Linux Subject Matter Expert

GDH; Oakland (CA); Hybrid; USD 105,000 - 140,000; Full time

Job summary

GDH in Oakland, CA is seeking an experienced Senior Linux Administrator to oversee enterprise Linux environments, primarily RHEL. You will design, deploy, support, and maintain Linux systems, ensuring security and compliance while modernizing infrastructure.

The role emphasizes automation using Ansible, IaC practices, and collaboration with application and infrastructure teams. Hybrid on-site/remote work is offered; responsibilities include building RHEL Gold Images, patching, and cloud

Qualifications

• 7+ years of enterprise Linux administration experience.
• Extensive experience with Red Hat Enterprise Linux (RHEL).
• Proven experience building and maintaining RHEL Gold Images.
• Hands-on experience with Red Hat Satellite administration.
• Strong automation skills using Ansible Automation Platform.
• Proficiency in Bash, Shell, or Python scripting.
• Experience creating and deploying RPM packages for enterprise applications.

Responsibilities

• Design, deploy, and administer enterprise Linux environments based on RHEL.
• Build, maintain, and enhance standardized RHEL Gold Images per security standards.
• Perform OS upgrades, patch management, vulnerability remediation, and lifecycle management.
• Administer Red Hat Satellite infrastructure, including provisioning and content management.
• Develop and implement automation using Ansible; create playbooks, roles, and frameworks.
• Automate server provisioning, configuration, patching, and IaC-driven processes.
• Develop and maintain automation scripts in Bash/Python to boost efficiency.
• Lead modernization, platform upgrades, data center migrations, and cloud integration.
• Collaborate with application and infrastructure teams to onboard and support enterprise systems.
• Create and maintain documentation and standard operating procedures.

Skills

Enterprise Linux

RHEL

Ansible Automation

Bash scripting

Python scripting

Red Hat Satellite

RPM packaging

Automation / IaC

Tools

Ansible Automation Platform

Red Hat Satellite

Terraform

VMware / virtualization

Job description

Role Summary
This role involves overseeing and managing enterprise Linux environments, primarily based on Red Hat Enterprise Linux (RHEL). The individual will be responsible for designing, deploying, supporting, and maintaining Linux systems, ensuring they meet security and compliance standards. The position also includes developing automation solutions to optimize operational efficiency and modernize infrastructure.

Role Summary
This role involves overseeing and managing enterprise Linux environments, primarily based on Red Hat Enterprise Linux (RHEL). The individual will be responsible for designing, deploying, supporting, and maintaining Linux systems, ensuring they meet security and compliance standards. The position also includes developing automation solutions to optimize operational efficiency and modernize infrastructure.
Responsibilities

• Design, deploy, and administer enterprise Linux environments primarily based on RHEL.
• Build, maintain, and enhance standardized RHEL Gold Images in accordance with security and compliance standards.
• Perform OS upgrades, patch management, vulnerability remediation, and lifecycle management for Linux systems.
• Administer and maintain Red Hat Satellite infrastructure, including server provisioning, patch management, and content management.
• Develop and implement automation solutions using Ansible, including creating playbooks, roles, and automation frameworks.
• Automate server provisioning, configuration management, patching, and operational processes employing Infrastructure as Code (IaC) best practices.
• Develop and maintain automation scripts using Bash, Python, or Shell scripting to improve operational efficiency.
• Lead and support infrastructure modernization, platform upgrades, data center migrations, and cloud integration projects.
• Collaborate with application and infrastructure teams to onboard and support enterprise systems and platforms.
• Create and maintain documentation, operational procedures, and standards to ensure consistent system support.
  

Qualifications

• 7+ years of enterprise Linux administration experience.
• Extensive experience working with Red Hat Enterprise Linux (RHEL).
• Proven experience building and maintaining RHEL Gold Images.
• Hands-on experience with Red Hat Satellite administration.
• Strong skills in automation using Ansible Automation Platform.
• Proficiency in scripting with Bash, Shell, or Python.
• Experience creating and deploying RPM packages supporting enterprise applications.
• Support for large-scale enterprise infrastructure environments.
• Strong troubleshooting, performance tuning, and system optimization skills.
• Excellent communication and documentation capabilities.
  

Preferred Qualifications

• Experience with Amazon Web Services (AWS).
• Familiarity with Microsoft Azure cloud platform.
• Knowledge of Terraform and Infrastructure as Code practices.
• Experience with VMware, virtualization, or hybrid cloud environments.
• Understanding of CI/CD pipelines and DevOps methodologies.
• Red Hat certifications such as RHCSA or RHCE.
  

Publishing Pay Range: $105,000.00 – $140,000.00 annually
This position offers a hybrid schedule, combining both on-site and remote work components.