AS400 OEN / System Administration Support

JOB ROLE/TASKS: System Administrator

1. Troubleshooting

Analyse job logs and system messages.

Use system tools (**WRKACTJOB**, **WRKSTN**) for performance issues.

Resolve hardware errors and disk/memory/CPU problems.

2. PTF Application

Apply PTFs to fix bugs and improve performance.

Use commands like **WRKPTFGRP**, **GO PTF** to check and apply PTFs.

Solve PTF conflicts or application issues.

3. System Updates & Maintenance

Apply **Cumulative PTFs** to keep the system up-to-date.

Schedule PTF updates during off-peak hours.

4. Job Management

Troubleshoot failed jobs using **WRKJOB**.

Clear job queues and restart jobs as needed.

5. Database & File Issues

Fix issues with **DB2 for IBM i** and corrupted files.

Use **SQL queries** to resolve database problems.

6. User Support

Communicate with users to understand and fix issues.

Document problems and solutions clearly.