Linux Systems Administrator (Ubuntu / Red Hat)

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 pipeline environments
• .
• Exposure to
• cloud platforms
• (AWS, GCP, Azure) is an added advantage.
• Excellent documentation and communication skills; ability to support global teams.

Rhcsa

RHCE

• ) certification.
• Experience managing
• high-availability clusters
• , load balancing, and RAID management.
• Previous experience in
• enterprise-scale infrastructure environments
• or tech product companies.