AS400 Senior Production Support at Unison Group

Job Description:

Latest job information from Unison Group for the position of AS400 Senior Production Support. If the AS400 Senior Production Support vacancy in Singapore matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at Unison Group for the position of AS400 Senior Production Support below matches your qualifications.

This role is ideal for a senior production support professional who can provide technical leadership, incident resolution, defect fixing, deployment support, and platform migration support in a mission-critical banking environment.

The candidate should have strong hands-on experience in production support, bug fixing, system analysis, and customer/payment platform transition projects, with the ability to quickly troubleshoot and stabilize core business applications.

• Act as the SME for AS400 / Mainframe-based banking and payment applications
• Provide production support for critical banking systems with focus on incident management, root cause analysis, and issue resolution
• Investigate, diagnose, and resolve complex bugs, system defects, and performance issues
• Support payment system applications and ensure smooth functioning of transaction processing systems
• Work on customer migration / platform transition initiatives, where systems or customers are moved from one platform to another
• Perform code analysis, enhancements, defect fixing, and support changes in AS400-based applications
• Handle deployment activities, release support, job scheduling, and production log analysis
• Monitor and troubleshoot batch jobs, interfaces, system logs, and transaction failures
• Collaborate with business users, operations teams, developers, infrastructure teams, and vendors to ensure system stability
• Support production incidents, emergency fixes, and post-release validations
• Drive problem management, identify recurring issues, and recommend permanent fixes
• Ensure proper documentation, knowledge transfer, and technical runbooks are maintained
• Participate in change management, release planning, and support governance activities

Job Info:

• Company: Unison Group
• Position: AS400 Senior Production Support
• Work Location: Singapore
• Country: SG

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information AS400 Senior Production Support at the office Singapore above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.