Infrastructure System Administrator

Resource Management Concepts, Inc.; Town of Texas (WI); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

11 federal holidays paid vacation

Healthcare plans

Pet insurance

401K plan

Job summary

Resource Management Concepts, Inc. seeks an entry-level Windows System Administrator to support a DoD environment by maintaining Windows servers and workstations, managing Active Directory, applying STIGs, and performing basic troubleshooting under senior engineers.

You will help ensure operational readiness, security compliance, and end-user support in a compliant, mission-critical IT setting, with opportunities for training, certifications, and career growth.

Qualifications

• Active DoD Secret clearance required.
• 1-3 years of experience with Active Directory.
• CompTIA Security+ certification.

Responsibilities

• Install, configure, and maintain Windows servers and workstations.
• Manage user accounts, permissions, and security settings in AD.
• Perform patch management and vulnerability remediation.
• Monitor systems and troubleshoot connectivity, security incidents, and DoD compliance.

Skills

Active Directory

DoD Security Clearance

Cybersecurity basics

Job description

This role is an entry-level Windows System Administrator in a Department of Defense (DoD) environment who maintains and secures Windows servers and workstations, manages Active Directory, applies Security Technical Implementation Guides (STIGs), and performs basic troubleshooting. This role supports day-to-day operations, system maintenance, and user administration within a secure military or contractor IT infrastructure. You will work under the guidance of senior engineers to ensure operational readiness, system availability, and strict adherence to federal compliance standards.

This role is responsible for administering, maintaining, and securing enterprise IT systems that support mission-critical Department of Defense (DoD) operations. The ideal candidate brings a proactive approach to system reliability, cybersecurity compliance, and end-user support in a dynamic operational environment.

Key Responsibilities

• Install, configure, and maintain hardware and software systems, including workstations, file servers, and web servers.

• Administer user accounts, permissions, and access controls in accordance with DoD security requirements.

• Perform system upgrades, patch management, and vulnerability remediation.

• Monitor system performance and troubleshoot issues related to network connectivity, system functionality, and cybersecurity incidents.

• Implement and manage security tools such as firewalls, antivirus solutions, and intrusion detection systems.

• Ensure system configurations remain compliant with DoD cybersecurity policies and Cyber Workforce (CWF) requirements.

• Develop, maintain, and update system documentation, standard operating procedures, and user guides.

• Provide responsive, customer-focused technical support and training to end users.

• Collaborate with cross-functional teams to support operational and project-based IT initiatives.

• Active DoD Secret clearance

• 1-3 years of experience working with Active Directory in an IT organization

• CompTIA Security+

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.