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CACI • Aberdeen Proving Ground, Maryland, United States
Salary: $82,700 - $173,900 / year
Role & seniority: Penetration Tester, seasoned professional; requires 2–4 years of relevant experience; active Secret clearance (potential to TS/SCI)
Stack/tools: nmap, Wireshark, Burp Suite, Nessus; Linux OS; networking/TCP/IP; virtualization and containerization; web services; OWASP Top 10; DoD/NSA security standards
Conduct in-depth penetration testing and threat-hunting across complex systems using advanced techniques
Assess, analyze, and report on vulnerabilities aligned with DoD/NSA or industry standards
Demonstrate exploitation techniques (e.g., buffer overflows, SQLi, MIMT, lateral movement) and provide remediation guidance
Active Secret clearance
Bachelor’s degree in a related field and 2–4 years of relevant experience
Proven grey/black box testing experience with common pentest tools
Strong Linux, networking, virtualization/containerization, and web services knowledge
In-depth understanding of OWASP Top 10 and vulnerability/penetration testing standards
Certifications (OSCP, OSCE, GPEN, GWAPT, GXPN, CEH, CISSP)
Malware analysis or digital forensics
Scripting (Bash, Python, Perl, Ruby); systems programming
Experience with Android, UAS/UXS, radios, embedded devices
Location & work type: Full-time regular position; up to 25% travel within the Continental US; location not specified; one employer: CACI; clearances required.
Job Title: Penetration Tester Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Continental US * * * Exciting Opportunity: Join Our Dynamic Team of Penetration Testers! Embark on an exhilarating journey with us as you join a vibrant team dedicated to solving intricate, multi-disciplinary challenges across various fields. This is your chance to apply your expertise to groundbreaking problems and dive into new, fascinating topics. You'll not only enhance your skills but also play a crucial role in developing innovative solutions to complex issues. More About the Role: Become part of an exceptional team of engineers from diverse backgrounds, all united by a passion for tackling real-world problems. As a seasoned penetration tester, you’ll be at the forefront of cutting-edge technology, working hands-on with the latest electronics. Your role will involve performing in-depth assessments and analyses of sophisticated systems using advanced penetration testing and threat-hunting techniques. Required Qualifications: Active Secret Clearance with the potential to obtain TS/SCI Bachelor's degree in a related field and 2-4 years of relevant experience Professional experience in penetration testing or threat hunting Proven experience in grey and black box penetration testing Proficiency with popular penetration testing tools such as nmap, Wireshark, Burp Suite, Nessus, and similar utilities Extensive working knowledge of Linux operating systems Strong grasp of networking, TCP/IP, virtualization, containerization, and web services In-depth understanding of OWASP Top 10, DoD, NSA, or industry-standard Vulnerability and Penetration Testing Standards Expertise in exploitation techniques including buffer overflows, fuzzing, SQL injection, Man-in-the-Middle attacks, covert channels, secure tunneling, XSS, privilege escalation, and lateral movement Desired Qualifications (A Plus!): Certifications such as OSCP, OSCE, GPEN, GWAPT, GXPN, CEH, or CISSP Experience in malware analysis or digital computer forensics Scripting skills in Bash, Python, Perl, or Ruby Systems programming experience Keen interest in emerging penetration testing technologies and techniques Familiarity with Android operating systems Knowledge of UAS/UXS technologies Understanding of radios and radio protocols Experience analyzing embedded devices Why Join Us? Innovative Environment: Work on cutting-edge projects that push the boundaries of technology. Collaborative Team: Be part of a diverse and talented team where your contributions are valued. Professional Growth: Enhance your skills and knowledge in a supportive and challenging environment. Impactful Work: Make a real difference by solving complex problems that have a tangible impact. Ready to take your career to the next level? Apply now and become a vital part of our mission to innovate and secure the future! - _________________________________________________________________________ What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. Your potential is limitless. So is ours. _________________________________________________________________________ Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is: $82,700 - 173,900 USD CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic. Advance the future of national security while working at the intersection of technology, government, and defense. For more than six decades, CACI has been pioneering ground-breaking solutions and helping our customers harness emerging technologies. CACI offers boundless career opportunities for employees to support their country, grow their skills, and expand their horizons.