AS400 OEN / System Administration Support

JOB ROLE/TASKS: System Administrator

• Troubleshooting
  
  

Analyse job logs and system messages.

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

Resolve hardware errors and disk/memory/CPU problems.

• 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.

• System Updates & Maintenance
  
  

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

Schedule PTF updates during off-peak hours.

• Job Management
  
  

Troubleshoot failed jobs using **WRKJOB**.

Clear job queues and restart jobs as needed.

• Database & File Issues
  
  

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

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

• User Support
  
  

Communicate with users to understand and fix issues.

Document problems and solutions clearly.