Cyber Penetration Tester

Herndon, VAFull-timePosted Jul 27, 2026

Overview

VTG is seeking a Cyber Penetration Tester with experience performing penetration testing, network security analysis, and security architecture assessments. The ideal candidate will have a strong background in identifying vulnerabilities, evaluating enterprise systems, and developing risk mitigation strategies across Windows, Linux, and virtual environments. 

Responsibilities

  • Perform cyber penetration testing to identify security vulnerabilities across enterprise environments.
  • Apply computer attack methods and system exploitation techniques to evaluate system security.
  • Assess and implement IT security architecture to improve overall security posture.
  • Conduct network security analysis and evaluate network architectures for potential risks.
  • Utilize network management tools to monitor, assess, and analyze network environments.
  • Leverage adversarial tactics to perform hands-on security testing and validate defensive controls.
  • Develop risk management methodologies and recommend security improvements.
  • Analyze penetration testing results and develop risk and threat mitigation plans.
  • Test and review system configurations, development, and design with a focus on enterprise systems and hypervisors.
  • Design, test, and implement complex Windows-based environments.
  • Work with Linux, Windows, and virtual platforms while applying cybersecurity best practices.

Qualifications

  • Active TS/SCI with Polygraph
  • Demonstrated work experience in cybersecurity or a related IT field.
  • Demonstrated experience with cyber penetration testing.
  • Demonstrated experience applying computer attack methods and system exploitation techniques.
  • Demonstrated working knowledge of cybersecurity principles for Linux, Windows, and virtual platforms.
  • Demonstrated experience designing, testing, or implementing IT security architecture.
  • Demonstrated experience performing network security analysis.
  • Demonstrated experience analyzing network architectures.
  • Demonstrated experience using network management tools.
  • Demonstrated experience leveraging adversarial tactics to conduct hands-on security testing.
  • Demonstrated experience developing risk management methodologies.
  • Demonstrated experience analyzing test results to develop risk and threat mitigation plans.
  • Demonstrated experience testing or reviewing system configuration, development, and design for enterprise systems and hypervisors.
  • Demonstrated experience designing, testing, or implementing complex Windows installations.

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