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Systems Administrator; TS​/SCI

Job in Warrenton, Fauquier County, Virginia, 22186, USA
Listing for: Summit7
Full Time position
Listed on 2026-10-31
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, IT Support, Network Administrator
Salary/Wage Range or Industry Benchmark: 100000 - 140000 USD Yearly USD 100000.00 140000.00 YEAR
Job Description & How to Apply Below

Clearance: Top Secret/SCI with CI Polygraph

Location: Warrenton, VA

SOC Code: 15-1244

Salary*: $100,000 - $140,000

Summit 7 is here to rise above the ordinary. The work we do here goes far beyond day-to-day projects - it further protects the US defense industrial base from cyber threats, fosters thought leadership, and creates growth opportunities. Our support staff, sales team and technicians are all coming together to make a difference. We also recognize that you're a person with life beyond work, that's why we invest in these meaningful health and welfare benefits:

  • Excellent health benefits from BCBS
  • Smile brighter with Ameritas dental
  • See into the future with our luxurious VSP vision benefits
  • Prepare for the long-haul courtesy of our 401k with company matching
  • 10 days' vacation, 7 days sick time
  • Bonuses and salary increase potential via our certifications plan

We do cool work here, defying expectations by simply being who we are - each of us makes an impact.

Position Summary:

Job Overview

We are seeking a Systems Administrator to join our Cleared IT Support Team. This role involves collaborating with a group of dedicated Systems Administrators and IT specialists. The primary responsibility of our support team is to ensure the seamless operation of several different multi-user computer networks to include WANs and Standalones. This includes collaborating with network engineers, ISSOs, ISSMs, monitoring system resources, and managing security administration tasks.

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.

Ideal Candidate Profile

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.

Key Responsibilities
  • 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
Requirements for Position
  • 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…
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