Principal Ontologist
Red Arch SolutionsReston, Virginia, United States
Posted October 14, 2025
Full Time
About the Company
Red Arch Solutions is a leading U.S. small business specializing in tactical and strategic intelligence, systems engineering, and software solutions for national security challenges. With a strong emphasis on employee development and satisfaction, the company offers career mobility, work-life balance, and personalized growth opportunities. Red Arch's unique focus on its people, combined with their expertise across various engineering disciplines, positions them as a valuable partner in critical missions.
Job Description
Red Arch Solutions is seeking a Principal Ontologist to support the deployment and integration of Progress Semaphore, a semantic AI platform, within a large-scale enterprise data modernization initiative. The role focuses on developing and applying ontologies to unify and enhance data across various domains like HR, logistics, and acquisitions. Collaboration with stakeholders and technical teams is crucial for semantic consistency and interoperability.
Requirements
- Proficiency in OWL2, RDF(S), and SPARQL
- Experience with ontology editors such as Protégé or TopBraid Composer
- Familiarity with triple stores, graph databases, and knowledge graph architectures
- Experience applying ontologies to support data normalization, integration, and semantic search.
- Strong communication skills and ability to work across multidisciplinary teams.
- Experience supporting enterprise data initiatives in mission support domains (HR, logistics, etc.)
Benefits
- 100% paid employee healthcare premiums
- HaloScripts Concierge prescription medication service
- Generous PTO
- 401K
- Bonuses
- Tuition reimbursement
- 529 College Savings Plan
- College Loan Pay Back Program
- Referral Bonuses
