Senior DevSecOps / Deployment Engineer

Senior engineer who both develops software and owns secure, enterprise-wide deployment for a high-visibility executive-branch client in Washington, DC. You will build hardened container images and Helm charts, connect CI/CD pipelines across networks, and integrate applications with enterprise identity.
What you'll do
• Design and operate CI/CD pipelines for enterprise-wide application services using GitLab and GitHub, including pipelines that span separate networks
• Build hardened, OCI-compliant container images and author/maintain Helm charts
• Configure Kubernetes ingress controllers, load balancers and network policies for cluster-wide routing and segmentation
• Integrate applications with authentication frameworks (OIDC, SAML, ADFS)
• Develop application code (.NET, JavaScript/TypeScript, Angular, Node.js) and automation in Python, Bash and PowerShell
• Deploy and support systems on Linux and Windows on on-premises virtualization (VMware/Hyper-V)
• Apply security best practices across the pipeline: image scanning, secrets management, least privilege, vulnerability remediation
• Use approved AI coding assistants to speed development and automation, with appropriate review controls
Required qualifications
• Active TS/SCI clearance
• 10+ years of software engineering experience, including significant DevSecOps/deployment ownership
• Bachelor's degree in Computer Science, Information Technology, or related field
• Experience with CI/CD deployment for enterprise-wide application services
• Experience with GitLab and GitHub to integrate and connect deployment pipelines across networks
• Experience with authentication frameworks such as OIDC (OpenID Connect), SAML and ADFS
• Experience with ingress controllers and load balancers for cluster-wide routing and network policies
• Experience developing Helm charts and hardened container images that follow OCI standards
• In-depth understanding of Docker, Kubernetes, OCI and PostgreSQL; modern languages (.NET, JavaScript, Angular, Node.js, TypeScript)
• Scripting in Python, Bash and/or PowerShell; Linux and Windows deployment; networking (TCP/IP, DNS, load balancing)
• Significant hands-on experience using AI coding models in the software development lifecycle
Preferred qualifications
• Active CompTIA Security+ (or higher DoD 8140 baseline) and/or AWS DevOps certification
• Experience with DISA STIGs, Iron Bank or similar hardened-image programs
• Experience in air-gapped/classified environments