AS400

We are looking for an experienced AS400 / IBM i System Administrator to manage, monitor, maintain, and support IBM i environments. The ideal candidate should have strong experience in system administration, OS upgrades, PTF patching, backup and recovery, disaster recovery, and production batch operations using ROBOT Scheduler .

Key Responsibilities:

• Administer and maintain IBM i (AS400 / iSeries) environments across Production, DR, QA, and Development.
• Perform system monitoring, health checks, performance tuning, capacity planning, and troubleshooting.
• Manage user profiles, system security, access permissions, and compliance requirements.
• Plan and execute OS upgrades, PTF installations, security patches, and firmware maintenance.
• Manage backups, restores, and disaster recovery activities using BRMS and support DR drills and failover testing.
• Configure and maintain ROBOT Scheduler for batch jobs, calendars, dependencies, and automated workflows.
• Monitor production batch jobs, troubleshoot failures, manage reruns, and support month-end and year-end processing.
• Manage system jobs, subsystems, job queues, message queues, output queues, and spool files.
• Follow ITIL processes for incident, problem, and change management.
• Maintain technical documentation and coordinate with application, infrastructure, and business teams.
• Strong experience in IBM i / AS400 / iSeries system administration.
• Hands-on experience with ROBOT Scheduler and batch job management.
• Knowledge of IBM i OS upgrades, PTFs, patching, and system maintenance.
• Experience with BRMS, backup and recovery, and disaster recovery operations.
• Understanding of IBM Power Systems, system security, performance monitoring, and troubleshooting.
• Experience with production support and ITIL-based operational processes.

Preferred Skills:

• Experience with MIMIX, PowerHA, iCluster, or other high-availability solutions.
• Knowledge of IPL operations, LPARs, and firmware updates.
• Experience supporting business-critical production workloads and scheduled batch processing.