Penetration Tester

WarCollar Industries, LLC; Herndon (VA); On-site; USD 110,000 - 180,000; Full time

Benefits offered by this job

Medical insurance premium coverage

PTO based on billable hours

Federal holidays plus your birthday

Matching 401k, education reimbursement

paid training days

Performance bonuses

Referral bonuses

Government shutdown protection

Monthly team building events

Job summary

WarCollar Industries, LLC in the United States is seeking a skilled Penetration Tester to support a mission-critical federal client. You will perform offensive assessments against networks, applications, and cloud environments to identify vulnerabilities and simulate real-world attack scenarios.

This role requires an active TS/SCI Full Scope Polygraph clearance and strong written and verbal communication skills to deliver remediation guidance to stakeholders.

Qualifications

• Active TS/SCI Full Scope Polygraph clearance is required.
• Experience conducting penetration tests against networks, applications, and cloud environments.
• Ability to document findings and provide remediation guidance.

Responsibilities

• Conduct penetration tests against networks, applications, operating systems, and cloud environments.
• Simulate adversary tactics, techniques, and procedures (TTPs) to identify exploitable weaknesses.
• Document findings, assess risk, and provide detailed remediation recommendations.
• Collaborate with cybersecurity engineers, system administrators, and stakeholders to improve security posture.

Skills

Penetration testing

Vulnerability assessment

Adversary emulation

Security reporting

Cross-functional collaboration

Threat intelligence awareness

Education

Bachelor's degree in Computer Science, Information Security, or related field

Tools

Nessus

Burp Suite

Metasploit

Wireshark

Job description

Position Overview

WarCollar Industries is seeking a highly skilled Penetration Tester to support a mission‑critical Federal client. If you're passionate about offensive cybersecurity, identifying vulnerabilities before adversaries do, and protecting national security systems, we'd like to speak with you. As a Penetration Tester, you will perform technical security assessments against customer systems in support of certification, accreditation, and overall cyber resilience. You'll leverage industry‑leading tools and advanced technical expertise to identify vulnerabilities, simulate real‑world attack scenarios, and deliver actionable recommendations that strengthen enterprise security.

Required Skills

• Conduct penetration tests against networks, applications, operating systems, and cloud environments.
• Perform vulnerability assessments using automated and manual testing techniques.
• Simulate adversary tactics, techniques, and procedures (TTPs) to identify exploitable weaknesses.
• Document findings, assess risk, and provide detailed remediation recommendations.
• Collaborate with cybersecurity engineers, system administrators, and stakeholders to improve security posture.
• Support security validation efforts for Certification & Accreditation (C&A) activities.
• Stay current on emerging threats, attack vectors, and offensive security methodologies.

Desired Skills

• Experience conducting penetration testing or offensive cyber operations.
• Knowledge of network protocols, operating systems, web application security, and common attack techniques.
• Experience with industry‑standard penetration testing tools and frameworks.
• Strong understanding of vulnerability analysis, exploitation techniques, and security best practices.
• Excellent analytical, technical writing, and communication skills.
• Relevant certifications such as OSCP, GPEN, CEH, CISSP, or equivalent are a plus.

Additional Details

• Active TS/SCI Full Scope Polygraph clearance is required.

About WarCollar Industries

WarCollar Industries, LLC is a veteran‑owned small business. We maintain a team of cybersecurity experts committed to protecting complicated data and distribution systems and providing decision makers with the most accurate assessment of residual risk possible. We work with our clients to solve the toughest challenges in the ever‑evolving digital landscape. Services include network defense, computer network attack, secure network design, penetration testing and vulnerability assessment. WarCollar enables its clients to find, fix, stop, and ultimately solve cybersecurity problems across their entire enterprise.

Benefits

• Medical insurance premium coverage
• PTO based on billable hours
• Federal holidays plus your birthday
• Matching 401k, education reimbursement plus paid training days
• Performance bonuses
• Referral bonuses
• Government shutdown protection
• Monthly team building events plus two major social events annually

Equal Opportunity Employment

WarCollar Industries, LLC is an equal opportunity employer. WarCollar does not discriminate in employment based upon race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, status as a protected military veteran, or other non‑merit factor.