Senior Officer, Middleware Administrator, Group Infrastructure & Platform Services

UOB (United Overseas Bank); Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

1011 United Overseas Bank Ltd (UOB) is seeking a Middleware Administrator with 1–2 years of hands-on experience in enterprise middleware environments, including IBM MQ, IBM Connect:Direct and Apache Kafka. You will support administration, monitoring and troubleshooting across Linux and Windows.

The role focuses on middleware availability, DR testing, RCA participation and on-call support, working closely with L1 teams to ensure operational resilience and rapid issue resolution.

Qualifications

• 1–2 years in infrastructure or middleware support.
• Hands-on with IBM MQ, IBM Connect:Direct, or Apache Kafka.
• Strong Linux/Unix knowledge.
• Exposure to incident management and DR testing.
• Willing to participate in 24x7 on-call roster.

Responsibilities

• Perform service recovery and administer IBM MQ, IBM Connect:Direct, and Apache.
• Monitor availability, performance and capacity of middleware platforms.
• Troubleshoot middleware incidents including MQ components, Kafka topics, and Connect:Direct issues.
• Participate in DR testing and RCA for incidents.
• Provide 24x7 on-call support.
• Collaborate with L1 monitoring/support teams to investigate alerts.

Skills

Middleware administration

Linux/Unix

Incident troubleshooting

24x7 on-call

DR testing

Education

Bachelor's degree in Information Technology/Computer Science/Engineering

Tools

IBM MQ

IBM ConnectDirect

Apache Kafka

Linux

Windows

Splunk

Confluent Control Center

Grafana

ITIL

Job description

Company: 1011 United Overseas Bank Ltd

About UOB

United Overseas Bank Limited (UOB) is a leading bank in ASEAN with a global network in Southeast Asia, Asia Pacific, Europe and North America. Operating through our head office in Singapore and banking subsidiaries in China, Indonesia, Malaysia, Thailand and Vietnam, we have a global network of about 430 branches and offices in 19 markets. At the heart of UOB is our culture, shaped by the UOB Way and anchored on our four values - Honourable, Enterprising, United and Committed. For more than 90 years, these values have guided how we do right by our customers, collaborate with one another and create long‑term value for the communities we operate in. As One Bank, we are committed to helping our colleagues build sustainable careers grounded in purpose, supported by strong values, and enriched with meaningful opportunities to grow.

Job Description

We are looking for a Middleware Administrator with 1-2 years of hands‑on experience supporting enterprise middleware environments, preferably involving IBM MQ, IBM Connect:Direct, and Apache Kafka.

The ideal candidate should have practical experience in the administration, monitoring, and troubleshooting of middleware platforms across distributed environments such as Linux and Windows.

The role will focus primarily on middleware availability and resilience, including service recovery, Disaster Recovery (DR) testing, production issues troubleshooting, and participation in Root Cause Analysis (RCA) for critical incidents.

The candidate should have a good understanding of high availability, performance monitoring, and operational support practices.

Job Responsibilities

• - Perform service recovery and administration of IBM MQ, IBM Connect:Direct, and Apache.
• - Monitor the availability, performance and capacity of middleware platforms.
• - Troubleshoot middleware incidents involving: IBM MQ queue managers, channels, listeners, queues, and message flows
• - Kafka brokers, topics, partitions, producers/consumers, and consumer lag
• - Connect:Direct file transfer failures and connectivity issues
• - Participate in Disaster Recovery (DR) testing.
• - Participate in Root Cause Analysis (RCA) for critical and recurring incidents.
• - Provide 24x7 on‑call support.
• - Work closely with L1 monitoring/support teams to investigate alerts, analyse middleware health, and proactively address potential service degradation.

Technical Skills & Expertise

• - Middleware Systems: IBM MQ (Distributed), IBM Connect:Direct (NDM), Apache Kafka.
• - Operating Systems : Red Hat Enterprise Linux (RHEL), Unix, Microsoft Windows
• - Monitoring Tools : Splunk, Kafka monitoring tools (Confluent Control Center, Grafana).
• - ITIL processes: incident management, problem management, root cause analysis, DR and Business Continuity

Job Requirements

• - Degree in Information Technology, Computer Science, Engineering, or equivalent relevant experience.
• - 1-2 years of experience in infrastructure, middleware, or any related technology support role.
• - Practical knowledge of IBM MQ, IBM Connect:Direct, or Apache Kafka.
• - Good knowledge of Linux/Unix environments.
• - Understanding of incident troubleshooting and production support practices.
• - Willingness to participate in a 24x7 on‑call support roster.

Preferred Certifications (Optional)

• - ITIL Foundation Certification
• - Confluent Certified Administrator for Apache Kafka
• - IBM Certified System Administrator - IBM MQ / Connect Direct.
• - Red Hat Certified System Administrator (RHCSA) or Equivalent Linux Certification

Additional Requirements

Be a Part of the UOB Family

UOB is an equal opportunity employer. UOB does not discriminate on the basis of a candidate's age, race, gender, color, religion, sexual orientation, physical or mental disability, or other non‑merit factors. All employment decisions at UOB are based on business needs, job requirements and qualifications. If you require any assistance or accommodations to be made for the recruitment process, please inform us when you submit your online application.