Linux Administrator

• 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.

Requirements

• 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, HTTP/HTTPS, 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.