Senior Linux & OpenShift Engineer (RHCE) - Onsite

UICGS / Bowhead Family of Companies; Corona (CA); On-site; USD 140,000 - 180,000; Full time

Job summary

Bowhead Family of Companies seeks a Senior Linux & OpenShift Systems Administrator to join the Corona IT program. The role provides senior-level Linux administration, engineering, and operational support for enterprise systems and container platforms on mission-critical DoD programs.

Requirements include RHCE or RHCA, 7+ years in Linux system administration, RBAC/security compliance, and scripting with Ansible, Bash, Python.

Qualifications

• Bachelor's degree in Computer Science, Information Technology or a related field.
• Seven plus (7+) years of experience as a System Administrator with a strong focus on Linux systems.
• Senior-level administration of Linux enterprise environments.
• Hands-on experience with Red Hat and Kubernetes.
• Container platform security, RBAC, and compliance implementation.
• Scripting and automation (Ansible, Bash, Python).
• Virtualization and enterprise infrastructure support.
• Experience with mission-critical or classified systems.
• Strong troubleshooting, documentation, and communication skills.
• Ability to work independently and lead technical efforts.

Responsibilities

• Install, configure, administer, and maintain Linux operating systems across physical, virtual, and containerized platforms.
• Deploy, configure, administer, and sustain OpenShift clusters including storage, networking, and upgrades.
• Support containerized workloads using Kubernetes/OpenShift including RBAC and namespace management.
• Perform system hardening, patching, and vulnerability remediation per DoD STIGs, RMF, and cybersecurity requirements.
• Support and maintain VMware ESXi hosting Linux and OpenShift environments.
• Develop and maintain automation and IaC using Ansible, Bash, Python and CI/CD integrations.
• Monitor, troubleshoot, and optimize Linux, Kubernetes, and OpenShift performance across environments.
• Implement logging, monitoring, and alerting solutions for Linux and OpenShift.
• Support backup, recovery, and disaster recovery for Linux systems and containers.
• Collaborate with cybersecurity, networking, DevSecOps, SOC/NOC, and application teams.

Skills

Linux administration

OpenShift

Kubernetes

Automation

Scripting (Bash/Python)

Ansible

VMware ESXi

CI/CD

Security & compliance

Documentation

Education

Bachelor's degree in Computer Science/Information Technology

Tools

Red Hat Enterprise Linux

OpenShift

Kubernetes

Ansible

CI/CD tooling

VMware ESXi

Job description

Bowhead Family of Companies seeks a Senior Linux & OpenShift Systems Administrator to join the Corona IT program. The role provides senior-level Linux administration, engineering, and operational support for enterprise systems and container platforms on mission-critical DoD programs.

Requirements include RHCE or RHCA, 7+ years in Linux system administration, RBAC/security compliance, and scripting with Ansible, Bash, Python.