Senior Linux Systems Administrator

Senior Linux Systems Administrator

Clearance: Secret or Top Secret clearance required

Location: Norco, California (Onsite)

Role Overview

This position provides senior-level administration, engineering, and operational support for a Linux-based enterprise system. The role serves as a technical authority for Linux infrastructure, container orchestration, automation, and secure system operations. This opportunity is within a growing research organization maturing into a more enterprise-grade operation. The team requires an individual who can lead Linux administrators, drive automation initiatives, modernize infrastructure, and help establish enterprise-level operational practices within a disconnected, on-premises environment.

Key Responsibilities

• Lead and mentor a team of Linux administrators.
• Drive modernization efforts across the Linux infrastructure.
• Design and implement automation solutions to reduce manual operational work.
• Develop roadmaps and future-state architecture recommendations.
• Support and maintain Red Hat Enterprise Linux environments.
• Improve system reliability, availability, and operational maturity.
• Partner with engineering and scientific teams to support AI and research initiatives.
• Assist with infrastructure standardization and enterprise best practices.
• Work with teams responsible for vulnerability management and remediation efforts.
• Develop and maintain automation and Infrastructure-as-Code (IaC) solutions using Ansible integrations.
• Monitor system, cluster, and application performance and troubleshoot complex issues.
• Support backup, recovery, and disaster recovery solutions for Linux systems and container platforms.
• Provide technical briefings and system status updates to leadership.

Required Qualifications

• Red Hat Enterprise Linux administration experience.
• Expertise with Ansible and infrastructure automation.
• Experience designing and implementing enterprise Linux environments.
• Leadership experience overseeing Linux administrators or engineering teams.
• Troubleshooting skills across Linux systems and services.
• Experience with Red Hat Satellite and Identity Management (IdM).
• Familiarity with Atlassian products and enterprise application support.
• Experience supporting highly available infrastructure environments.
• Ability to translate modern enterprise infrastructure practices into a disconnected, on-prem environment.
• CompTIA Sec+ or IAT Level 2 certification.

Preferred Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Seven or more years of experience as a System Administrator with a focus on Linux systems.
• Experience in government or other classified environments.
• DevSecOps and CI/CD pipeline integration experience.
• Red Hat Certified Engineer (RHCE) or Red Hat Certified Architect (RHCA).

Work Environment

• Ability to work in data centers and secure facilities.
• This position is 100% onsite.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

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Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

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