Senior L2/L3 Production Support – Banking

uobgroup; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

1011 United Overseas Bank Ltd is seeking an experienced Production Support Engineer to provide L2/L3 support for mission-critical banking applications across the region. You will monitor health, manage incidents, and work with developers, infrastructure teams, and vendors to minimize business impact.

The role requires 5 years in Application Production Support or IT Operations, hands-on with Java/J2EE, Oracle, UNIX/Linux, IBM MQ, and ITIL processes, in a 24x7 environment.

Qualifications

• 5 years of experience in Application Production Support, IT Operations, or Production Services.
• Hands-on experience with Java/J2EE, Web Services, Microservices, Oracle, UNIX/Linux, IBM MQ, Control‑M, and Splunk.
• Experience supporting mission‑critical banking or financial services applications.
• Strong troubleshooting, incident management, and root cause analysis skills.

Responsibilities

• Provide L2/L3 production support for mission‑critical applications, ensuring high availability and service stability.
• Monitor application health, batch processes, file transfers, interfaces, and production services; investigate and resolve issues within SLA.
• Perform incident triage, troubleshooting, root cause analysis, and escalation to development or infrastructure teams when required.
• Work closely with business users, development, infrastructure, and vendors to resolve production incidents and minimize business impact.
• Ensure successful completion of daily End‑of‑Day (EOD) and batch processing activities across multiple applications and countries.
• Support system maintenance activities, including application validation and service recovery after patching or infrastructure changes.
• Plan and execute Disaster Recovery (DR) exercises and support business continuity requirements.
• Drive continuous improvement in operational processes, monitoring, automation, and production support practices.
• Prepare operational, audit, and ad‑hoc reports as required.

Skills

Troubleshooting

Incident management

Stakeholder management

Communication

Tools

Java/J2EE

Web Services

Microservices

Oracle

UNIX/Linux

IBM MQ

Control-M

Splunk

Job description

1011 United Overseas Bank Ltd is seeking an experienced Production Support Engineer to provide L2/L3 support for mission-critical banking applications across the region. You will monitor health, manage incidents, and work with developers, infrastructure teams, and vendors to minimize business impact.

The role requires 5 years in Application Production Support or IT Operations, hands-on with Java/J2EE, Oracle, UNIX/Linux, IBM MQ, and ITIL processes, in a 24x7 environment.