Cleared Software Security Engineer (TS/SCI) – Code Security Expert

CDW; Satellite Beach (FL); On-site; USD 110,000 - 160,000; Full time

Job summary

CDW seeks a cleared Software Security Engineer with a strong software engineering background to review code, designs, and testing results against government security criteria. You will translate security requirements into actionable guidance, work with developers to remediate vulnerabilities, and document evidence for security assessments.

You will perform manual and automated security testing, assess baselines, and support RMF/ATO processes, contributing to secure design and robust software

Qualifications

• Active TS/SCI clearance.
• Hands-on secure code review or application security experience.
• Proficiency in Java, C#, Python, JavaScript/TypeScript, C/C++, or Go.
• Knowledge of government security requirements and NIST SP 800-53.
• Ability to translate security requirements into concrete code changes.
• Experience with Git-based version control and peer code review.
• Understanding of web app and API security.
• Bachelor's degree or equivalent practical experience.
• Experience with RMF/ATO in federal programs.

Responsibilities

• Perform manual security reviews of source code, PRs, and changes for vulnerabilities.
• Assess security baselines including NIST SP 800-53 and SP 800-218 practices.
• Translate controls into code review checklists and guidance.
• Review authentication, authorization, input validation, and data protection for secure coding.
• Execute SAST, DAST, SCA, and secrets scanning and validate findings.
• Evaluate third party dependencies for known vulnerabilities and SBOM activities.
• Collaborate with developers to implement fixes and verify closures.
• Participate in threat modeling and architecture reviews.
• Integrate automated security checks into CI/CD pipelines.
• Document findings with locations, impact, and remediation evidence.
• Support RMF/ATO activities with security evidence.

Skills

Secure code review

CI/CD workflows

Git version control

Application security

Education

Bachelor's degree in Computer Science, Software Engineering, Cybersecurity, or equivalent

Tools

SAST tools

DAST tools

Software Composition Analysis (SCA)

Secrets scanning

SBOM management

Job description

CDW seeks a cleared Software Security Engineer with a strong software engineering background to review code, designs, and testing results against government security criteria. You will translate security requirements into actionable guidance, work with developers to remediate vulnerabilities, and document evidence for security assessments.

You will perform manual and automated security testing, assess baselines, and support RMF/ATO processes, contributing to secure design and robust software