Senior Linux Systems Administrator

Quantrics Enterprises Inc.

. Administer and maintain Red Hat server environments, including patching, updates, upgrades, and performance tuning .

Posted 9/24/2026full-timeRemote • PhilippinesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Linux Server Administration, particularly in Red Hat Enterprise Linux environments, with strong skills in automation using Python, Ansible, and Bash. Proficient in system performance monitoring, security hardening, and collaboration across IT teams for effective infrastructure management.

Highest-signal resume keywords

Linux Server AdministrationRed Hat Enterprise Linux (RHEL)Python ScriptingAnsible AutomationVMware vSphere

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Server AdministrationRed Hat Enterprise Linux (RHEL)Python ScriptingAnsible AutomationBash ScriptingVMware vSphereVMware vCenterRed Hat OpenStackInfrastructure as Code (IaC)Network Troubleshooting

Soft Skills

Analytical SkillsProblem-Solving SkillsCommunication SkillsCollaboration Skills

Tools & Technologies

Red Hat ServerVMware vSphereVMware vCenterRed Hat OpenStackTCP/IPDNSDHCP

Certifications & Qualifications

Bachelor’s Degree in Computer ScienceRHCSARHCERed Hat Ansible Automation Platform

Industry Keywords

System Performance MonitoringSecurity HardeningVulnerability AssessmentsDisaster RecoveryBusiness Continuity Planning

Tech Stack

Tools & technologies

AnsibleDNSLinuxOpenStackPythonTCP/IPVMware

About the role

Key responsibilities & impact

Administer and maintain Red Hat server environments, including patching, updates, upgrades, and performance tuning
Provide after-hours on-call support and respond to system incidents and alerts
Implement and manage infrastructure changes with documentation, testing, and controlled execution
Perform server security hardening, vulnerability assessments, and security incident response
Monitor system performance, capacity, and availability
Collaborate with network, database, application, and other IT teams on integration and troubleshooting
Participate in disaster recovery and business continuity planning and testing
Automate system administration using Python, Ansible, Bash, and related technologies
Create and maintain technical documentation, operating procedures, and troubleshooting guides
Maintain knowledge of Linux administration, security, and operations technologies

Requirements

What you’ll need

Bachelor’s Degree in Computer Science, Information Technology, Engineering, or related fields
Minimum of 5 years of hands-on experience in Linux Server Administration, with a strong focus on Red Hat Enterprise Linux (RHEL) environments
At least 5 years of experience with VMware vSphere, VMware vCenter, and Red Hat OpenStack, including deployment, administration, performance tuning, and operational support
Proven experience using Python, Ansible, and Bash for scripting and automation
Experience applying Infrastructure as Code (IaC) and configuration management practices
Strong understanding of TCP/IP, DNS, DHCP, routing, and network troubleshooting
Experience administering modern and legacy Red Hat Enterprise Linux and Linux server platforms
Strong analytical and problem-solving skills for complex server, virtualization, and network issues
Excellent communication and collaboration skills
Experience working in 24/7 enterprise production environments
Must be amenable to assigned morning, mid, or night shifts
Preferred: Relevant Red Hat certifications, including RHCSA, RHCE, or Red Hat Ansible Automation Platform certifications
Additional certifications in VMware virtualization technologies or ITIL are advantageous

Benefits

Comp & perks

Work from home
24x7 rotational support schedule
Occasional overtime and on-call support based on operational or project needs