Core Application Support Specialist IST Switch & Card Management Systems

About the role

We are looking for a Core Application Support Specialist to join a leading Islamic bank. The role focuses on supporting, maintaining, implementing and operating the IST Switch and related card payment systems to ensure high availability and reliable transaction processing.

Key responsibilities

• Provide first‑level application support and monitor system health.
• Analyze and resolve production incidents across ATM, POS, e‑commerce, issuer and acquirer channels.
• Perform root‑cause analysis and troubleshooting of transaction routing issues.
• Support deployments, upgrades and configuration changes of the IST Switch.
• Maintain operational documentation, runbooks and knowledge bases.
• Coordinate with business users, vendors and technical teams to ensure smooth operations.
• Monitor application performance and conduct log analysis.
• Assist in the implementation of ITIL processes for incident and change management.

Required profile

• Bachelor’s degree in IT, Computer Science, Engineering or a related discipline.
• Experience in banking, payment systems and mission‑critical production environments.
• Knowledge of ITIL service‑management practices.
• Strong analytical thinking, problem‑solving and stakeholder‑management skills.
• Effective communication, customer focus and teamwork orientation.

Required skills

• FIS IST Switch and card management systems.
• Card payment processing and transaction routing.
• ISO 8583 messaging.
• Linux/Unix operating systems and shell scripting.
• SQL and database querying (Oracle, MySQL, PostgreSQL, DB2).
• Application monitoring and log analysis.
• Production support and troubleshooting.