AS400 (IBM i) System Administrator

Role Descriptions:

Role Summary The AS400 (IBM i iSeries) System Administrator is responsible for the administration, monitoring, maintenance, security, patching, upgrades, and operational support of IBM i environments. The role ensures platform stability, performance, availability, and compliance while managing batch scheduling operations using ROBOT Scheduler and supporting business-critical production workloads.

1. IBM i AS400 System Administration

- Administer and maintain IBM i (AS400/iSeries) environments across Production, DR, QA, and Development systems.

- Perform daily health checks, system monitoring, and performance tuning.

- Manage user profiles, authorities, object permissions, and security controls.

- Monitor system resources, storage utilization, and capacity planning.

- Perform IPL activities and system startup/shutdown operations.

- Troubleshoot operating system, subsystem, and job-related issues.

- Ensure adherence to ITIL-based Incident, Problem, and Change Management processes.

2. OS Management, PTFs, and Upgrades

- Plan and execute IBM i OS upgrades and technology refresh activities.

- Manage PTF installation, cumulative packages, HIPER PTFs, and security patches.

- Conduct pre-upgrade assessments and compatibility checks with applications and third-party tools.

- Coordinate maintenance windows and upgrade activities with business stakeholders.

- Perform validation, testing, rollback planning, and post-upgrade verification.

- Document upgrade procedures, risks, and remediation activities.

- Support firmware updates and Power Systems infrastructure maintenance.

3. Backup, Recovery Disaster Recovery

- Administer BRMS (Backup Recovery and Media Services).

- Execute scheduled and on-demand backups and restore operations.

- Manage virtual tape and media lifecycle.

- Perform recovery testing and DR drill activities.

- Support High Availability solutions such as MIMIX, PowerHA, iCluster, or equivalent.

- Participate in failover and failback exercises and DR readiness reviews.

4.



ROBOT Scheduler Administration

- Configure, administer, and maintain ROBOT Scheduler environments.

- Create, modify, and manage batch jobs, calendars, dependencies, and workflows.

- Monitor critical business batch schedules and production job streams.

- Manage cross-system and cross-LPAR job dependencies.

- Troubleshoot failed, delayed, long-running, and abnormally terminated jobs.

- Perform job reruns, schedule modifications, and recovery activities.

- Support month-end, quarter-end, and year-end business processing schedules.

- Generate scheduler reports, audit information, and operational metrics.

- Coordinate with application teams for recent job implementation and schedule changes.

5. Production Control Batch Operations

- Monitor production batch workloads and job queues.

- Manage subsystems, message queues, output queues, and spool files.

- Analyze performance bottlenecks and optimize batch execution windows.

- Support ad-hoc, scheduled, and on-demand production

Essential Skills:

The AS400 (IBM i iSeries) System Administrator is responsible for the administration, monitoring, maintenance, security, patching, upgrades, and operational support of IBM i environments. The role ensures platform stability, performance, availability, and compliance while managing batch scheduling operations using ROBOT Scheduler and supporting business-critical production workloads.

1. IBM i AS400 System Administration

- Administer and maintain IBM i (AS400/iSeries) environments across Production, DR, QA, and Development systems.

- Perform daily health checks, system monitoring, and performance tuning.

- Manage user profiles, authorities, object permissions, and security controls.

- Monitor system resources, storage utilization, and capacity planning.

- Perform IPL activities and system startup/shutdown operations.

- Troubleshoot operating system, subsystem, and job-related issues.

- Ensure adherence to ITIL-based Incident, Problem, and Change Management processes.

2. OS Management, PTFs, and Upgrades

- Plan and execute IBM i OS upgrades and technology refresh activities.

📌 (IBM i) System Administrator (Florenceville-Bristol)
🏢 Astra North Infoteck
📍 Florenceville-Bristol