💼 Full-Time Position

AS400 Subject Matter Expert

🏢
Unison Group
📍 singapore, singapore, Singapore
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Location
singapore, Singapore
📅
Posted
May 29, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

We are hiring an experienced AS400 SME with strong expertise in IBM AS400 / iSeries systems , RPG programming , and Banking & Payment applications .

The ideal candidate will act as a Technical SME / L3 Production Support expert , responsible for supporting mission-critical banking systems, resolving production issues, fixing defects, handling deployments, and ensuring stability of payment-related applications.

This role requires a senior professional who can work across application support, troubleshooting, bug fixing, and platform transition / migration activities in a high-availability banking environment.

Key Responsibilities

  • Act as the AS400 Subject Matter Expert (SME) for banking and payment applications
  • Provide L3 Production Support for critical business applications running on AS400 / iSeries
  • Analyze and resolve production incidents, de...