System Administrator ( Linux Focus )

Key Responsibilities

• Install, configure, and maintain Linux servers (Red Hat, CentOS, Ubuntu, etc.) in physical and virtual environments
• Monitor system performance, troubleshoot issues, and perform capacity planning
• Manage user accounts, permissions, and access controls
• Perform regular system updates, patch management, and security hardening
• Configure and maintain backup, recovery, and disaster recovery procedures
• Manage network services including DNS, DHCP, NFS, and firewalls
• Automate routine tasks using shell scripting, Ansible, or similar tools
• Support virtualization and cloud platforms (VMware, AWS, Azure, or GCP)
• Maintain system documentation and produce operational reports
• Collaborate with development and security teams on infrastructure requirements

Requirements

• At least 8 years’ experience in supporting UNIX/Linux and backup tools(CommVault/Netbackup)
• Hands on experience in datacenter operation, familiar with server hardware specification, cabling and equipment.
• Solid working experience in SAN storage and SAN switch administration
• Good knowledge of network protocols, Ethernet, Vlan, routing and IP
• Familiar with Ansible, shell scripting is an advantage
• Strong analytical and problem solving skills
• Able to manage vendors to perform project implementation and BAU supports
• Excellent communication and collaboration skills
• Able to work or support production issue during non-office hours