System administrator

Responsibilities:

• Provide advanced system administration and operational support for UNIX (Linux/Red Hat, AIX) and Windows Server environments.
• Administer and maintain TWS / OPC scheduler objects (job streams, calendars, run cycles, dependencies).
• Design, test, and implement complex batch job schedules, event-driven workflows, and dependencies to support critical business processes.
• Collaborate with application development and database teams to integrate new jobs into the TWS environment
• Troubleshoot and resolve IT environment issues in adherence to provided instructions.
• Monitor daily batch streams, proactively identify scheduling bottlenecks, and resolve job failures in a timely manner.
• Conduct monthly housekeeping and apply patches to safeguard systems from potential threats.
• Prepare and deliver comprehensive weekly and monthly reports on IT operations and performance.

Requirements:

• Bachelor’s degree in Computing Studies, Engineering, or a related discipline.
• Minimum of 5 years of hands-on working experience in enterprise system administration and batch scheduling environments
• Proficient in shell scripting (Bash, KSH), PowerShell, and/or Python for automation.
• Holding an IBM Certified Administrator - Workload Scheduler is preferable
• Self-motivated and highly responsive with a proactive attitude.
• Proficient in spoken English and Cantonese, with strong interpersonal and communication skills.