Senior Business Systems Analyst – Debit Card Processing (Remote)

The Imagine Group is seeking an experienced Business Systems Analyst V to support critical debit card processing platforms and payment systems within a high-volume enterprise banking environment. This role involves analyzing production issues, documenting functional requirements, and providing production support across complex transaction-processing applications.

Responsibilities:

• Analyze and document business and functional requirements for complex payment processing initiatives
• Create functional specifications, test plans, test cases, and support end-to-end testing activities
• Investigate production issues and perform root cause analysis across multiple integrated systems
• Trace end-to-end debit card transaction flows through authorization, routing, settlement, and reconciliation processes
• Partner with business stakeholders, development teams, and vendors to support application enhancements and production support activities
• Validate transaction processing using SQL queries and production data analysis
• Coordinate system integration efforts and assist with data mapping across multiple applications
• Support batch processing, reconciliation, and ETL workflows
• Produce technical documentation, meeting notes, functional designs, and implementation support materials
• Assist with production releases, issue resolution, and post-implementation support
• Participate in system modernization initiatives and platform enhancements
• Serve as a functional subject matter expert for assigned applications while mentoring junior analysts as needed

Requirements:

• 6+ years of Business Systems Analysis, Business Analysis, or related technical experience
• Strong experience supporting debit/card processing platforms such as: Postilion, FIS, Fiserv, ACI, or similar payment processing systems
• Strong SQL experience for transaction analysis, validation, troubleshooting, and reporting
• Experience supporting real-time transaction processing systems, authorization engines, or payment switches
• Understanding of ISO 8583 or similar financial transaction messaging formats
• Experience analyzing transaction flows across multiple integrated systems
• Knowledge of batch processing, reconciliation, and ETL processes
• Experience troubleshooting production issues across distributed systems
• Experience working with APIs and system integrations
• Familiarity with production log analysis and issue investigation
• Strong analytical, troubleshooting, communication, and documentation skills
• Experience producing technical documentation and functional specifications
• Ability to manage multiple initiatives in a fast-paced enterprise environment
• Experience supporting card management systems
• Knowledge of ATM and POS transaction routing (Visa, STAR, NYCE, etc.)
• Experience working in mainframe environments, including: CICS, TPX, Batch processing
• Experience supporting high-volume, highly available transaction processing systems
• Exposure to fraud detection platforms, rules engines, or risk scoring systems
• Experience supporting platform modernization or migration initiatives, including parallel testing and production cutovers
• Banking or financial services experience strongly preferred