Systems Administrator

  • ManTech
  • Chantilly, Virginia
  • Full Time

ManTech seeks a motivated, career and customer-oriented Systems Administrator to join our team in Chantilly, Virginia .

As a Systems Administrator on our team, you will support a high visibility program that offers challenging positions with significant impact on national security.

Responsibilities include but are not limited to:

  • Install, configure, and maintain servers, networks, and computer systems
  • Manage software updates, handle security patches, and troubleshoot any technical issues that may arise.
  • Monitor and track system health.
  • Recognize unusual network activity, which may involve security-sensitive actions like illicit network access or data transfer.

Minimum Qualifications:

  • Bachelors degree and 4+ years of experience in systems administration or High School Diploma and 8+ years of experience
  • Experience with Linux, Windows Server and Active Directory
  • Experience with Splunk or similar tool

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time.
Job ID: 490374745
Originally Posted on: 8/22/2025

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