Senior Linux & OpenShift Systems Administrator

Job#: 3027091

Job Description:

Senior Linux & OpenShift Administrator

Norco, California 92860

Secret Clearance

Responsibilities

Apex Systems is looking for a Senior Linux and OpenShift Administrator to provide senior-level administration, engineering, and operational support for Linux-based enterprise systems and container platforms, including Red Hat OpenShift, supporting mission-critical government and DoD programs. Serve as a technical authority for Linux infrastructure, container orchestration, automation, and secure system operations in classified and unclassified environments.

Responsibilities include, but are not limited to:

• Install, configure, administer, and maintain Linux operating systems (RHEL, CentOS, Rocky, or equivalent) across physical, virtual, and containerized platforms.
• Deploy, configure, administer, and sustain Red Hat OpenShift clusters, including control plane and worker nodes, storage integration, networking, and platform upgrades.
• Support containerized workloads using Kubernetes and OpenShift, including image lifecycle management, registry integration, role-based access control (RBAC), and namespace management.
• Support and maintain virtualized and hyper-converged infrastructure (VMware ESXi) hosting Linux and OpenShift environments.
• Develop and maintain automation and Infrastructure-as-Code (IaC) solutions using Ansible, Bash, Python, and CI/CD integrations to accelerate platform provisioning and consistency.
• Monitor system, cluster, and application performance; troubleshoot complex Linux, Kubernetes, and OpenShift-related issues across development, test, and production environments.
• Implement and maintain logging, monitoring, and alerting solutions for Linux systems and OpenShift clusters.
• Support backup, recovery, and disaster recovery solutions for Linux systems, container platforms, and persistent storage.

Required Skills

• Senior-level administration of Linux enterprise environments
• Hands-on experience with Red Hat OpenShift / Kubernetes
• Container platform security, RBAC, and compliance implementation
• Scripting and automation (Ansible, Bash, Python)
• Virtualization and enterprise infrastructure support
• Experience supporting mission-critical or classified systems

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. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.

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.

Employee Type:

Contract

Location:

Norco, CA, US

Job Type:

Date Posted:

April 29, 2026

Pay Range:

$86 - $115 per hour

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