IST/Switch Application Support Specialist

Job Description

We are currently looking for IST/Switch Application Support Specialist for our UAE operations

Required Skills & Experience

• Hands-on experience with IST/Switch (FIS) payment switching platform in a production banking environment.

• Knowledge on IST/Switch Active/Active setup with Dual site implementation

• Strong knowledge of ISO 8583 messaging, EFT transaction lifecycle, authorization, clearing and settlement.

• Understanding of card-scheme interfaces and certifications (Visa, Mastercard, and regional switches such as mada / UAESWITCH / GCCNet).

• Experience with HSM, key management, EMV, PCI DSS and payment security standards.

• Proficiency in Unix/Linux, shell scripting, SQL and log analysis.

Key Responsibilities

Production Support (L2/L3)

• Monitor real-time transaction flows, ensuring high availability of the IST/Switch environment.

• Investigate, diagnose and resolve incidents relating to transaction failures, authorization declines, timeouts, reconciliation breaks and interface issues.

• Perform root-cause analysis and drive problem management to prevent recurrence.

• Provide 24x7 on-call / shift-based support and participate in major-incident bridge calls.

BAU Operations

• Execute daily health checks, batch monitoring, end-of-day settlement and reconciliation processes.

• Manage HSM key operations, certificate renewals and card-scheme mandate updates.

• Maintain and tune ISO 8583 message configurations, routing tables, BIN/institution setups and stand-in parameters.

• Handle service requests, user access, and configuration changes through the change-management process.

• Maintain operational documentation, runbooks and knowledge-base articles.

Projects & Enhancements

• Support new card product launches, scheme mandates, interface integrations and switch upgrades/migrations.

• Participate in requirement analysis, solution design, configuration, testing (SIT/UAT) and production cut-over.

• Coordinate deployment activities, release management and post-implementation support.

• Contribute to disaster-recovery testing and business-continuity exercises.

Joining time frame: 2 weeks (maximum 1 month)

Qualifications

Additional Information