AS400 Systems Administrator

Questronix Corporation; Philippines; On-site; PHP 420,000 - 720,000; Full time

Job summary

Questronix Corporation in the Philippines seeks an IBM i L2 Support Specialist to manage IBM AS/400 systems and related applications. You will monitor system health, troubleshoot incidents, and coordinate with L2/L3 teams and external vendors.

The role involves handling job queues, security access, and data integrations in a production environment. The ideal candidate will have 1–2 years hands-on IBM i experience, knowledge of RPG/CL basics, DB2 for i, and familiarity with tools like Control-M,

Qualifications

• At least 1–2 years hands-on IBM i/AS400 and OS/400 experience.
• Strong knowledge of job control, subsystems, queues and message queues.
• Experience with spool file management, performance monitoring, and licensing.
• L2 application support experience in production environments.
• Basic RPG/RPGLE and CL/CLLE knowledge; 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 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 OS/AS400

Job control knowledge

RPG/CL basics

SQL basics

Linux basics

Schedulers

Security management

MQ & file transfers

Backup/BRMS basics

Batch vs online

Tools

Control-M

Tivoli

ServiceNow

Jira

MIMIX

Job description

Job 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

Job 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

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