Linux System Administrator

Administered RHEL systems, providing 24x7 support for development, testing, and production environments. Managed user accounts and permissions, including SSH password-less authentication. Configured and maintained NFS, SMTP, SFTP on Linux servers. Performed system monitoring (CPU, memory, disk utilization) and troubleshooting using tools like TOP, iostat, and vmstat. Automated tasks using CRON and implemented configuration changes across servers using Ansible. Managed Logical Volume Manager (LVM) for file system creation and resizing. Changing files and directories permissions and ownerships as per request. Experienced in Operating System Installations, configuration of servers. Ability to maintain smooth and cordial relations with customers. Knowledge in configuring SSH password less authentication. Experience on managing the User and Group Administration of creating, modifying and Deleting users and groups and providing the security on user accounts and group accounts. Creating hard link and soft link for File Directories as per request Streamlined server configurations by implementing Ansible ad-hoc commands, reducing manual effort by 50%. • Resolved critical boot-level issues and ensured uptime for production servers. • Optimized NFS setup, improving data accessibility across environments. • Experienced in booting process and troubleshooting Linux servers, resolving boot issues and maintenance of server issues using rescue mode and single user mode. • Ensured server patching, backup, recovery, and Df -h hung/root password recovery. • Server OS upgradation, server build. • Backup recovery using tools like tar and dump, providing Sudo access. • Installation, configuration and administration of various versions of red-hat Linux. • File-system administration (creating and increasing filesystems). • Experience on logical value management on Linux. • Experience on configuring NFS, backup and restoration. • Problem and troubleshooting of Linux servers

Pay: From ₹9,859.42 per month

Work Location: Hybrid remote in Chennai, Tamil Nadu (Chennai, Chennai District)