AS400 Systems Administrator
Questronix · Makati City
Job Description:
- Provide L2 support for IBM AS/400 / IBM i systems and applications
- Monitor system health, jobs, subsystems, message queues, and batch schedules
- Perform incident troubleshooting, root cause analysis, and resolution
- 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 (BRMS and native backups)
- Support change implementations and post-incident documentation
- Coordinate with L2, L3, and external vendors
- Participate in on-call or shift-based production support
Requirements
Qualifications:
- At least 1 to 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
- L2 application support experience in production environments
- Basic knowledge of RPG/RPGLE and CL/CLLE (COBOL is a plus)
- DB2 for i fundamentals and basic SQL query skills
- Experience with schedulers (Control-M, Tivoli) and ticketing tools (ServiceNow, Jira)
- Understanding of batch vs online processing and Dev/UAT/Prod environments
- Knowledgeable with MIMIX
- Basic Linux and Windows system awareness
Preferred Skills:
- AS/400 modernization or migration experience
- DevOps or automation exposure on IBM i
- Banking, retail, or manufacturing domain experience
- SaaS or large-scale enterprise production support background
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