Resource Management Concepts, Inc. (RMC) delivers high-quality management and technology solutions that support the protection and preservation of the people and environment of the United States. RMC is seeking a System Administrator to provide IT support for our customer 100% on-site at the Naval Surface Warfare Center (NSWC) in Crane, Indiana. The selected candidate will support RDT&E and SRDT&E networks and connected or standalone laboratory environments. This role requires an independent, customer-focused professional who can troubleshoot issues, maintain secure systems, and support mission-critical IT operations. Responsibilities • Troubleshoot Windows workstation hardware, software, and operating system issues. • Support system integration, workstation lifecycle, and specialized software installation, maintenance, and removal. • Administer Active Directory and support Windows-based environments. • Manage ServiceNow (SNOW) tickets, service requests, and technical documentation. • Perform patch management, vulnerability remediation, and system hardening in accordance with DoD requirements. • Apply Security Technical Implementation Guides (STIGs) and develop required compliance artifacts. • Maintain hardware and software inventory records and support Information Assurance compliance activities. • Create and maintain system, network, and configuration documentation. • Research commercial off-the-shelf (COTS) and open-source software solutions. • Perform other duties as assigned. Requirements • Three or more years of IT experience. • Experience supporting and troubleshooting Windows workstations. • Experience with patch management, vulnerability remediation, and DoD system-hardening requirements. • Active Security+, SecurityX/CASP+, CISSP, or equivalent DoD 8570.01 IAT Level II or III certification. • Ability to work independently in a technical laboratory environment. Security Clearance • An interim DoD Secret clearance or higher is required to start. The selected candidate must meet eligibility requirements for access to classified information. Preferred Qualifications • Linux and Windows Server administration. • Virtual machine and storage administration. • Microsoft NAP/RADIUS authentication. • HBSS management. • Development of system and network diagrams. Benefits At RMC, we're committed to your career growth! RMC differentiates itself from other firms through its investment in our employees. We invest our resources to train, certify, educate, and build our employees. RMC can offer you a great place to work with a small company feel and give you the experience, tuition assistance, and certifications that will take your career to the next level. This also includes a competitive paid vacation package with 11 paid federal holidays. Additionally, we also offer high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package. Salary at RMC is determined by various factors, including but not limited to location, a candidate's specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $75,000 to $90,000 (annually). #LI-MB1