• Monitor, investigate, and analyze suspicious transaction activity using internal and external fraud and risk monitoring tools • Conduct complex fraud investigations, including card-not-present (CNP), card-present (CP), account compromise, and dispute-driven fraud cases • Gather, document, and maintain detailed evidentiary case files to support fraud decisions • Perform deep-dive analyses to identify fraud trends, root causes, and emerging typologies • Review and action alerts generated by Real-time Transaction Monitoring system • Analyze large datasets to identify red flags, anomalies, and emerging fraud trends • Test, validate, and troubleshoot fraud controls to ensure effectiveness and operational integrity • Document fraud procedures, workflows, and controls to support auditability and operational efficiency • Escalate identified control gaps, compliance risks, or operational issues to management • Serve as a subject-matter expert on disputes, chargeback workflows, and network rules, including timelines and evidence requirements • Apply deep knowledge of Regulation E to ensure compliant handling of unauthorized transaction claims, provisional credits, timelines, and customer notifications • Collaborate closely with Disputes, Compliance, and Operations teams to identify emerging fraud patterns and systemic risks • Utilize Visa Resolve Online (VROL) to investigate fraudulent transactions and support chargeback workflows • Support continuous improvement initiatives across fraud monitoring, disputes handling, and regulatory compliance