Nexeo Belgium is looking for a Senior SWIFT System Administrator to join the National Bank of Belgium – a key institution ensuring the stability of the Belgian and European financial system. As part of the SWIFT Competence Center, you will: Oversee and manage the Bank’s SWIFT infrastructure in collaboration with end-users Ensure full compliance with SWIFT CSP (Customer Security Programme) and industry best practices Monitor SWIFT message flows and resolve transmission failures Analyze incidents and proactively propose improvements Optimize procedures and automation scripts to enhance system reliability Provide expert support and guidance to internal stakeholders Participate in a 24/7 on-call rotation for critical SWIFT operations Your profile: Bachelor’s or Master’s degree in IT or a related field Minimum 5 years of hands-on experience with SWIFT infrastructures Strong knowledge of SWIFT components: SAA, SAG, SNL, HSM, SWP Familiarity with SWIFT message formats: FIN, MX, FileAct Proficient in Linux systems and basic networking (firewalls, ports, certificates) Excellent troubleshooting and log analysis skills (SWIFT logs, syslog) Fluent in English and/or French/Dutch Strong problem-solving mindset and sense of responsibility Communicative team player with a results-driven approach We offer: A strategic role within a high-security financial environment A long-term mission with high-impact responsibility A collaborative and expert-driven consulting culture Competitive daily rate and flexibility through hybrid work Ready to secure the backbone of the financial system? Apply now and join Nexeo Belgium. SWIFT SystemAdministrator FinancialSecurity Linux InfrastructureJobs Consulting NexeoBelgium BankingIT Cybersecurity SWIFTCSP TechInFinance