Penetration Tester Jobs

127 jobs found — updated daily

Penetration Tester Junior

General Dynamics Information Technology•Ashburn, VA
•$91,375 - $123,625•Onsite

About The Position

The Penetration Tester Junior will support the U.S. Customs and Border Protection (CBP) Cyber Security Directorate’s cybersecurity operations, which protect the digital infrastructure safeguarding America’s borders. The role contributes to identifying, validating, documenting, and communicating vulnerabilities and supports continuous improvement of security controls across mission-critical systems. The position assists with penetration testing of applications, endpoints, networks, cloud systems, and mission-critical environments. It uses industry-standard tools for discovery, enumeration, and testing; performs basic exploitation under senior tester direction; records evidence and artifacts; supports post-exploitation analysis; documents findings and contributes to reports; works with technical and cybersecurity stakeholders on remediation; and participates in retesting. The position is onsite in Ashburn, Virginia, with 40 scheduled weekly hours and less than 10% travel required.

Requirements

  • At least three years of cybersecurity or vulnerability assessment experience.
  • Experience executing penetration tests, gathering evidence, documenting vulnerabilities, and validating system weaknesses.
  • Experience using common penetration testing tools, such as Nmap, Nessus, Burp Suite, and Metasploit, to run scripts, support senior testers, and improve assessment quality.
  • Strong analytical, problem-solving, and documentation skills.
  • Understanding of exploit development concepts, offensive tooling, and common security control weaknesses.
  • Ability to maintain testing notes, scripts, and tool configurations to support repeatability and compliance.
  • Ability to develop structured documentation, perform technical writing, and communicate effectively with technical and non-technical audiences.
  • U.S. citizenship required.

Nice To Haves

  • CompTIA PenTest+ certification.
  • eJPT or eCPPT certification.
  • Bachelor’s degree in information technology, computer science, cybersecurity, or a related field.
  • Previous or current CBP Background Investigation.

Responsibilities

  • Assist with penetration tests across applications, endpoints, networks, cloud systems, and mission-critical environments.
  • Run discovery and enumeration tasks using tools such as Nmap, Nessus, Burp Suite, Metasploit, and similar utilities.
  • Execute basic exploitation steps under the direction of senior testers to validate identified vulnerabilities.
  • Gather and document exploitation artifacts, screenshots, logs, payload outputs, and supporting evidence.
  • Support post-exploitation analysis by capturing privilege escalation paths, lateral movement opportunities, and insecure configurations.
  • Document vulnerabilities with descriptions, reproduction steps, and severity scoring.
  • Draft technical sections of penetration testing reports and summarize findings for stakeholders.
  • Work with system owners, developers, engineers, and cybersecurity teams to clarify findings and support remediation.
  • Participate in retesting to confirm remediation and track closure progress.

Benefits

  • Medical plan options, some with Health Savings Accounts.
  • Dental plan options.
  • Vision plan.
  • 401(k) plan with pre-tax and post-tax contributions and a company match.
  • Flexible work weeks where possible.
  • Paid time off, including 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.

Build a Resume for Penetration Tester

The resume builder that gets results.

  • Get clear feedback so you look as qualified as you are
  • Align your resume with the job to get further in the process, faster
  • Take the guesswork out of resume writing

Explore Related Job Searches

© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service