Senior Linux Administrator - On-Site (RHEL/VMware)

GovCIO; San Antonio (TX); On-site; USD 95,000 - 135,000; Full time

Benefits offered by this job

Employee Assistance Program (EAP)

Corporate Discounts

Learning & Development platform

Training, Education and Certification

Referral Bonus Program

Internal Mobility Program

Pet Insurance

Flexible Work Environment

Job summary

Responsibilities include patching, vulnerability remediation, scripting, and maintaining system records. On-site work will involve collaboration with 616 OC partners and tight adherence to procedures.

Qualifications

• Hands-on production Linux administration experience, including recent RHEL experience and command-line troubleshooting.

Responsibilities

• Install, configure, maintain, patch, and troubleshoot Linux servers using approved build standards, maintenance windows, and change procedures.
• Review vulnerability scans and DISA STIG findings; apply approved OS fixes, test results, and document exceptions for cybersecurity review.
• Monitor availability, services, logs, storage, capacity, and performance; identify emerging issues and open or update work tickets before customer impact.
• Troubleshoot service, package, storage, network, authentication, certificate, and VM issues; document findings and elevate issues requiring architectural decisions.
• Administer accounts, permissions, SSH, sudo, firewalls, scheduled jobs, backups, and system services.
• Create or improve Bash scripts and use Ansible automation to reduce repetitive tasks; test changes and maintain in repositories.
• Support Linux VMs in VMware vSphere/vCenter, provisioning, guest tools, snapshots, resource checks, coordination with virtualization admins.
• Assist with server builds, OS upgrades, migrations, restores, and decommissioning under senior guidance.
• Support Linux-hosted applications, including Elastic Stack and VDI components; coordinate app-layer issues with owners.
• Maintain accurate system records, SOPs, troubleshooting notes, and patching/security remediation evidence.
• Coordinate schedules/status with cybersecurity, networking, virtualization, applications, and 616 OC customers.

Skills

Linux Admin

RHEL

Systemd & Logs

Patching & Security

Satellite

Bash Scripting

Ansible

VMware vSphere

Troubleshooting

Security Procedures

Security Baselines

Education

High School Diploma with 9+ years experience

Tools

Red Hat Satellite

VMware vSphere

Ansible

Puppet

SaltStack

Chef

Git

Python

Job description

Responsibilities include patching, vulnerability remediation, scripting, and maintaining system records. On-site work will involve collaboration with 616 OC partners and tight adherence to procedures.