AS400

Job summary

Administer and maintain IBM i environments across production, disaster recovery, QA, and development, including system security, upgrades, patching, performance, backups, and recovery. Manage ROBOT-scheduled production batch operations, troubleshoot job failures, support disaster recovery testing, and follow ITIL processes while coordinating with technical and business teams.

Job details

Role Summary: 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. Essential Skills: 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.

What you’ll do

Administer and maintain IBM i environments across production, disaster recovery, QA, and development, including system security, upgrades, patching, performance, backups, and recovery. Manage ROBOT-scheduled production batch operations, troubleshoot job failures, support disaster recovery testing, and follow ITIL processes while coordinating with technical and business teams.

Requirements

The role requires strong IBM i / AS400 system administration experience, including OS upgrades, PTFs, BRMS backup and recovery, disaster recovery, and production support. Hands-on ROBOT Scheduler and batch job management experience is essential; familiarity with high-availability solutions, LPARs, IPL operations, and firmware updates is preferred.

Listed skills

• System security · Preferred
• Troubleshooting · Preferred
• Performance Monitoring · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• IBM i / AS400 Administration
• ROBOT Scheduler
• Batch Job Management
• IBM i OS Upgrades
• PTF Installation
• BRMS
• Backup and Recovery
• Disaster Recovery
• System Security
• Performance Monitoring
• Troubleshooting
• ITIL Operations
• Power Systems
• High Availability
• LPARs
• Firmware Maintenance

Job areas

• Technology

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