AS400 (IBM iSeries) Developer/Engineer | Banking

Unison Consulting Pte Ltd; Kuala Lumpur; On-site; MYR 80,000 - 110,000; Full time

Job summary

A consulting firm in Kuala Lumpur is looking for an experienced AS400 Developer/Engineer with strong skills in RPG, COBOL, and system operations. The candidate will maintain and enhance applications on the AS400 platform, manage databases with DB2, and automate data exports. Responsibilities include troubleshooting production issues and ensuring system stability in a dynamic banking environment. If you have a proven background in AS400 and integration with external platforms, we invite you to apply for this key position.

Qualifications

• Proven hands-on experience with AS400 system operations.
• Strong understanding of native AS400 database.
• Strong programming and development experience in RPG IV / ILE.
• Proficiency in maintaining and enhancing legacy COBOL applications.
• Expertise in job scripting and automation using Control Language (CL).
• Experience in data export, automation, and integration with external platforms.
• Strong troubleshooting, debugging, and problem-solving skills.

Responsibilities

• Develop, maintain, and enhance applications on the AS400 platform.
• Manage data structures, queries, and database operations with DB2.
• Automate recurring data export jobs and support integration.
• Perform system maintenance, troubleshooting, and performance optimization.
• Analyze and debug production issues, ensuring minimal downtime.

Skills

AS400 / IBM iSeries

DB2 for i Native

RPG IV / ILE

COBOL

CL (Control Language)

Troubleshooting

Debugging

Data export

Tools

AIX

Linux

Windows

Job description

We are seeking an experienced AS400 (IBM iSeries) Developer/Engineer with a strong background in RPG, COBOL, and CL programming. This role requires hands‑on experience with AS400 system operations, data export processes, and integration with external platforms. The candidate will be responsible for maintaining existing applications, supporting production activities, and ensuring system stability within a dynamic banking environment.

Key Responsibilities

• Develop, maintain, and enhance applications on the AS400 (IBM iSeries) platform
• Work with DB2 for i Native to manage data structures, queries, and database operations
• Automate recurring data export jobs and support integration with external systems
• Perform system maintenance, troubleshooting, and performance optimization
• Analyze and debug production issues, ensuring minimal downtime.

Must-Have Skills

• AS400 / IBM iSeries: Proven hands‑on experience with midrange system operations
• DB2 for i Native: Strong understanding of native AS400 database
• RPG IV / ILE: Strong programming and development experience
• COBOL: Proficiency in maintaining and enhancing legacy COBOL applications
• CL (Control Language): Expertise in job scripting, automation, and command‑based operations
• Operating Systems: AS400, AIX, Linux, Windows
• Experience in data export, automation, and integration with external platforms
• Strong troubleshooting, debugging, and problem‑solving skills