Red Hat Platform Engineer

Castellum Inc, a defense-oriented technology company, seeks a Red Hat Platform Engineer to design, secure, and optimize Red Hat-based environments for mission-critical defense and cybersecurity systems. In this dynamic Information Technology role, you will architect and maintain RHEL and related platforms, leveraging automation (Ansible, CI/CD) to standardize deployments, patching, and configuration management. You will harden systems to DoD and industry security standards, support OpenShift/Kubernetes infrastructure, and collaborate with cybersecurity and development teams to ensure resilient, compliant, and high-performing services. Operating in a dynamic, inclusive culture focused on innovation in defense tech, you will help drive continuous improvement, document best practices, and support incident response and root-cause analysis. Castellum offers competitive compensation, comprehensive benefits, and growth opportunities in cutting-edge information and electronic warfare technologies.