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# Platform Security Engineer (DevSecOps)

- **Company:** Cornerstone Barricades
- **Location:** McLean, VA, United States
- **Experience:** Experienced
- **Salary:** $139,360 - $143,520
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Artificial Intelligence, Amazon Web Services, Bash Shell, Cyber Security, Information Technology Consulting, Continuous Integration, Python (Programming Language), Systems Development Life Cycle, Software Tools, Zero Trust Network Access, Security Content Automation Protocol, Software Engineering, TypeScript, Policy as Code, Claude Code, SC Clearance, Kubernetes, Information Technology, Terraform, Devsecops, Plan of Action and Milestones, Static Application Security Testing, Dynamic Application Security Testing
- **Published:** November 5, 2026
- **Apply:** https://zipstaff.betterteam.com/platform-security-engineer-(devsecops)/apply/standard

## About the Role

* 5+ years of cybersecurity engineering, including DevSecOps in federal or defense environments (IaC/CaC, CI/CD, SDLC).
 * 3+ years of software engineering with Python, TypeScript or Bash and automation frameworks.
 * 2+ years implementing cybersecurity solutions in AWS and container orchestration such as Kubernetes.
 * Experience with AI software development tools such as Claude Code or Codex.
 * Experience with Agile and Change Management methodologies.
 * Knowledge of NIST SP 800-53, RMF, eMASS, STIG Manager/Viewer and SCAP tools, plus AI/ML security best practices.
 * Ability to obtain a Secret clearance.
 * HS diploma or GED.

Nice to Have:

 * Zero Trust solutions for DevSecOps pipelines and security tool evaluation.
 * GRC engineering: policy-as-code, automated compliance validation, continuous control monitoring, POA&M management.
 * Active Secret clearance.
 * Bachelor's degree in Cybersecurity, Computer Science or related field.
 * Security+, AWS Solutions Architect, AWS Security or CISSP certification.

## Description

ZipStaff is hiring a Platform Security Engineer for our client, a leading government technology consulting firm. You will integrate and enhance security across software delivery pipelines for mission-critical federal defense systems, ensuring compliance with DoW cybersecurity mandates and driving continuous improvement across the CI/CD ecosystem.
What You'll Do:

 * Evolve secure CI/CD pipelines by integrating and automating SAST, DAST, SCA and container scanning tools.
 * Tune scanners, refine vulnerability thresholds, reduce false positives and optimize remediation workflows.
 * Harden IaC templates (Terraform) and enforce policy-as-code across environments.
 * Conduct risk assessments and contribute to SSPs and continuous ATO efforts.
 * Collaborate with development, operations and security teams; monitor pipelines and support incident response.
 * Champion zero trust principles across the SDLC.