Penetration Tester - TS/SCI with Polygraph

General Dynamics Information Technology•McLean, VA
•Onsite

About The Position

GDIT is hiring a Penetration Tester to support customer activities and provide cybersecurity services. The role conducts security testing and reviews across networks, web applications, databases, and cloud services, helping identify and address vulnerabilities, misconfigurations, and compliance issues. The tester prepares and presents actionable findings and recommendations to technical teams, project managers, and senior government stakeholders. The position is onsite at a customer location in McLean, Virginia. It requires an active TS/SCI clearance with polygraph and U.S. citizenship. The role is scheduled for 40 hours per week, with less than 10% travel required.

Requirements

  • Bachelor's degree in Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline.
  • At least 6 years of related experience.
  • U.S. citizenship.
  • Must currently possess an active TS/SCI clearance with polygraph.
  • Experience with NIST 800-53, NIST 800-115, and the Risk Management Framework.

Nice To Haves

  • CEH (Certified Ethical Hacker) certification.
  • CPT (Certified Penetration Tester) certification.
  • Strong writing skills.
  • Experience with AWS cloud security.

Responsibilities

  • Conduct internal and external penetration testing of networks, web applications, databases, and cloud services.
  • Manually exploit and compromise systems, including performing privilege escalation and lateral movement.
  • Identify vulnerabilities, misconfigurations, and compliance issues.
  • Write final reports and defend findings, including explanations of risks or vulnerabilities, mitigation strategies, and references.
  • Meet and coordinate with developers, system administrators, project managers, and senior government stakeholders.
  • Provide security recommendations to technical teams, project managers, and senior government stakeholders.
  • Report vulnerabilities identified during security assessments.
  • Write penetration testing Rules of Engagement (RoE), test plans, and Standard Operating Procedures (SOP).
  • Produce actionable, threat-based reports on security testing results.
  • Conduct security reviews and technical research, and provide reporting to improve security defense mechanisms.

Benefits

  • 401(k) with company match.
  • Medical plan options, including options with Health Savings Accounts.
  • Dental plan options.
  • Vision plan.
  • Paid education and certifications.
  • Professional growth opportunities and internal mobility support.
  • Paid vacation and holidays.
  • Paid time off plans that include vacation, sick and personal time, holidays, and paid parental, military, bereavement, and jury duty leave.
  • Short- and long-term disability benefits.
  • Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance.
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