Senior Cyber Security Engineer

CACI International•Ashburn, VA
•$113,200 - $237,800

About The Position

CACI is seeking a Senior Cybersecurity Engineer for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.

Requirements

  • Bachelor's degree + 8 years of experience in related fields, such as cybersecurity engineering, security architecture, systems security engineering, network security, or DevSecOps at enterprise scale; equivalencies considered.
  • Active Top Secret Clearance
  • Proven experience with enterprise-scale security engineering, security architecture design, and secure infrastructure design for complex, distributed environments
  • Demonstrated leadership experience managing complex security projects, leading technical teams, and coordinating security initiatives across distributed enterprise environments
  • Expert-level knowledge of security frameworks including NIST Cybersecurity Framework, NIST 800-53, FedRAMP requirements, and advanced network security architectures
  • Excellent leadership abilities with proven experience planning and leading major security engineering initiatives, functioning as a subject matter expert, and supervising security teams

Nice To Haves

  • Prior experience supporting federal agencies, especially the Department of State
  • Advanced professional security certifications such as CISSP, CISM, Certified Cloud Security Professional (CCSP), GIAC Security Expert (GSE), or Offensive Security Certified Professional (OSCP)

Responsibilities

  • Lead design, architecture, and implementation of comprehensive security solutions across global CA IT infrastructure supporting 40,000+ users across 350+ facilities
  • Ensure all engineering designs and infrastructure deployments incorporate comprehensive security best practices throughout the system development lifecycle, validating compliance with DOS security policies, FISMA requirements, NIST 800-53 controls, and STIGs
  • Design secure networking architectures within CA enclaves and complex network integrations with Department of State enterprise networks, implementing micro-segmentation strategies and boundary protection mechanisms
  • Lead implementation of advanced network security solutions including high-availability load balancing for public-facing websites, DDoS detection and mitigation systems, web application firewalls, and intrusion prevention systems
  • Design and implement FedRAMP-compliant cloud systems ensuring Department data sovereignty requirements, boundary protections, encryption, and CCGB approval
  • Develop and implement comprehensive security monitoring, logging, and alerting capabilities architecting SIEM integration, log aggregation frameworks, and real-time threat detection systems
  • Provide expert security guidance and technical leadership for infrastructure architecture initiatives ensuring alignment with DOS enterprise architecture standards and Federal cybersecurity frameworks
  • Master and architect DevSecOps tooling ecosystems including Ansible, Terraform, Jenkins, GitLab CI/CD, and SonarQube, constructing sophisticated CI/CD pipelines with automated security testing
  • Conduct advanced security risk assessments, penetration testing coordination, and security architecture reviews for complex systems, providing detailed technical analysis with remediation strategies
  • Serve as technical security expert and mentor for security engineering teams, providing leadership on complex security challenges and driving security-conscious culture across IT service delivery organizations

Benefits

  • healthcare
  • wellness
  • financial
  • retirement
  • family support
  • continuing education
  • time off benefits
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service