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# Senior DevSecOps / Deployment Engineer

- **Company:** Mission Services LLC
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), .NET Framework, Microsoft Windows, Active Directory Federation Services, Amazon Web Services, Application Services, User Authentication, Bash Shell, CompTIA Security+, Computer Networks, Continuous Integration, Linux, Domain Name System (DNS), Github, Hyper-V, Python (Programming Language), Key Management, PostgreSQL, Node.Js, OpenID, Windows PowerShell, Role-Based Access Control, Openid Connect, Security Assertion Markup Language (SAML), Software Engineering, TCP/IP, TypeScript, Software Vulnerability Management, Scripting, Load Balancing, Delivery Pipeline, Kubernetes Helm Charts, AI Coding Agents, Gitlab, AngularJS, Kubernetes, Information Technology, Oracle Cloud Infrastructure, Devsecops, Docker, Vmware
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9266979/senior-devsecops-deployment-engineer

## About the Role

* 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

## Description

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