Senior DevSecOps Engineer

About the role

We are seeking a Senior DevSecOps Engineer with strong hands-on experience designing, implementing, securing, and operating cloud-native infrastructure. The ideal candidate will have expertise in AWS, Terraform, Kubernetes, Helm, Docker, CI/CD, and GitOps, along with strong knowledge of cloud security, identity, networking, and microservice architectures. Mission Focus: Our machine learning teams bridge the gap between cutting-edge AI research and operational government missions. We are looking for engineers who can take machine learning and Computer Vision (CV) solutions from early research and prototyping all the way into stable, scalable production environments. Clearance: We are seeking candidates with an active TS/SCI clearance or higher; however, we will consider highly qualified candidates with an active Secret clearance who are willing and able to obtain a TS/SCI. Location/Flexibility: Vienna, VA / Chantilly, VA (Hybrid / Flexible Remote options available).

Founded in 1998 and headquartered in the Washington DC Metro area, NT Concepts is a private, mid-tier company with clients spanning the Intelligence and Defense communities. We deliver end-to-end data and technology solutions that advance the modernization, transformation, and automation of the national security mission—solutions with real impact developed in a strong engineering culture that encourages technical growth, leadership, and creative "big idea" problem-solving. Employees are the core of NT Concepts. We understand that world-changing concepts happen in collaborative environments. We are a company where talented teams work together using innovation and expertise to solve our clients' most critical challenges. Here, you'll gain competitive benefits, opportunities to bolster your skills and develop new abilities, and a company culture dedicated to support and service. In addition to our benefits program, we encourage our employees to take part in #NTC_GivesBack, which paves the way for positive social change. If joining a stable company with strong professional growth opportunities resonates with you, and you seek vital, mission-driven projects (for some pretty cool clients) that use your specific talents, we'd love to have you move forward with us.

Responsibilities

• Design, implement, and maintain AWS infrastructure using Terraform and Infrastructure as Code.
• Build, deploy, and operate containerized applications using Kubernetes/EKS, ECS, Docker, and Helm.
• Develop and maintain CI/CD pipelines and implement Git-based GitOps workflows using Argo CD.
• Implement secure authentication and authorization using SSO, IAM, RBAC, and workload identities.
• Apply Zero Trust, least privilege, defense-in