System Administrator

Unix Administrator will administer and manage RHEL Infrastructure. This position will work closely with APAC Infrastructure, Application, Network and Security teams to manage RHEL platform for the APAC region.

Job Responsibilities :

• Responsible for the administration and maintenance of Linux servers.
• Plan and perform installation, configuration and migration of OS and related hardware and software.
• Troubleshooting incidents, system problems and handle escalations to vendor.
• Plan and perform scheduled preventive maintenance, OS patching / upgrades / hardening.
• Provide system performance tuning, optimization, and capacity planning.
• Manage clustering (Pacemaker cluster)
• Fulfil service request and change requests.
• Manage VMware environment.
• Work with other teams and vendors where applicable.
• Provide day-to-day systems administration and operations, including 24x7 standby.
• Develop and maintain Ansible playbooks and shell scripts for automation of system management tasks.
• Based on the operational experience gathered, design and implement infrastructure improvements for better security, stability, performance, and efficiency.
• Provide technical support and advice for projects.
• Maintain the documentation and the configuration.

Qualifications :