Senior Information Systems Security Engineer (TS/SCI)

Cornerstone Defense
Falls Church, Virginia 22042 United States  View Map
Posted: Jun 18, 2026
  • Full Time
  • Federal Government
  • Summary

    Cornerstone Defense LLC is seeking an Information Systems Security Engineer in Tysons, VA. This role involves leading automated security testing efforts, ensuring system security, and delivering critical vulnerability reports.The ideal candidate will have 4-7 years of experience in cybersecurity with a strong background in accreditation and authorization processes. An Active TS/SCI with Polygraph clearance is necessary for this position, offering a comprehensive benefits package.#J-18808-Ljbffr

  • Job Description

    Cornerstone Defense LLC is seeking an Information Systems Security Engineer in Tysons, VA. This role involves leading automated security testing efforts, ensuring system security, and delivering critical vulnerability reports.The ideal candidate will have 4-7 years of experience in cybersecurity with a strong background in accreditation and authorization processes. An Active TS/SCI with Polygraph clearance is necessary for this position, offering a comprehensive benefits package.#J-18808-Ljbffr

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