# AS400 Systems Administrator

> Questronix Corporation · Manila, Philippines · Contract · Posted 2026-07-03

**Salary:** unknown currency 432,000–480,000

**Workplace:** on_site

## 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

## 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**_

## Apply

[Apply at Questronix Corporation](https://apply.workable.com/questronix-corporation-2/j/85A8108E5D/apply)

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