IBM i AS/400 Production Support Engineer

Questronix Corporation; Metro Manila; On-site; PHP 450,000 - 750,000; Full time

Job summary

Questronix Corporation in Metro Manila seeks an L2 support specialist for IBM AS/400 / IBM i systems. You will monitor health, subsystems, queues, and batch schedules, and perform incident troubleshooting and root cause analysis.

Manage user profiles, security access, and drive timely resolutions. Responsibilities also include reviewing logs, coordinating with L2/L3 and external vendors, monitoring file transfers, backups, and post-incident documentation, with on-call production support as

Qualifications

• 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 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 and basic Linux/Windows awareness.
• Basic networking and OS familiarity relevant to enterprise systems.

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 / AS-400

Troubleshooting

Production support

Communication

Tools

Control-M

Tivoli

ServiceNow

Jira

FTP/SFTP

MQ

BRMS

MIMIX

Job description

Questronix Corporation in Metro Manila seeks an L2 support specialist for IBM AS/400 / IBM i systems. You will monitor health, subsystems, queues, and batch schedules, and perform incident troubleshooting and root cause analysis.

Manage user profiles, security access, and drive timely resolutions. Responsibilities also include reviewing logs, coordinating with L2/L3 and external vendors, monitoring file transfers, backups, and post-incident documentation, with on-call production support as