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# Systems Administrator (TS/SCI)

- **Company:** The Summit
- **Location:** Warrenton, VA, United States
- **Salary:** $100,000.0 - $140,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Backup Devices, Software Documentation, CompTIA Security+, Information Systems, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Microsoft Exchange Server, Hyper-V, Networking Hardware, Network Troubleshooting, Network Connections, Office Suite, Performance Tuning, Windows PowerShell, Red Hat Enterprise Linux, Software Deployment, Virtualization Technology, Wide Area Networks, Storage Technologies, Information Technology, Routing & Switching, Windows Services, Network Server, Wsus, User Accounts, Vmware
- **Published:** October 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=10c144f249732d56

## About the Role

The ideal candidate will possess a strong technical background and demonstrate a commitment to quality, with a solid grasp of systems administration principles and basic network administration. The candidate should be self-driven, capable of managing multiple projects independently and in collaboration with team members. Excellent troubleshooting abilities and the determination to resolve challenges are crucial for success in this role., * Associate or bachelor's degree in computer science or related degree OR at least three (3) years of IT or related experience. Special preference for systems administrator support.

 * Top Secret/SCI with CI Polygraph
 * CompTIA Security+ Certification
 * Office Applications Administration
 * Active Directory Administration
 * Windows 10/11 Administration
 * Excellent customer service skills
 * Ability to work independently and a strong desire for personal and professional development
 * Ability to identify and evaluate trends in industry best practices and policies
 * Hands on experience with Network troubleshooting, DNS failures, domain administration, pings, network connectivity status'
 * Backup Management

Preferred Education, Experience,Skills

 * Experience with Active Directory and Group Policy
 * Experience with VMWare
 * Experience with Microsoft Exchange
 * Experience with Windows Update Services (WSUS)
 * Experience with Host-based Security Services (HBSS)
 * Experience with Assured Compliance Assessment Solution (ACAS)
 * Experience with Linux (Red Hat or others)
 * Experience with Storage Technologies
 * Experience with LAN/WAN, switching technologies
 * Experience with PowerShell Scripting and automation
 * Experience working with Intelligence Community accredited systems
 * Experience working with DCSA/DoD accredited systems

Work Conditions

Work is typically performed in an office environment. Must be able to remain in a stationary position for extended periods of time. The person in this position may need to occasionally move about inside the office to access file cabinets, office machinery, etc. Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer. May occasionally need to position self to maintain computers, including under the desks and in the server closet. The person in this position frequently communicates with employees and clients. Must be able to exchange accurate information in these solutions.

## Description

Key duties will involve administering user accounts, maintaining comprehensive system documentation, optimizing system performance, installing software across the network, managing updates and patches, addressing vulnerabilities, ongoing systems operations and maintenance, etc. You may also need to interact directly with users remotely or onsite to help them troubleshoot issues with their system. Additionally, you will oversee installations, manage backup recovery processes, and develop policies for the efficient use of computing resources. Mentoring less experienced staff may also become part of your responsibilities. Traveling locally between multiple customer locations within Northern VA should be expected., * Oversee the Windows and Active Directory Services infrastructure

 * Manage DNS, DHCP, and various Windows services
 * Configure and troubleshoot group policies
 * Maintain and optimize virtualization environments (VMware or Hyper-V)
 * Manage Windows Update Services (WSUS)
 * Oversee the Assured Compliance Assessment Solution (ACAS) scanning infrastructure and conduct necessary scans and remediations
 * Setup and maintain the local Host-Based Security System (HBSS) service
 * Manage Microsoft Exchange Server services infrastructure
 * Install and troubleshoot workstations, servers, network devices, printers, etc. based on specified requirements
 * Ensure compliance with information systems IAVM/STIG with assistance from ISSOs
 * Install and configure Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) software

Additional responsibilities include, but are not limited to:

 * Fast turnaround of escalated requests
 * Ability to work in a team and communicate effectively
 * Responsible for entering all time and expenses as they occur
 * Continuous education, expansion, and refinement of technical knowledge, and credibility through industry standard certifications
 * Interpret and discuss information with others and regularly provide and recommend actions involving complex issues
 * Demonstrate professional attitude with clients and team members and enhance relationships.
 * Other duties as assigned