Senior UNIX & Middleware Operations Lead

Dah Sing Financial Group; Hong Kong; On-site; HKD 600,000 - 900,000; Full time

Job summary

Dah Sing Financial Group is seeking a Manager for UNIX and middleware administration in Hong Kong. The role ensures smooth operation of AIX, Solaris, and Red Hat Linux, and supports IBM WebSphere and IBM MQ environments.

You will manage patches, upgrades, and security, while collaborating with IT teams for optimal service delivery. The position requires 5+ years in UNIX/Linux administration, strong documentation, and experience with disaster recovery, capacity planning, and vendor liaison.

Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• Formal training or certifications in AIX/Solaris/RedHat Linux administration are highly valued.
• Certifications such as IBM/Oracle/Red Hat SA are desirable.

Responsibilities

• Install, configure, and support AIX, Solaris, and Red Hat Linux operating systems.
• Install, configure, and maintain IBM WebSphere and IBM MQ environments.
• Perform OS and middleware upgrades and patching for EOS and security.
• Update internal CA certificates and security configurations.
• Support SWIFT-related configurations and UAT/OAT environments.
• Configure FinPlus and MicroGateway components.
• Coordinate infrastructure changes and vendor support.
• Produce system performance, capacity, and audit reports.

Skills

AIX

Solaris

RedHat Linux

Middleware administration

System administration

Patch management

Disaster recovery

Capacity planning

Incident management

Project management

Documentation

Leadership

Vendor liaison

Education

Bachelor's degree in Computer Science/IT

IBM Certified System Administrator

Oracle Certified Professional

Red Hat Certified System Administrator

Tools

IBM WebSphere Application Server

IBM MQ

RedHat YUM

FinPlus

MicroGateway

Job description

Dah Sing Financial Group is seeking a Manager for UNIX and middleware administration in Hong Kong. The role ensures smooth operation of AIX, Solaris, and Red Hat Linux, and supports IBM WebSphere and IBM MQ environments.

You will manage patches, upgrades, and security, while collaborating with IT teams for optimal service delivery. The position requires 5+ years in UNIX/Linux administration, strong documentation, and experience with disaster recovery, capacity planning, and vendor liaison.