Linux and OpenShift Administrator, Senior

Job description

Overview Bowhead is seeking 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. This position is 100% onsite. Responsibilities: - 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 prac...