Jobs Companies Questronix Corporation AS400 Systems Administrator

About this AS400 Systems Administrator role at Questronix Corporation

Questronix Corporation · Onsite · Manila, Metro Manila, Philippines

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
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