AS400 Systems Administrator

About the role

We are looking for an AS400 Systems Administrator to provide L2 support for IBM AS/400 (IBM i) environments. You will ensure system health, manage batch schedules, and resolve incidents in a production setting.

Key responsibilities

• Provide L2 support for IBM AS/400 / IBM i systems and applications.
• Monitor system health, jobs, subsystems, message queues, and batch schedules.
• Troubleshoot incidents, perform root‑cause analysis and implement resolutions.
• Manage user profiles, object authorities and security access.
• Review logs, investigate errors and resolve job or program failures.
• Monitor interfaces, file transfers (FTP/SFTP), MQ and data flows.
• Perform backup and restore activities using BRMS and native backups.
• Support change implementations and document post‑incident actions.
• Coordinate with L2, L3 teams and external vendors.
• Participate in on‑call or shift‑based production support.

Required profile

• 1‑2 years of hands‑on experience with IBM AS/400 / IBM i and OS/400.
• Strong knowledge of job control, subsystems, job queues and message queues.
• Experience with spool file management, performance monitoring and licensing.
• Basic knowledge of RPG/RPGLE, CL/CLLE (COBOL a plus).
• Understanding of DB2 for i fundamentals and basic SQL queries.
• Familiarity with schedulers (Control‑M, Tivoli) and ticketing tools (ServiceNow, Jira).
• Knowledge of batch vs online processing and Dev/UAT/Prod environments.
• Basic Linux and Windows system awareness.

Required skills

• IBM AS/400 / IBM i
• OS/400
• Job control, subsystems, job queues, message queues
• Spool file management
• Performance monitoring
• RPG/RPGLE
• CL/CLLE
• COBOL
• DB2 for i
• SQL
• Control‑M
• Tivoli
• ServiceNow
• Jira
• Batch and online processing
• Dev/UAT/Prod environments
• MIMIX
• Linux
• Windows
• FTP/SFTP
• MQ
• BRMS backup/restore