Penetration Tester Mid-Level

General Dynamics Information Technology, Inc.; Ashburn (VA); On-site; USD 108,000 - 129,000; Full time

Benefits offered by this job

Medical/dental/vision plans

401(k) with company match

Flexible work weeks

Paid time off

Disability and life insurance

Job summary

General Dynamics Information Technology, Inc. (GDIT) is seeking a Penetration Tester to support the CBP Cyber Security Directorate.

The role involves hands-on testing across networks, applications, endpoints, cloud workloads and mission systems, using leading offensive tools to uncover weaknesses and drive risk reductions. You will craft detailed reports, prioritize remediation, and collaborate with teams in a high-stakes, federal security environment.

Qualifications

• 3+ years of penetration testing experience.
• Experience with network, application and wireless assessments.
• Ability to develop structured documentation and technical writing.
• Effective communication with technical and non-technical audiences.

Responsibilities

• Conduct hands-on penetration testing of networks, applications, endpoints, cloud workloads, and mission systems.
• Use industry-standard tools to identify misconfigurations and exploitable flaws.
• Perform credentialed and non-credentialed testing including enumeration and exploitation.
• Evaluate vulnerabilities for exploitability and risk.
• Analyze complex environments to identify cross-domain security issues.
• Produce detailed assessment reports with remediation recommendations.
• Participate in follow-up assessments and retesting.

Skills

Cyber Operations

Cybersecurity Strategies

Cyber Threat Intelligence

Security Operations

Education

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

Tools

CompTIA PenTest+

eJPT

eCPPT

OSCP

GPEN

Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: BI Full 6C (T4) Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Cyber Operations, Cybersecurity Strategies, Cyber Threat Intelligence, Security Operations Certifications: None Experience: 3 + years of related experience US Citizenship Required: Yes

Job Description: The U.S. Customs and Border Protection (CBP) Cyber Security Directorate (CSD) is leading one of the most comprehensive, mission critical cybersecurity operations in the federal government, protecting the digital infrastructure that safeguards America’s borders. This multifaceted program spans 24/7/365 Security Operations Center (SOC) monitoring, advanced threat intelligence, forensics, incident response, cloud and network security engineering, zero trust modernization, vulnerability assessment, and enterprise-wide risk and compliance activities. The Penetration Tester will support teams at the forefront of national security, supporting sophisticated cyber operations that defend vital systems, enable secure mission execution, and counter rapidly evolving threats. You will find this work uniquely impactful, fast-paced, and deeply collaborative, offering the opportunity to lead high performing technical teams, shape CBP’s cybersecurity strategy, and contribute directly to the protection of the nation.

MEANINGFUL WORK AND PERSONAL IMPACT

The Penetration Tester plays a critical role in assessing the security of enterprise systems by emulating real-world adversary behaviors to identify, validate, and help remediate vulnerabilities across networks, applications, and infrastructure. Operating within a high- stakes cybersecurity mission environment, this role contributes directly to strengthening defensive capabilities and ensuring mission resilience.

The candidate will

• Conduct hands‑on penetration testing of networks, applications, endpoints, cloud workloads, and mission systems to uncover exploitable security weaknesses.
• Use industry‑standard tools—including Nmap, NESSUS, Metasploit, Burp Suite, CANVAS, Kismet, and other offensive frameworks—to identify misconfigurations, privilege escalation paths, insecure protocols, and exploitable application flaws.
• Perform credentialed and non‑credentialed testing, including reconnaissance, enumeration, exploitation, post‑exploitation analysis, and vulnerability validation.
• Evaluate discovered vulnerabilities to determine exploitability, impact, and potential operational risk.
• Analyze complex environments (hybrid cloud, containerized platforms, mobile, or legacy systems) to identify cross‑domain security issues.
• Produce detailed technical assessment reports, including vulnerability descriptions, exploitation steps, affected assets, and prioritized remediation recommendations.
• Participate in follow‑up assessments and retesting cycles to ensure remediation completeness and risk reduction.

What you’ll need to succeed

Minimum of three (3) years of penetration testing or offensive security experience. Strong understanding of exploit development concepts, offensive tooling, and common security control weaknesses. Experience performing network, application, and wireless assessments using modern red‑team methodologies. Ability to develop structured documentation, perform technical writing, and have effective communication with both technical and non‑technical audiences.

Preferred certifications

• CompTIA PenTest+
• eJPT / eCPPT OSCP (highly valued)
• GIAC Penetration Tester (GPEN)

Education and Experience

Bachelor’s degree in information technology, computer science, cybersecurity or a related field preferred. Previous or Current CBP Background Investigation desired.

The likely salary range for this position is $107,744 - $129,375. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options: Onsite Work Location: USA VA Ashburn Additional Work Locations:

Total Rewards at GDIT

• Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.
• To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• To ensure our employees are able to protect their income, other offerings such as short and long‑term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
• We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission‑ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.