Linux System Administrator

Key Responsibilities

• Support backup, restore, and disaster recovery (DR) operations and periodic DR exercises.
• Implement OS hardening, security compliance, and access control based on corporate policies.
• Maintain monitoring, alerting, and reporting for system performance and uptime using enterprise tools (e.g., Grafana, SolarWinds).
• Create and maintain technical documentation, system inventories, and change records.
• Collaborate with Infrastructure teams to ensure seamless integration and optimal infrastructure performance.
• Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, or SUSE) across production, DR, Dev Ops and Stagging environments.
• Perform system administration tasks, including patching, performance tuning, log management, and troubleshooting.
• Manage VMware or physical server environments, ensuring system availability and capacity planning.
• Participate in infrastructure lifecycle management, including system upgrades, migrations, and hardware refreshes.
• Provide support during scheduled maintenance windows and participate in standby support for critical infrastructure incidents.

Requirements:

• Diploma or Bachelor's degree in Information Technology, Computer Science, or related discipline.
• 3–5 years of solid experience in Linux infrastructure administration in enterprise environments.
• Hands-on experience with RHEL/CentOS and VMware virtualization.
• Strong understanding of infrastructure components networking, DNS, NTP, storage, and backup.
• Familiarity with hardware platforms (Dell, HP, IBM) and firmware management.
• Experience with system patching and configuration management tools (YUM, DNF, Ansible, Puppet).
• Good understanding of monitoring and alerting systems.
• Knowledge of shell scripting or automation (Bash, Python).
• Familiarity with
  change management
  and ITIL-based operational procedures.

Good to Have

• Experience with DR site operations and failover planning.
• Knowledge of containerization (Podman).
• Exposure to backup and restore tools (Veeam, NetBackup, CommVault etc).
• Relevant certifications such as RHCSA/RHCE, Linux+, or VMware VCP.

Apply, please kindly email your updated resume to
.

Only shortlisted applicants will be notified.

APBA TG Human Resource Pte Ltd (14C7275) || Akshya R (R