Senior UNIX & Middleware Systems Administrator

Pathsight Limited; Hong Kong; On-site; HKD 234,000 - 391,000; Full time

Job summary

Pathsight Limited is seeking a UNIX and Middleware System Administrator to manage UNIX/Linux and middleware environments within a banking context. The role involves troubleshooting, routine maintenance, and applying updates to improve performance and security.

The incumbent will install, configure, and support AIX, Solaris, and Red Hat Linux OS, IBM WebSphere Application Server and IBM MQ, and drive upgrades, patching, monitoring, and capacity planning while collaborating with IT teams.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field
• 5+ years of experience in UNIX/Linux administration or similar role
• Hands-on experience with AIX, Solaris and Red Hat Linux administration
• Experience managing UNIX backup and recovery, disaster recovery planning and execution
• Familiarity with EOS upgrades, lifecycle management, audits and user access reviews
• Strong communication and collaboration across IT teams
• Detail-oriented, methodical system administrator with good troubleshooting skills
• Ability to prioritize and manage multiple projects to meet deadlines

Responsibilities

• Install, configure, and support AIX, Solaris, and Red Hat Linux operating systems
• Install, configure, and maintain IBM WebSphere Application Server and IBM MQ environments
• Set up and manage Linux patch management and patching
• Perform OS and middleware upgrades and security patches
• Configure SNMP monitoring integration (Netgain/PRTG)
• Monitor system performance and resource utilization for proactive planning
• Prepare annual capacity planning reports for usage and growth
• Conduct Security Acceptance Testing (SAT) and user account reviews
• Set up and maintain system backup jobs for data protection and recoverability
• Lead incident resolution, perform root cause analysis, and implement preventive actions

Job description

Pathsight Limited is seeking a UNIX and Middleware System Administrator to manage UNIX/Linux and middleware environments within a banking context. The role involves troubleshooting, routine maintenance, and applying updates to improve performance and security.

The incumbent will install, configure, and support AIX, Solaris, and Red Hat Linux OS, IBM WebSphere Application Server and IBM MQ, and drive upgrades, patching, monitoring, and capacity planning while collaborating with IT teams.