As400 Support

Quess Singapore • Singapore, Singapore, Singapore • Posted June 10, 2026

Location Singapore, Singapore
Job Type Full-time
Category other-general
Posted June 10, 2026

Key Responsibilities:


  • Monitor and operate IBM i (AS400) systems to ensure optimal performance and availability
  • Execute, monitor, and troubleshoot batch jobs and automated schedules using scheduling tools
  • Ensure jobs run within defined SLAs and escalate issues promptly when deviations occur
  • Perform daily operational tasks such as system checks, backups verification, and job restarts
  • Respond to system alerts, incidents, and operational issues according to SOPs
  • Coordinate with application, infrastructure, and support teams during incidents or maintenance activities
  • Maintain and update operational documentation, run books, and shift handover reports
  • Support planned system maintenance, upgrades, and disaster recovery activities
  • Follow security, compliance, and change management procedures
  • Provide shift coverage as required (including nights, weekends, or holidays, if applicable)...

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