Linux SME and OpenShift Administrator
UICGS / Bowhead Family of Companies, Corona, CA, United States
Bowhead seeks a Linux SME to join our team on the Corona IT program. The successful candidate will have experience deploying and administering OpenShift. The Linux SME will 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 and serve as a technical authority for Linux infrastructure, container orchestration, automation, and secure system operations in classified and unclassified environments.
This position is 100% onsite.
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.
Perform system hardening, patching, and vulnerability remediation in accordance with DoD STIGs, RMF, and cybersecurity requirements, including container security best practices.
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.
Collaborate with cybersecurity, networking, DevSecOps, SOC/NOC, and application teams to ensure secure, resilient, and compliant operations.
Develop and maintain technical documentation including build guides, SOPs, platform architecture diagrams, and configuration baselines.
Participate in security assessments, audits, inspections, and Authority to Operate (ATO) activities.
Provide mentorship and technical leadership to junior Linux and container platform administrators.
Provide technical briefings and system status updates to program leadership and government stakeholders as required.
The Senior Linux & OpenShift Systems Administrator reports to the Program Manager or IT Lead.
Other duties as assigned.
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.
Experience deploying and administering OpenShift.
Senior‑level administration of Linux enterprise environments.
Hands‑on experience with Red Hat OpenShift and 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.
Strong troubleshooting, documentation, and communication skills.
Ability to work independently and lead technical efforts.
Certifications
CompTIA Sec+ and one of the following
Red Hat Certified Engineer (RHCE)
Red Hat Certified Architect (RHCA)
Preferred Qualifications
Experience in DoD, classified, or SAP environments
DevSecOps and CI/CD pipeline integration experience
LPIC‑2 & LPIC‑3 (Linux Professional Institute)
Linux Foundation Certified Engineer (LFCE)
Certified Kubernetes Administrator (CKA)
GIAC Certified UNIX Security Administrator (GCUX)
SECURITY CLEARANCE REQUIREMENTS
Must currently hold a security clearance at the minimum Secret level.
Physical Demands
Ability to work in data centers, secure facilities, and operational environments
Must be able to lift up to 25 pounds
Must be able to stand and walk for prolonged amounts of time
Must be able to twist, bend and squat periodically
#J-18808-Ljbffr
This position is 100% onsite.
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.
Perform system hardening, patching, and vulnerability remediation in accordance with DoD STIGs, RMF, and cybersecurity requirements, including container security best practices.
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.
Collaborate with cybersecurity, networking, DevSecOps, SOC/NOC, and application teams to ensure secure, resilient, and compliant operations.
Develop and maintain technical documentation including build guides, SOPs, platform architecture diagrams, and configuration baselines.
Participate in security assessments, audits, inspections, and Authority to Operate (ATO) activities.
Provide mentorship and technical leadership to junior Linux and container platform administrators.
Provide technical briefings and system status updates to program leadership and government stakeholders as required.
The Senior Linux & OpenShift Systems Administrator reports to the Program Manager or IT Lead.
Other duties as assigned.
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.
Experience deploying and administering OpenShift.
Senior‑level administration of Linux enterprise environments.
Hands‑on experience with Red Hat OpenShift and 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.
Strong troubleshooting, documentation, and communication skills.
Ability to work independently and lead technical efforts.
Certifications
CompTIA Sec+ and one of the following
Red Hat Certified Engineer (RHCE)
Red Hat Certified Architect (RHCA)
Preferred Qualifications
Experience in DoD, classified, or SAP environments
DevSecOps and CI/CD pipeline integration experience
LPIC‑2 & LPIC‑3 (Linux Professional Institute)
Linux Foundation Certified Engineer (LFCE)
Certified Kubernetes Administrator (CKA)
GIAC Certified UNIX Security Administrator (GCUX)
SECURITY CLEARANCE REQUIREMENTS
Must currently hold a security clearance at the minimum Secret level.
Physical Demands
Ability to work in data centers, secure facilities, and operational environments
Must be able to lift up to 25 pounds
Must be able to stand and walk for prolonged amounts of time
Must be able to twist, bend and squat periodically
#J-18808-Ljbffr