> Markdown version of [/jobs/ext/2840686-software-engineer-principal-fully-cleared-with-polygraph-req](https://www.wearedevelopers.com/jobs/ext/2840686-software-engineer-principal-fully-cleared-with-polygraph-req). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQ - **Company:** Constellation Technologies, Inc. - **Location:** Fort Meade, MD, United States - **Salary:** $150,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Business Analytics Applications, Cloud Database, System Configuration, Linux, Python (Programming Language), Machine Learning, Open Source Technology, Systems Integration, Virtual Machines, Kubernetes, Information Technology, Docker - **Published:** September 11, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8747211/software-engineer-principal-fully-cleared-with-polygraph-req ## About the Role * Must be a US Citizen. * Must have TS/SCI clearance w/ active polygraph. * Eleven (11) years of direct/relevant experience. * Bachelor's degree in computer science or related discipline from an accredited college or university is required. * Strong development experience in a variety of languages (ex., java, python). * Experience integrating with customer's cloud-based data systems. * Experience installing, configuring, developing, and integrating prototype applications for technical evaluation. * Develop capabilities designed to help solve common problems arising from various analyst offices. * Prototype development to extend enterprise services, support analytics, enhance machine learning, and develop commercial cloud solutions. * Support the integration and evaluation of open source, emerging technologies, and new COTS applications. Work directly with customers, developers, or data scientists to gather requirements and feedback. These Qualifications Would be Nice to Have: * Modeling experience. * Machine Learning experience. * Experience with Docker containers and Kubernetes. * Dev experience on Linux platforms. Analytics development experience. * Virtual Machine (VM) experience ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)