Linux Systems Administrator: Automation & Security

Quantrics Enterprises Inc.; Manila; On-site; PHP 600,000 - 900,000; Full time

Job summary

Quantrics Enterprises Inc. is seeking a Linux System Administrator to manage Red Hat server environments and ensure secure, high-availability operations for global IT services. You will patch, upgrade, and optimize systems, and collaborate with cross-functional teams to drive automation and reliability.

The role includes after-hours on-call support, incident response, and disaster recovery participation. Proactive monitoring and strong documentation are essential for ongoing improvements.

Qualifications

• Must-have expertise in Red Hat server administration and patching.
• Experience with virtualization platforms and infrastructure technologies.
• Strong scripting and automation capabilities using common tools.

Responsibilities

• Administer and maintain Red Hat servers, including patching and upgrades.
• Provide on-call support and respond to incidents to minimize disruption.
• Implement, test, and document infrastructure changes.
• Perform security hardening and vulnerability assessments.
• Monitor performance, capacity, and availability with monitoring tools.
• Collaborate with network, database, and application teams.
• Participate in disaster recovery planning and testing.
• Automate tasks using Python, Ansible, Bash, and scripting languages.

Skills

Red Hat Admin

Virtualization

Scripting & Automation

Networking Fundamentals

Security & Vulnerability

Tools

VMware vSphere

VMware vCenter

Red Hat OpenStack

Python

Ansible

Bash

PowerShell

Job description

Quantrics Enterprises Inc. is seeking a Linux System Administrator to manage Red Hat server environments and ensure secure, high-availability operations for global IT services. You will patch, upgrade, and optimize systems, and collaborate with cross-functional teams to drive automation and reliability.

The role includes after-hours on-call support, incident response, and disaster recovery participation. Proactive monitoring and strong documentation are essential for ongoing improvements.