Process EN and VR payment transactions, ensuring eligibility compliance and accuracy. Enter and verify payment requests using the iTOPSS system and maintain transaction records. Reconcile payment activity and resolve discrepancies or errors related to EN/VR transactions. Conduct quality assurance reviews of payment documentation and processes. Collaborate with EN/VR program representatives to clarify eligibility and resolve transaction issues. Assist in the investigation and resolution of overpayment incidents. Maintain up-to-date documentation, files, and logs for all payment activities. Ensure compliance with SSA and program-specific payment processes, guidelines, and timelines. Support audits and data integrity initiatives as required.