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# Principal Software Engineer TS/SCI Polygraph

- **Company:** Nabout Leidos
- **Location:** United States
- **Salary:** $154,050.0 - $278,475.0
- **Contract:** Permanent contract
- **Skills:** HTML, Java (Programming Language), Confluence, JIRA, Computer Engineering, Data Architecture, Elasticsearch, Monitoring of Systems, Object-Oriented Software Development, Public Key Infrastructure, Logstash, Software Engineering, Extensible Markup Language (XML), Transport Layer Security, Spring-boot, Indexer, Solid Principles, Kubernetes, Information Technology, Kibana, Docker, Elk Stack
- **Published:** May 21, 2026
- **Apply:** https://jobs.military.com/career/224117/principal-software-engineer-ts-sci-polygraph-maryland-md-hanover

## About the Role

* TS/SCI Clearance with polygraph\n
 * Bachelor's Degree or higher in computer engineering or in a field related to the computer engineering or computer science disciplines is required. Requires Bachelor's degree with a minimum of 18 years of prior relevant experience or Masters with 15 years of prior relevant experience or Doctorate with 13 years of prior relevant experience.\n
 * Expert in Java (17+ preferred), the Spring Boot ecosystem, SOLID principles, OO design patterns, and REST interface standards/best practices.\n
 * Strong communicator with the ability to facilitate cross-team collaboration and clearly convey architecture and design concepts through both oral and written communication.\n
 * Skilled in developing technical documentation (including wiki sites, blogs, and XML/HTML content) and mentoring junior to mid-level software development peers.\n, * Strong experience with MongoDB Data Architecture (schema design, indexing, and aggregation).\n
 * Proficiency in Docker for local development and CI/CD pipelines.\n
 * Familiarity with Kubernetes orchestration and the ELK Stack (Elasticsearch, Logstash, Kibana) for system monitoring and troubleshooting.\n
 * Experience in PKI/TLS/SSL certificates\n
 * Knowledge of ICAM Capabilities and Integration\n
 * Familiarity using Confluence and Jira\n
 * Strong organization and time management skills, including the ability to multi-task and work independently with minimum supervision to meet deadlines\n



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