Nair Systems is currently looking for IST/Switch Application Support Specialist our UAE operations with the following terms & conditions.

Required Skills & Experience

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

Terms and conditions

Joining time frame: 30 Days

Should you be interested in this opportunity, please send your latest resume in MS Word format at the earliest at [HIDDEN TEXT]

📌 IST/Switch Application Support Specialist for UAE (India)
🏢 Vinirma Consulting Private
📍 India