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System Administrator Tier II

Resource Management Concepts, Inc.
Crane, Indiana, United States Posted Oct 15, 2026
Full-time

About this role

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

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