Platform Security Engineer with Security Clearance

Job Title: Platform Security Engineer
Location: McLean, VA (3 days onsite)
Clearance Required: None but must be USC Top Requirements 5+ years of experience in cybersecurity engineering, including with DevSecOps in federal or defense environments employing IaC/CaC, CI/CD, and SDLC concepts
3+ years of experience in software engineering using Python, Typescript, or Bash and automation frameworks
2+ years of experience implementing cybersecurity solutions in AWS cloud and container orchestration such as Kubernetes Role Overview Apply your expertise in DevSecOps to integrate and enhance security into our software delivery pipelines.

This role is instrumental in fortifying mission-critical systems and ensuring compliance with Department of War (DoW) cybersecurity mandates. You will serve as a technical expert, using secure development practices and delivering continuous improvement across our CI/CD ecosystem. You will evolve secure CI/CD pipelines by integrating and automating security tools such as SAST, DAST, SCA, and container scanning to meet DoW requirements and reduce operational risk.

You will continuously enhance DevSecOps pipelines by refining vulnerability detection thresholds, tuning scanners, reducing false positives, and optimizing remediation workflows. You will harden infrastructure-as-code (IaC) templates, including Terraform, and enforce policy-as-code across environments. You will conduct risk assessments and contribute to system security plans (SSPs) and continuous ATO efforts. You’ll collaborate with development, operations, and security teams to support secure software delivery.

You’ll monitor pipeline activity for anomalies and assist in responding to security incidents. You will champion zero trust principles and drive adoption across the SDLC.

Qualifications 5+ years of experience in cybersecurity engineering, including with DevSecOps in federal or defense environments employing IaC/CaC, CI/CD, and SDLC concepts
3+ years of experience in software engineering using Python, Typescript, or Bash and automation frameworks
2+ years of experience implementing cybersecurity solutions in AWS cloud and container orchestration such as Kubernetes
Experience with AI software development, Claude Code, Codex, or Pi
Experience using Agile and Change Management methodologies
Knowledge of best practice cybersecurity and threat-based cybersecurity frameworks, including AI/ML security best practices
Knowledge of?NIST SP 800-53 controls, RMF compliance, eMASS, STIG Manager, STIG Viewer, and SCAP tools
Ability to obtain a Secret clearance
HS diploma or GED Nice to Have Skills Experience reviewing code samples and applying whitelisting or exemption processes Experience developing Zero Trust security solutions for DevSecOps pipelines
Experience evaluating security tools and assessing fit for inclusion in Development or Operational environments
Knowledge of GRC engineering practices, including policy-as-code implementation, automated compliance validation, continuous control monitoring, security control mapping such as NIST 800-53, RMF, or CIS, risk assessment automation, POA&M management, audit evidence collection, compliance reporting, and integration of GRC requirements into CI/CD and DevSecOps workflows
Possession of excellent verbal, technical writing, and documentation skills
Secret clearance
Bachelor’s degree in Cybersecurity, Computer Science, or a related field
Security+, AWS Solutions Architect, AWS Security, or CISSP Certifications If interested, Please email at or , call at 202.828.3494.