Linux Administrator – L1 Support Engineer

• Monitor Linux servers, applications, and services using enterprise monitoring tools
• Monitor CPU, memory, disk, swap, network, and process utilization
• Respond to alerts and incidents generated by monitoring platforms
• Escalate unresolved issues to L2/L3 teams according to the escalation matrix
• Perform daily server health checks
• Create, modify, and delete user accounts
• Perform password resets and account unlocks
• Manage file system and directory permissions
• Diagnose and resolve basic Linux OS issues
• Analyze system logs and identify recurring issues
• Handle service restart requests and perform basic troubleshooting
• Ensure ticket updates and SLA compliance
• Participate in shift handovers and operational reviews
• Verify backup completion status
• Monitor disk usage and filesystem growth and perform filesystem management
• Perform log rotation and cleanup activities
• Coordinate server reboot and maintenance activities

• Foundational understanding of Linux operating systems
• Foundational understanding of networking
• Foundational understanding of troubleshooting
• Foundational understanding of IT service management processes
• Knowledge of Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu Linux, and Oracle Linux
• Knowledge of TCP/IP, DNS, DHCP, SSH, FTP/SFTP, Ping, Traceroute, and Telnet
• Basic package installation and updates using YUM/DNF, APT, and RPM
• Hands-on knowledge of any cloud platform and infrastructure
• Preferred certification in any Linux version and vendor