Mainframes L3 Support, Cards

Role summary

Written by MyIslandJob from the job title and employer. See the employer's page for the full description.

This role provides Level 3 production support for UOB’s mainframe-based card systems in Malaysia. Responsibilities typically include diagnosing complex incidents, resolving defects, performing root-cause analysis, supporting batch processing and system changes, and coordinating with application, infrastructure, vendor and business teams. Candidates are expected to have strong mainframe experience, particularly with COBOL, JCL, DB2, CICS and related card-processing platforms. Knowledge of payment cards, transaction processing, batch operations, incident and problem management is highly valuable. The candidate should be comfortable working in a regulated banking environment, handling critical production issues, documenting solutions and participating in on-call or after-hours support when required. Strong analytical, communication and troubleshooting skills are essential.

About the employer

UOB Malaysia is part of United Overseas Bank Limited, a major Singapore-based financial institution with operations across Southeast Asia and other international markets. The bank provides personal and business banking, corporate and commercial banking, wealth management, investment services, transaction banking and digital financial solutions. UOB serves individuals, small and medium-sized enterprises, large corporations and institutional clients. Its technology teams support high-volume banking platforms, payment systems, cards, cybersecurity, data and digital channels. The organisation operates in a regulated environment where reliability, security, customer service and operational resilience are important. Employees commonly work with regional teams and business units across Asia, making the bank suitable for professionals seeking experience in large-scale financial technology and cross-border banking operations.