The successful candidate will provide systems administration and infrastructure automation support to the Test Resource Management Center's (TRMC) All Domain Test Range (ADTR) and INDOPACOM Pacific-Rim Multi-Domain Training and Experimentation Capability Team, Joint Mission Environment Test Capability (JMETC) Secret Network (JSN) Node, JMETC Multiple Independent Levels of Security Network (JMN) Node, Secret Defense Research and Engineering Network (SDREN), and Defense Research and Engineering Network (DREN). Configuration Management & Automation: Develop, test, and maintain reusable Ansible playbooks, roles, and collections to automate baseline provisioning, system hardening, recurring patching cycles, and configuration drift remediation.