Job Profile:

Infrastructure/Systems Administration T1

JR Type:

Competitive

Job Category:

Information Technology

Minimum Clearance Required to Start:

None

Percentage of Travel Required:

None

Type of Travel:

None

Program/Opportunity Name:

Program | DHS DCCO

Referral Bonus Plan:

$1,000* * *

Job Description:

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

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.

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