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Systems Administrator Security Clearance

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Cornerstone Defense
Full Time position
Listed on 2026-03-01
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
  • IT/Tech
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Systems Administrator with Security Clearance

Systems Administrator - Full Performance (Windows + Linux)

Clearance
  • Active TS/SCI w/ Polygraph needed to apply
Company Overview

Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems.

If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

Responsibilities
  • Be able to provide support onsite, remotely, over the phone, or via email.
  • Develop solutions for systems & networks that support mission critical and mission essential infrastructure.
  • Analyze existing systems & networks and make proactive recommendations to drive change and create efficiencies.
  • Willing to perform minimal break‑fix tasks.
Requirements
  • 2 years with a bachelor's degree in an IT field; 6 years experience in lieu of a degree.
  • Experience with Windows and/or Linux Server Operating Systems.
  • Experience with Infrastructure Support.
Preferred Qualifications
  • Knowledge of Server Operating System MS 2019.
  • Knowledge of Power Shell and basic commands.
  • Knowledge of MS patching process using WSUS.
  • Knowledge of Active Directory.
  • Knowledge of RMF and A&A accreditation process.
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Position Requirements
5+ Years work experience
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