Vulnerability Test Developer

Vulnerability Test Developer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: None

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

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CACI is seeking a Vulnerability Test Developer with hands-on expertise in Twistlock (Prisma Cloud) to join our Tier 3 engineering team supporting the Department of Homeland Security's (DHS) biometric HART system. This role plays a key part in the ongoing security posture of critical biometric services, focusing on vulnerability detection, automated validation, and secure DevSecOps practices in a containerized, cloud-based environment.

Key Responsibilities:

• Analyze and triage vulnerabilities reported by Twistlock across container images, running workloads, and host environments.

• Develop and execute automated test scripts to validate remediation of vulnerabilities detected in infrastructure and code.

• Integrate Twistlock scans and security gates into CI/CD pipelines (GitLab, Jenkins) for real-time detection and feedback.

• Coordinate with developers, system administrators, and cybersecurity teams to implement and verify fixes.

• Patch or rebuild container images based on Twistlock findings and validate successful remediation.

• Track vulnerability lifecycle and remediation activities using tools like Jira.

• Generate documentation and testing evidence to support audit readiness and compliance reporting.

• Collaborate in the use of static/dynamic analysis tools (e.g., SonarQube) to enhance secure coding practices.

Required Qualifications:

• 6+ years of IT experience with a focus on vulnerability remediation or security testing.

• Demonstrated expertise with Twistlock (Prisma Cloud) — including the Vulnerability and Compliance modules.

• Proficient in scripting or programming (e.g., Python, Bash, Java, or Go) to support automated testing.

• Experience working in containerized environments (e.g., Docker, OpenShift) and patching vulnerable images.

• Strong understanding of CVE management, security scoring systems (e.g., CVSS), and patch validation.

• Familiarity with test frameworks such as JUnit, Pytest, or TestNG.

• Knowledge of CI/CD tools (GitLab, Jenkins) and secure DevOps best practices.

• U.S. Citizenship and ability to obtain a DHS EOD clearance (required prior to start).

Preferred Qualifications:

• AWS or AWS GovCloud experience (certifications a plus).

• Experience with log and alert analysis tools (e.g., Splunk) to identify anomalies.

• Familiarity with SonarQube, CyberArk, or other security tools.

• Bachelor’s degree in Computer Science, Engineering, Cybersecurity, or a related field.

Technologies You’ll Work With:

• AWS GovCloud, GitLab, Jenkins, Twistlock (Prisma Cloud), Docker, OpenShift, Ansible, PostgreSQL, Java, Golang, SonarQube, Splunk

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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.

Learn more about CACI here.

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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. Learn more here.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$53,100-$106,300

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.