System Admin Or Linux Patch Management Support

Hong Kong Unison Limited; Kuala Lumpur; On-site; MYR 60,000 - 90,000; Full time

Job summary

Hong Kong Unison Limited in Kuala Lumpur is seeking a systems specialist to plan, deploy, and verify Linux OS patches, and to coordinate remediation activities with IT teams. The role focuses on vulnerability management, patch validation, and reporting to security and compliance teams, with emphasis on ITIL-aligned change control.

The position requires strong Linux administration, familiarity with patch management tools, and experience with vulnerability scanners, delivering reports and ensuring

Qualifications

• Experience in Linux Administration (RHEL/CentOS/Ubuntu).
• Knowledge of patch management tools such as Red Hat Satellite, Ansible, or Spacewalk.
• Experience with vulnerability management tools such as Qualys, Nessus, or Rapid7.
• Understanding of security patching, CVEs, and compliance requirements.
• Good troubleshooting and communication skills.
• Familiarity with ITIL processes and change management.

Responsibilities

• Plan, schedule, and deploy Linux OS patches and security updates.
• Perform vulnerability remediation based on security scan reports.
• Coordinate patching activities with application and infrastructure teams.
• Validate patch deployment and troubleshoot failures.
• Prepare patching reports and compliance dashboards.
• Support maintenance windows and change management activities.
• Ensure systems comply with organizational security standards.

Skills

Linux administration

Patch management

Vulnerability management

CVE/compliance

ITIL/change management

Troubleshooting

Communication

Tools

Red Hat Satellite

Ansible

Spacewalk

Qualys

Nessus

Rapid7

Job description

• Plan, schedule, and deploy Linux OS patches and security updates.
• Perform vulnerability remediation based on security scan reports.
• Coordinate patching activities with application and infrastructure teams.
• Validate patch deployment and troubleshoot failures.
• Prepare patching reports and compliance dashboards.
• Support maintenance windows and change management activities.
• Ensure systems comply with organizational security standards.

Required Skills

• Experience in Linux Administration (RHEL/CentOS/Ubuntu).
• Knowledge of patch management tools such as Red Hat Satellite, Ansible, or Spacewalk.
• Experience with vulnerability management tools such as Qualys, Nessus, or Rapid7.
• Understanding of security patching, CVEs, and compliance requirements.
• Good troubleshooting and communication skills.
• Familiarity with ITIL processes and change management.

Preferred Skills

• Shell scripting.
• Experience in enterprise data center environments.
• Basic cloud knowledge (AWS, Azure, GCP).