Linux Systems Administrator (Ubuntu / Red Hat)

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

• 8+ 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.

Preferred Qualifications

Red Hat Certified System Administrator (

RHCSA

) or Engineer (

RHCE

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

Soft Skills

• Strong ownership and accountability mindset.
• Detail-oriented with a proactive approach to issue prevention.
• Excellent communication and coordination with cross-functional teams.
• Ability to handle pressure and maintain SLAs in critical environments.