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).