AS400 Systems Administrator

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

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