Linux System Administrator

Linux System Administrator

Unison Group Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia

Base pay range

MYR5,000.00 / yr - MYR12,000.00 / yr

Key Responsibilities

• Install, configure, and maintain RHEL and Ubuntu servers (physical and virtual).
• Perform system updates, patch management, and performance optimization.
• Manage user accounts, groups, and permissions following IT security policies.
• Configure and support web servers (Apache, Nginx), database servers (MySQL, PostgreSQL), and file servers (NFS, Samba).
• Implement LVM, RAID, and disk management for storage solutions.
• Manage and monitor network configurations (DNS, DHCP, firewall, IP tables).
• Automate routine administrative tasks using Shell / Bash scripting or Python.
• Configure and manage backup and recovery processes using rsync, tar, or snapshot tools.
• Maintain and troubleshoot boot issues, kernel updates, and services.
• Monitor system health and performance using Nagios, Zabbix, Grafana, or similar tools.
• Enforce security hardening (SELinux, firewalld, patching, access control).
• Support virtualization and cloud environments (VMware, KVM, AWS, or Azure).
• Participate in incident management, problem management, and change management processes.
• Maintain accurate documentation of system configurations and operational procedures.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industry

IT Services and IT Consulting

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