Linux Subject Matter Expert

Job ID: 113497
Location: Oakland, California  [Hybrid]
Category: Infrastructure
Employment Type: Direct Hire
Date Added: 09/04/2026
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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.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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