We are looking for an IT Support Specialist AAA for one of our clients based in Luxembourg Experience as an IT Support AAA is mandatory Freelance or permanent contract via a payrolling company English fluent required Your Responsibilities Incident Resolution & Technical Analysis You will serve as the technical escalation point for 1st line support, with a strong focus on AAA systems while also supporting other critical services when required You will conduct in-depth investigations into incidents such as interface failures, queue congestions or reconciliation mismatches using logs, database traces and monitoring tools You will identify root causes related to application logic or configuration issues, ensuring a clear understanding of system behavior You will resolve incidents directly or coordinate fixes with relevant teams to restore services efficiently System Health & Stability Management You will perform regular system health checks, primarily on AAA systems while remaining involved in the stability of other critical platforms You will maintain and continuously improve existing runbooks, SOPs and recovery guides to support operational readiness You will recommend enhancements to system resilience, observability and mean time to repair (MTTR) Automation & Continuous Improvement You will propose and contribute to long-term solutions aimed at reducing ticket volumes and preventing recurring incidents You will take part in post-incident reviews and translate findings into clear, actionable improvement initiatives Reporting & Compliance You will ensure full compliance with internal policies, regulatory requirements and audit standards You will document all activities accurately in the service management tool You will support the production of operational KPIs and availability reports for management review Your Profile You are the holder of a Bachelor's degree in Computer Science, Information Technology, or an equivalent qualification. You are an IT support professional with at least 3 years of experience in second-line support, ideally in a private banking or wealth management environment. You are technically skilled, with knowledge that may include AAA architecture and components, application servers such as JBoss or WildFly, and core JVM concepts. You are comfortable working with databases, including writing queries, interpreting logs or alerts, and executing scripts. You are familiar with messaging technologies such as IBM MQ or similar platforms. You are knowledgeable in payment messaging standards and schemes, including SWIFT MT/MX, SEPA, and Instant Payments. You are experienced or confident with service management tools and structured ITIL processes such as Incident, Problem, Change, and Event Management. You are recognized for a strong analytical mindset and a structured approach to problem solving. You are able to remain calm, decisive, and effective in high-pressure situations, particularly during service outages. You are ownership-driven, reliable, and precise in the way you manage incidents and responsibilities. You are flexible and open to on-call duties, weekend work, and emergency interventions when required. Hays plc est l'un des principaux groupes mondiaux de recrutement de professionnels. Hays est l'expert du recrutement de personnes qualifiées, professionnelles et compétentes dans le monde entier. Hays est le leader du marché au Royaume-Uni et en Asie-Pacifique et également l'un des leaders du marché en Europe continentale et en Amérique latine. Hays intervient pour le compte de milliers d’entreprises des secteurs privé et public, sur des postes en CDI, CDD, Travail Temporaire et Contracting. Hays France & Luxembourg compte aujourd’hui plus de 650 salariés répartis au sein de 22 bureaux (Aix-en-Provence, Amiens, Biarritz, Bordeaux, Clermont-Ferrand, Dijon, Grenoble, La Rochelle, Lille, Lyon, Montpellier, Nancy, Nantes, Nice, Paris, Reims, Rennes, Rouen, Strasbourg, Toulouse, Tours et au Luxembourg) couvrant 25 secteurs d’activité.