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

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