Accenture
Ontology Architect and Knowledge Modeling Specialist - SME
$110K–$214K
Chantilly, VA +1 · Full-time · Posted Oct 14, 2026
- Location
- Chantilly, VA
Chantilly, Virginia, United States - Experience
- 10 years of experience in semantic architecture or a related field
- Education
- Bachelor’s degree required
- Visa sponsorship
- Applicants must have work authorization that does not now or in the future require visa sponsorship for employment authorization in the United States.
About the job
Leads the design and implementation of enterprise knowledge graphs and semantic models to make data interoperable and support semantic search and AI capabilities.
What you'll do
- Build domain ontologies, taxonomies, and controlled vocabularies using semantic web standards.
- Design semantic schemas and integrate them with graph databases and AI pipelines.
- Establish governance, validation, and data harmonization processes to improve data quality and enable entity resolution.
What they ask for
- U.S. Citizen with Active TS/SCI CIP
- Bachelor’s degree
- Proficiency in OWL, RDF, and SHACL
- Experience with enterprise graph databases and semantic schema design
Nice to have
- Familiarity with Retrieval-Augmented Generation and vector search structures
- Strong collaboration skills with cross-functional teams
Pay
$109,500 — $213,500 USD (base salary)
Tools
OWL, RDF, SHACL, GraphDB, Neo4j, Retrieval-Augmented Generation
AI focus
Integrates semantic frameworks with AI pipelines and enables semantic search, entity resolution, and context-aware AI capabilities.
Model-written summary · the original posting is authoritative