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Junior Penetration Tester - Cyber Engineer

CACI International

On-site
Aberdeen Proving Ground, MD
Full-time
Entry
3+ yrs
$76k–$156kPosted 3w ago

Real job — pulled straight from CACI International’s careers page · Verified July 24, 2026 · No reposts.

Job description

CACI International is hiring a Junior Penetration Tester - Cyber Engineer — a full-time, based in Aberdeen Proving Ground, MD role ($76k–$156k). Apply directly on CACI International's careers page below.

Junior Penetration Tester - Cyber Engineer

Location: Aberdeen Proving Ground, MD, US

Department: Cyber Engineering

Work Location: onsite

Job Title: Junior Penetration Tester - Cyber Engineer

Job Category: Engineering

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

* * *

The 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.

* These positions are 100% on site on-site in Aberdeen Proving Ground, MD.



Responsibilities:
Become part of an exceptional team of engineers from diverse backgrounds, all united by a passion for tackling real-world problems. As a junior 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 penetration testing and threat-hunting techniques.


Qualifications:
Required: 
- Active Secret Clearance with the potential to obtain TS/SCI
- Bachelor's degree in a related field and 3 years of relevant experience
- Foundational understanding of Linux operating systems and commands
- Familiarity of cybersecurity concepts such as the CIA triad, common cyber threats, and cyber defense mechanisms
- Strong grasp of networking, TCP/IP, virtualization, containerization, and web services
- Familiarity of OWASP Top 10, DoD, NSA, or industry-standard Vulnerability and- Penetration Testing Standards
- Working knowledge of popular penetration testing tools such as nmap, Wireshark, Burp Suite, Nessus, and similar utilities

- 1-2 years of exploitation experience


Desired:
- Active TS/SCI
- Certifications such as Sec+, PenTest+, CEH, Net+, or related
- Experience conducting vulnerability scans, analyzing results, and identifying mitigations
- Professional experience in grey/black box penetration testing or threat hunting
- 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
- Experience in malware analysis or digital computer forensics
- Experience interfacing with electronic hardware (e.g., taking apart devices and identifying hardware components)
- 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

-

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.


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:

$76,000 - 155,700 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.

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Frequently asked questions

What is the salary for Junior Penetration Tester - Cyber Engineer at CACI International?

The estimated salary range for Junior Penetration Tester - Cyber Engineer at CACI International is $76,000 - $156,000 USD per year.

What skills are required for Junior Penetration Tester - Cyber Engineer at CACI International?

The required skills for Junior Penetration Tester - Cyber Engineer at CACI International include: Linux, Cybersecurity, TCP/IP, Bash, Python, Perl, Ruby.

What is the seniority level for Junior Penetration Tester - Cyber Engineer at CACI International?

Junior Penetration Tester - Cyber Engineer at CACI International is a Entry level position.

How do I apply for Junior Penetration Tester - Cyber Engineer at CACI International?

You can view the full description and apply for Junior Penetration Tester - Cyber Engineer at CACI International on EchoJobs: https://echojobs.io/job/caci-international-junior-penetration-tester-cyber-engineer-dgmo2.