Install, configure, maintain, and troubleshoot Linux servers.
Manage Linux distributions such as Ubuntu, Red Hat Enterprise Linux (RHEL), CentOS, Rocky Linux, and Debian.
Monitor server performance, CPU utilization, memory, disk space, and system logs.
Perform regular system updates, security patches, and OS upgrades.
Manage users, groups, file permissions, and access controls.
Configure and maintain services such as SSH, DNS, DHCP, FTP/SFTP, NFS, and web servers.
Troubleshoot server, network, application, and operating system issues.
Manage storage, partitions, file systems, LVM, and disk utilization.
Implement server security measures, firewall configurations, and access policies.
Perform system backups, restoration, and disaster recovery activities.
Automate routine administrative tasks using Bash or Shell scripting.
Configure and maintain cron jobs and scheduled tasks.
Support virtualization and cloud-based Linux environments.
Maintain technical documentation, SOPs, and incident reports.
Coordinate with networking, development, and security teams to resolve infrastructure issues.

Bachelor's degree in Computer Science, Information Technology, or a related field.
2–5 years of experience in Linux system administration.
Strong hands-on knowledge of Linux operating systems and command-line tools.
Experience in server installation, configuration, monitoring, and troubleshooting.
Good understanding of TCP/IP, DNS, DHCP, SSH, and networking fundamentals.
Knowledge of Linux file systems, LVM, RAID, and storage management.
Experience with Bash/Shell scripting and task automation.
Understanding of Linux security, firewalls, SELinux, and access permissions.
Familiarity with system monitoring tools such as Nagios, Zabbix, or Prometheus.
Knowledge of web servers such as Apache and Nginx.
Experience with package management tools such as YUM, DNF, and APT.
Strong analytical, troubleshooting, and problem-solving skills.

Linux Administrator

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