Junior Penetration Tester — National Security Cyber Ops

General Dynamics Information Technology, Inc.; Ashburn (VA); On-site; USD 91,000 - 124,000; Full time

Job summary

The Penetration Tester Junior role at General Dynamics Information Technology, Inc. supports the CBP Cyber Security Directorate in frontline vulnerability assessment and testing across mission-critical systems.

You will work with seasoned analysts to identify weaknesses and document findings for remediation, enabling secure mission execution and risk reduction. Applicants should have 3+ years in cybersecurity or vulnerability assessment, with hands-on experience using standard testing tools,

Qualifications

• 3+ years of cybersecurity or vulnerability assessment experience.
• Experience executing penetration tests, gathering evidence, documenting vulnerabilities, and validating system weaknesses.
• Experience with common penetration testing tools (Nmap, Nessus, Burp Suite, Metasploit).
• Strong analytical and documentation skills.
• Understanding of exploit development concepts and offensive tooling.

Responsibilities

• Assist in performing penetration tests across applications, endpoints, networks, cloud systems, and mission-critical environments.
• Run discovery and enumeration tasks using industry-standard testing tools.
• Execute basic exploitation steps under direction of senior testers.
• Document vulnerabilities with clear descriptions, reproduction steps, and severity scoring.
• Contribute to penetration testing reports by drafting technical sections and summaries.

Skills

Cybersecurity Operations

Incident Response

Network Penetration Testing

Security Operations

Vulnerability Remediation

Education

Bachelor’s degree in information technology, computer science, cybersecurity or a related field

Tools

Nmap

Nessus

Burp Suite

Metasploit

Job description

The Penetration Tester Junior role at General Dynamics Information Technology, Inc. supports the CBP Cyber Security Directorate in frontline vulnerability assessment and testing across mission-critical systems.

You will work with seasoned analysts to identify weaknesses and document findings for remediation, enabling secure mission execution and risk reduction. Applicants should have 3+ years in cybersecurity or vulnerability assessment, with hands-on experience using standard testing tools,