Sr. Software Engineer TS/SCI

Job description Zachary Piper Solutions is seeking a Sr. Software Engineer - TS/SCI for a mission-focused technology organization supporting national security and advanced systems in the Reston, VA area. The Sr. Software Engineer - TS/SCI role is an onsite position working in highly secure environments on complex, high-impact platforms. The Sr. Software Engineer - TS/SCI will design and build full stack applications while driving DevOps best practices to support scalable, reliable, and secure software delivery. An ideal candidate brings deep software engineering expertise, hands-on DevOps experience, and a background working within cleared environments. Responsibilities of the Sr. Software Engineer -

TS/SCI:

Design, develop, and maintain full stack applications using modern front-end and back-end technologies. Build and support CI/CD pipelines to enable automated, secure, and reliable deployments. Collaborate with DevOps, infrastructure, and security teams to implement DevSecOps best practices. Develop and manage cloud and on-prem infrastructure using Infrastructure as Code (IaC) tools. Support containerized applications using Docker and Kubernetes in classified environments. Participate in system architecture, design reviews, and technical decision-making. Troubleshoot and resolve complex issues across the application stack and infrastructure layers. Ensure applications meet performance, reliability, and security requirements. Qualifications of the Sr. Software Engineer -

TS/SCI:

Active TS/SCI clearance is required. 7+ years of professional software engineering experience. Strong full stack development experience with languages such as Java, Python, JavaScript/TypeScript, or similar. Hands-on DevOps experience with CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions. Experience with containerization and orchestration tools including Docker and Kubernetes. Proficiency with cloud platforms (AWS, Azure, or GCP), preferably in secure or regulated environments. Strong understanding of Linux systems, networking concepts, and security best practices. Ability to work collaboratively in a fast-paced, mission-critical environment. Compensation for the Sr.

Software Engineer - TS/SCI includes:

Salary range: $190,000 - $245,000 Comprehensive benefits package including medical, dental, vision, 401(k), PTO, Sick Leave as required by law This job opens for applications on 05/8/2026. Applications for this job will be accepted for at least 30 days from the posting date. Keywords total-station planning-and-design visual-art-design product-development-and-design customer-intelligence-ci continuous-integration cd-certificate-of-deposit ci-cd development-operations-devops devsecops policies-and-practices cloud-management infrastructure-as-code-iac docker kubernetes system-architecture troubleshooting training-and-development java python javascript typescript microsoft-typescript jenkins gitlab gitlab-ci github github-actions containerization service-management-and-orchestration-smo amazon-web-services microsoft-azure google-cloud-platform good-clinical-practice-gcp linux networking-telecommunications mission-critical environment-health-and-safety-hsse ecology-environment salary-range paid-time-off sick-leave laws-and-regulations