DevOps Security Engineer
CACI • Reston, VA8d • Onsite
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DevOps Security Engineer
CACI•Reston, VA
•Onsite
About The Position
Join our team as a DevSecOps‑focused Security Engineer and play a key role in strengthening the security and resilience of critical defense systems. In this position, you will help modernize our Authorization to Operate (ATO) process by transitioning it to a continuous model, ensuring systems remain secure, compliant, and mission-ready. You’ll work across the full Risk Management Framework (RMF) lifecycle, support cloud-based system development, and collaborate closely with engineering teams to integrate security into every phase of delivery. This is a high-impact opportunity for someone who thrives in a dynamic environment and is passionate about advancing modern cybersecurity practices in support of national defense.
Requirements
- Active DoD TS/SCI clearance with polygraph
- Minimum 7 years of experience with RMF, JSIG, or ICD 503 processes
- Bachelor’s degree in computer science, IT, Cybersecurity, Engineering, or a related field
- Experience with vulnerability scanning, STIG compliance, SCAP, and SIEM technologies
- Knowledge of Infrastructure‑as‑Code and scripting tools such as Ansible, Terraform, PowerShell, or Bash
- At least 3 years administering DoD cloud environments
Nice To Haves
- Prior DoD cybersecurity engineering experience
- Familiarity with enclave architectures and mission system designs
- Strong communication skills and ability to collaborate with program managers, developers, and system administrators
- Vendor‑neutral or cloud‑security certifications (e.g., CCSP, CompTIA Cloud+, AWS Security)
- Experience with SIEM platforms such as Splunk and conducting log analysis
- Background in RMF and/or FEDRAMP
Responsibilities
- Develop and implement DevSecOps pipeline policies that embed security throughout the software development lifecycle and support continuous authorization.
- Manage the RMF lifecycle for DoD cloud environments, tracking risks, accreditation status, and documentation.
- Prepare and maintain security documentation, including System Security Plans (SSP), Test Plans (STP), and Plans of Action and Milestones (POA&M).
- Partner with cross-functional teams to ensure security considerations are integrated from design through deployment, providing expert guidance to engineers and program stakeholders.
- Conduct Test and Evaluation (T&E); validate physical controls; review hardware/software inventories; analyze system topology and data flows; and perform on-site assessments.
- Lead efforts to modernize ATO processes, aligning them with current industry standards and enabling a continuous ATO approach.
- Stay up-to-date on cybersecurity threats, technologies, policies, and cloud trends; recommend improvements to strengthen the security posture of DoD cloud systems.
Benefits
- competitive compensation
- benefits
- learning and development opportunities
- broad and competitive mix of benefits options
- healthcare
- wellness
- financial
- retirement
- family support
- continuing education
- time off benefits
- flexible time off benefit
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Number of Employees
5,001-10,000 employees
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