Job Description
Job Overview : We are seeking a Senior Linux Systems Administrator experienced in Ubuntu and Red Hat Enterprise Linux (RHEL) environments. The role involves managing and optimizing large-scale Linux server infrastructure across production and development environments, ensuring uptime, reliability, and security. This position will closely collaborate with DevOps, Network, and Software teams to support mission-critical systems, implement automation, and streamline infrastructure management processes. Key Responsibilities Manage, monitor, and maintain Ubuntu and Red Hat Linux servers (production and staging). Perform system upgrades, kernel updates, patch management, and performance tuning. Implement and manage user access, security policies, and backup/recovery strategies . Troubleshoot and resolve hardware, OS, and network-related issues. Maintain configuration management and deployment pipelines using Ansible, Puppet, or similar tools . Monitor system health and resource utilization; ensure optimal uptime and performance. Collaborate with DevOps and Cloud teams for environment provisioning (AWS, Azure, or on-prem). Manage server hardening, SSH configuration, SSL certificates , and OS-level security compliance. Participate in capacity planning, disaster recovery, and incident response activities. Create and maintain detailed system documentation, SOPs, and audit reports. Required Skills & Experience 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, Shell, or Python basics). 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, etc.) . Strong troubleshooting skills with system logs, kernel issues, and service failures. Familiarity with version control (Git) and CI/CD pipe
