Senior Linux Systems Administrator

Job Summary

To support large-scale Linux server infrastructure, the remote Senior Linux Systems Administrator will manage and optimize Ubuntu and Red Hat Enterprise Linux environments while collaborating with DevOps, Network, and Software teams to ensure uptime, reliability, and security.

Key Responsibilities

• Manage, monitor, and maintain Ubuntu and Red Hat Linux servers across production and staging environments
• Perform system upgrades, kernel updates, patch management, and performance tuning
• Implement and manage user access, security policies, and backup/recovery strategies

Required Qualifications

• 5+ years of hands-on experience in Linux system administration (Ubuntu & Red Hat)
• Strong command of Bash scripting and automation tools (e.g., Ansible, Terraform)
• Experience with monitoring tools such as Nagios, Zabbix, or Prometheus
• Solid understanding of networking fundamentals (DNS, DHCP, NFS, SSH, firewalls)
• Experience with virtualization and containerization technologies (VMware, KVM, Docker)