Designation: Linux Admin

Experience: 0-1 Year

Job Location: Chennai

Qualification Any graduate

Responsibilities:

Key Responsibilities

- Install, configure, maintain, and troubleshoot Linux servers.
- Manage Linux operating systems such as RHEL, AlmaLinux, CentOS, and Ubuntu.
- Monitor server health, CPU, memory, disk, network, and system availability.
- Troubleshoot server, application, network, and OS-level issues.
- Perform OS patching, package updates, kernel upgrades, and security updates.
- Manage Linux users, groups, permissions, sudo access, and SSH configuration.
- Configure and manage system services using systemd.
- Monitor and analyze system logs for errors and performance issues.
- Perform disk and filesystem management, including LVM and mount points.
- Troubleshoot disk space, filesystem, CPU, memory, and process-related issues.
- Manage cron jobs and scheduled tasks.
- Perform server hardening and basic security configuration.
- Manage firewall rules and network connectivity.
- Perform server health checks and routine maintenance activities.
- Support server provisioning, decommissioning, and migration activities.




- Manage backups and assist with disaster recovery activities.
- Maintain server documentation and operational procedures.
- Automate repetitive administrative tasks using Bash/Python.
- Manage and maintain cloud infrastructure, particularly AWS EC2, where required.
- Coordinate with application, network, security, and development teams for issue resolution.

Required Technical Skills

- Strong Linux system administration knowledge.
- Hands-on experience with RHEL/AlmaLinux/CentOS/Ubuntu.
- Strong knowledge of Linux commands and troubleshooting.
- Valuable understanding of TCP/IP, DNS, SSH, HTTP/HTTPS, ports, and routing.
- Knowledge of systemd, processes, services, cron, users, groups, and permissions.
- Experience with disk, filesystem, LVM, and mount management.
- Knowledge of package management such as yum, dnf, and apt.
- Experience with Linux log analysis and troubleshooting.
- Knowledge of server monitoring and alerting tools.

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📌 Linux Admin (Chennai)
🏢 Genxlead
📍 Chennai