M365 SME

Define target-state architecture for FIS IST across ATM, POS, and digital payment channels * Establish high availability, active-active, and disaster recovery designs * Lead architecture blueprints covering transaction routing, authorization, clearing, and settlement flows * 10+ years in payment switching with deep expertise in FIS IST platform * Proven experience in enterprise-scale switch architecture and transformation programs * Strong command over ISO 8583, transaction lifecycle, and routing logic * Expertise in: * Distributed systems and microservices architecture * API-first and event-driven designs * Hybrid/cloud infrastructure models * Strong understanding of HSMs, cryptography, and secure transaction processing * Domain Expertise on Card payment ecosystems (ATM, POS, e-commerce), Scheme connectivity and certification processes, ATM operations, reconciliation, dispute management