Linux System Administrator

MSRcosmos LLC; Hyderabad; On-site; INR 800,000 - 1,200,000; Full time

Job summary

MSRcosmos LLC is seeking a skilled Linux System Administrator with 3–6 years of experience to join our infrastructure team in Hyderabad. You will manage Linux servers, storage, networking, patching, backups and basic automation.

The role requires hands-on experience with RHEL/Ubuntu/SUSE, LVM, filesystem management, troubleshooting, monitoring logs, security hardening, and simple Bash scripting. Hindi or Telugu language skills are a plus.

Qualifications

• 3–6 years of experience in Linux System Administration.
• 4+ years of hands-on experience in Linux administration.
• Good knowledge of RHEL / Ubuntu / SUSE.
• Strong knowledge of LVM, partitions, filesystems, mounting, /etc/fstab, and swap.
• Experience with Linux troubleshooting and performance monitoring.
• Good knowledge of Linux networking and SSH.
• Experience with Linux patching and backup/restore.
• Basic knowledge of Bash scripting and cron jobs.
• Knowledge of basic Linux security practices.

Responsibilities

• Manage and maintain Linux servers, including RHEL, Ubuntu, and SUSE.
• Perform user, group, permission, service, and SSH management.
• Manage disks, partitions, filesystems, and LVM.
• Perform filesystem creation, expansion, mounting, and swap management.
• Troubleshoot CPU, memory, disk, process, and system performance issues.
• Monitor and analyze Linux system logs.
• Configure and troubleshoot IP, DNS, routing, network interfaces, ports, and SSH connectivity.
• Perform Linux patching, backup, restore, and regular system maintenance.
• Manage cron jobs and perform basic Bash scripting.
• Perform basic Linux security hardening and troubleshooting.

Skills

Linux System Administration

Troubleshooting

Networking

Backup/Restore

Bash scripting

Cron jobs

Hindi

Telugu

Tools

RHEL

Ubuntu

SUSE

LVM

SSH

Monitoring

Patching

Job description

We are looking for a skilled Linux System Administrator with 3–6 years of experience in Linux administration and infrastructure support. The candidate should have good hands‑on experience with Linux servers, storage, troubleshooting, networking, patching, backup, and basic automation.

Key Responsibilities

• Manage and maintain Linux servers, including RHEL, Ubuntu, and SUSE.
• Perform user, group, permission, service, and SSH management.
• Manage disks, partitions, filesystems, and LVM.
• Perform filesystem creation, expansion, mounting, and swap management.
• Troubleshoot CPU, memory, disk, process, and system performance issues.
• Monitor and analyze Linux system logs.
• Configure and troubleshoot IP, DNS, routing, network interfaces, ports, and SSH connectivity.
• Perform Linux patching, backup, restore, and regular system maintenance.
• Manage cron jobs and perform basic Bash scripting.
• Perform basic Linux security hardening and troubleshooting.

Required Skills

• 3–6 years of experience in Linux System Administration.
• 4+ years of hands‑on experience in Linux administration.
• Good knowledge of RHEL / Ubuntu / SUSE.
• Strong knowledge of LVM, partitions, filesystems, mounting, /etc/fstab, and swap.
• Experience with Linux troubleshooting and performance monitoring.
• Good knowledge of Linux networking and SSH.
• Experience with Linux patching and backup/restore.
• Basic knowledge of Bash scripting and cron jobs.
• Knowledge of basic Linux security practices.

Language Skills

• Hindi
• Telugu