Acara Solutions, An Aleron Company is looking for Business Systems Analyst V - Debit Card Servies in Buffalo, NY. This local job opportunity with ID 3759505029 is live since 2026-07-21 01:46:44.

Responsible debit/card processing platforms (e.g., Postilion, FIS, Fiserv, ACI, etc.) and preparing well-documented functional specifications for assigned projects, test plans, test cases, and execution of test cases. Responsible for research analysis of complex data, ensuring the functional design of assigned projects is accurate.

• Minimum 6 years of experience in SQL (querying transaction data, validation, troubleshooting)
• Minimum 6 years of experience with real-time transaction processing systems (authorization engines/switches)
• Minimum 6 years of experience in analyzing end-to-end transaction flows across multiple systems
• Minimum 6 years of experience working with APIs and system integrations
• Minimum 6 years of experience with log analysis and production issue investigation

What Sets You Apart:

• Understanding of message-based integrations (ISO 8583 or similar transaction formats)
• Knowledge of batch processing and ETL pipelines (file-based processing, reconciliation)
• Ability to trace and troubleshoot transaction issues across distributed systems
• Exposure to card management systems
• Understanding of ATM / POS transaction routing (Visa, STAR, etc.)
• Familiarity with mainframe environments (CICS, TPX, batch processing)
• Experience supporting high-availability / high-volume transaction systems
• Exposure to fraud systems and decisioning logic (rules engines, risk scoring)
• Strong understanding of Bank acquisition methodology or similar conversion experience.