protection Systems business across UK and key International Export markets?  As the Sales Director Integrated Airspace-protection Systems UK (IAS UK), you will play a pivotal role in developing the 5-year strategic business and multi-year business plans   that help to shape...

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...

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 .                                                                                               The Prime Finance support group provides technical and business support for Citi’s Prime Finance Application stack, encompassing Prime brokerage and Securities Lending business streams.  The applications are...

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 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....

This is a senior role in Business Execution within the Equities Technology organization, acting as a strategic partner to Technology leadership to drive execution, financial discipline, and organizational effectiveness. This role combines COO, Chief of Staff, and business management responsibilities, ensuring the organization operates with clarity, efficiency, and strong governance. Equities Technology at Citi is in a period of significant growth and undertaking a 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 estate to deliver world-leading performance, resiliency, and scalability, while enabling advanced execution capabilities, enhanced global market connectivity, and modernized post-trade, clearing, and margin processes. Business Execution is central to the success of this transformation. This role ensures delivery is executed with discipline,...

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. The User Experience Lead Analyst is a senior level role significantly contributing to the research, analysis, and design of digital products and systems. User Experience partners with Product and Technology colleagues to create innovative and intuitive digital products that deliver best-in-class user...

Role Overview Citi's Markets Operations group provides a full suite of strategic advisory and financing products to multinational and local corporations, financial and public sector institutions, governments, privately held businesses, and many of the world's most successful and influential individuals and families in more than 160 countries and jurisdictions. We provide world-class financial products and services as diverse as the needs of the thousands of corporations, institutions, governments and investors we serve. With trading floors in more than 80 countries, we work to enrich the relationships, products and technology that define our market-making presence. The breadth, depth and strength of our sales and trading, distribution and research capabilities span a broad range of asset classes, currencies, sectors and products — including equities, commodities, credit, futures, foreign exchange (FX), emerging markets, G10 rates, municipals, prime finance and securitized...

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. The Finance Desk (FD) support group provides technical and business support for Citi’s global Finance Desk.  Support teams are located in multiple regions; Belfast, Sydney  India and Mississauga. The ‘Finance Desk Application Suite’ application hosts web based components and Informational business...

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...