AS400 Systems Administrator

Questronix Corporation; Makati; On-site; PHP 520,000 - 800,000; Full time

Job summary

Questronix Corporation seeks an L2 IBM i support analyst to maintain IBM AS/400 environments in Metro Manila. You will monitor system health, batch schedules, and logs, and perform troubleshooting to resolve incidents in production.

The role requires knowledge of RPG/RPGLE, CL/CLLE, DB2 for i, SQL basics, and experience with schedulers like Control-M/Tivoli. On-call rotation may apply.

Qualifications

• 1–2 years hands-on experience with IBM AS/400 / IBM i and OS/400.
• Strong knowledge of job control, subsystems, queues and message queues.
• Experience with spool file management, performance monitoring, and licensing.
• L2 application support in production environments.
• Basic RPG/RPGLE and CL/CLLE, COBOL is a plus.
• DB2 for i fundamentals and basic SQL queries.
• Experience with schedulers (Control-M, Tivoli) and ticketing tools (ServiceNow, Jira).
• Understanding of batch vs online processing and Dev/UAT/Prod environments.
• Knowledge of MIMIX and basic Linux/Windows system awareness.

Responsibilities

• 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.

Skills

IBM i/AS400

OS/400

Job control

DB2 for i

SQL

Control-M

Tivoli

ServiceNow

Jira

Linux basics

Tools

Control-M

Tivoli

ServiceNow

Jira

Job description

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