CMS & ATM Sr. Applications Support

Provide support and administration for Card Management Systems (CMS). Manage and monitor the full card lifecycle, including issuance, activation, PIN management, limits setup, blocking/unblocking, and card reissuance. Analyze and troubleshoot transaction issues related to authorization, clearing, and reversals using ISO8583 messages. Support daily payment operations across ATM, POS, e-commerce, contactless, tokenization, and 3D Secure (3DS) transactions. Ensure smooth integration between CMS and core banking systems. Perform reconciliation and support settlement processes. Investigate and resolve production incidents, ensuring minimal service disruption. Work closely with internal teams, payment schemes, and vendors to resolve issues and implement enhancements. Maintain system documentation, operational procedures, and troubleshooting guides. Requirements Bachelor’s degree in Computer Science, Information Systems, or a related field. 2+ years of experience. Strong knowledge of Card Management Systems (CMS). Solid understanding of card lifecycle (Issuance, activation, PIN, limits, blocking/unblocking, reissue). Experience with ISO8583 messages (authorization, clearing, reversals). Familiarity with payment schemes (Visa/Mastercard/Meeza). Understanding of transaction flows (ATM, POS, e-commerce, contactless, tokenization, 3DS). Understanding of reconciliation & settlement basics. Basic understanding of: Core banking integration WebSphere HSM basics (Thales PayShield 9000 & 10K) Strong SQL skills (querying, troubleshooting transactions).