Senior Business System Analyst Remote (Banking, DEBIT CARDS (Auth and Pre-Auth)) W2 Position

Hi

Role: Senior Business System Analyst

Location : Remote(EST Hours)

Duration: Long term

Banking, DEBIT CARDS (Auth and Pre-Auth) 

 

Skill Set 1Debit Card

Skill Set 2Strong SQL skills (querying transaction data, validation, troubleshooting)

Skill Set 3Familiarity with log analysis and production issue investigation

Technical Skills (Required)

Experience with debit / card processing platforms (e.g., Postilion, FIS, Fiserv, ACI, etc.) Strong SQL skills (querying transaction data, validation, troubleshooting) Experience with real-time transaction processing systems (authorization engines / switches) Understanding of message-based integrations (ISO 8583 or similar transaction formats) Experience analyzing end-to-end transaction flows across multiple systems Knowledge of batch processing and ETL pipelines (file-based processing, reconciliation) Ability to trace and troubleshoot transaction issues across distributed systems Experience working with APIs and system integrations Familiarity with log analysis and production issue investigation

Technical Skills (Preferred)

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) Experience with modernization / platform migrations (parallel runs, cutover support)

Mainframe a plus