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AS400 Systems Administrator

Questronix Corporation · Manila, PH

Über die Stelle

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 L1, 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