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Junior Penetration Tester - Cyber Engineer

Job in Aberdeen Proving Ground, Harford County, Maryland, 21005, USA
Listing for: CACI International Inc.
Full Time position
Listed on 2026-07-25
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Location: Aberdeen Proving Ground

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+, Pen Test+, 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, 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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