> Markdown version of [/jobs/ext/4618094-principal-software-engineer-ts-sci-with-polygraph-required](https://www.wearedevelopers.com/jobs/ext/4618094-principal-software-engineer-ts-sci-with-polygraph-required). 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). --- # Principal Software Engineer (TS/SCI with Polygraph required) - **Company:** Red Alpha - **Location:** United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Data Validation, Data Normalization, Information Extraction, Natural Language Processing, Named Entity Recognition, Pattern Recognition, Regular Expressions, Information Technology, Text Analysis - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_3a92d684865db209603d61c7f8ad5397 ## About the Role * 20+ years of experience as a Software Engineer * A Bachelor of Science degree in Computer Science or a related discipline from an accredited institution. Four (4) additional years of relevant experience may be accepted in lieu of a degree. * An active TS/SCI with Polygraph level of security clearance Proficiency with the following skills: * Java programming with experience in developing, testing, and deploying scalable applications. * Writing and optimizing Regular Expressions (Regex) for data validation, text parsing, and pattern matching. * Entity extraction and data normalization to standardize unstructured or semi-structured information. Bonus Skills: * Strong knowledge of Maryland Customer corporate processing systems and corporate normalization tools. * Experience with GHOSTMACHINE and associated schema structures. * Familiarity with language processing techniques for text analysis and information extraction.