Linux Administrator

Role: Linux Administrator
Experience: 5 to 8 Years
Location: Coimbatore

Job Description:
We are looking for an experienced Linux Administrator with hands-on experience in administering and supporting Linux/Unix environments. The candidate will be responsible for system administration, server maintenance, troubleshooting, performance monitoring, patching, and production support.

Key Responsibilities:

• Install, configure, administer, and maintain Linux servers.
• Provide L2/L3 administration and production support for Linux environments.
• Manage CentOS, Red Hat Enterprise Linux (RHEL), SUSE Linux, and Ubuntu servers.
• Perform OS patching, upgrades, package management, and security hardening.
• Monitor server health, CPU, memory, disk, processes, and system performance.
• Troubleshoot OS, application, network, filesystem, and server-related issues.
• Manage users, groups, permissions, sudo access, SSH, and security configurations.
• Manage filesystems, LVM, disk space, mounts, and storage-related activities.
• Configure and troubleshoot system services, daemons, cron jobs, and scheduled tasks.
• Perform server provisioning, configuration, backup/recovery, and migration activities.
• Analyze system logs and troubleshoot incidents using appropriate Linux utilities.
• Support vulnerability remediation and security compliance activities.
• Automate routine administrative tasks using Shell/Bash scripting.
• Work with application, database, network, cloud, and security teams for issue resolution.
• Participate in incident, problem, and change management processes.

Primary Skills:

• Linux System Administration
• RHEL / Red Hat Linux
• CentOS
• SUSE Linux
• Ubuntu
• Shell/Bash scripting
• OS patching and upgrades
• LVM & filesystem management
• User & access management
• SSH, DNS, NFS
• System monitoring & troubleshooting
• Production/L2/L3 support

Secondary / Good-to-Have Skills:

• Ansible
• VMware / Virtualization
• AWS / Azure / GCP
• ITIL / Incident & Change Management
• Linux security hardening
• Monitoring tools such as Splunk, Dynatrace, Nagios, Zabbix
• Automation and configuration management