Application Security Engineer

CACI International Inc is a mission-driven organization supporting critical Department of Defense missions through cybersecurity and technology services. The Application Security Engineer will embed security into the software development lifecycle, perform application security testing and penetration testing, and guide vulnerability remediation across applications.

Responsibilities:

• Perform SAST using Fortify across assigned applications
• Conduct continuous code quality and security analysis using SonarQube
• Execute DAST to identify runtime vulnerabilities
• Coordinate and execute penetration testing engagements
• Conduct secure code reviews and document findings with actionable guidance
• Track and verify vulnerability remediation through closure
• Validate application security controls against program and DoD requirements
• Author application security assessment and penetration test reports
• Support the Cybersecurity Architect with secure SDLC process design

Requirements:

• Active Secret or TS clearance
• 3–5 years of experience in application security, secure development, or penetration testing
• Hands‑on experience with SAST platforms (Fortify preferred)
• Working knowledge of OWASP Top 10 and common application vulnerability classes
• Demonstrated experience conducting or supporting penetration tests
• DoD 8140.03M DCWF Basic Tier — CEH
• DoD 8140 Interim Education Options
• Required to travel to Scott Airforce base on a quarterly basis
• DoD 8140.03M DCWF Intermediate Tier — one of: CEH(P), RCCE Level 1, Cloud+, CPTE, FITSP‑A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+
• Bachelor's degree in Computer Science, Cybersecurity, Data Science, Information Systems, IT, or Software Engineering
• Experience with SonarQube or similar secure code analysis platforms
• Familiarity with DevSecOps pipelines and CI/CD security integration
• Scripting or development experience in Python, Java, or similar languages