Linux System Administrator

Specialist - System Management

Linux System Administration

Install configure maintain and upgrade Linux operating systems RHEL CentOS Ubuntu SUSE

Manage system users groups permissions and access controls

Perform system monitoring performance tuning and capacity planning

Handle system startups shutdowns and scheduled maintenance activities

Operations Support

Troubleshoot and resolve OSlevel issues hardware faults and application dependencies

Provide L2L3 support for Linux servers in production and nonproduction environments

Perform root cause analysis RCA and implement preventive measures

Participate in oncall support and incident management as required

Security Compliance

Apply OS patches security updates and vulnerability fixes

Implement security best practices such as

SELinux configuration

Firewall iptables firewalld

SSH hardening

Support audits and compliance requirements

Automation Scripting

Develop and maintain scripts using Shell Bash Python or Perl for automation

Automate routine tasks such as backups monitoring patching and reporting

Work with configuration management tools like Ansible

Excellent knowledge on cloud