Capital One
Principal Associate, Ontology and Data Modeling
$119K–$164K
McLean, VA +4 · Principal · Full-time · Posted Aug 31, 2026
- Location
- McLean, VA
Cambridge, MA
Richmond, VA
New York, NY
Plano, TX - Experience
- At least 3 years in a metadata field of work, or a master’s degree in a listed field; at least 3 years’ experience or training with W3C standards and ontology/linked data tools; at least 3 years’ experience with SQL, SPARQL, or a combination.
- Education
- Bachelor’s degree in information science, computer science, engineering, library science, ontology, semantics, computational linguistics or a combination. A master’s degree in a listed field may substitute for the metadata-work experience requirement.
- Visa sponsorship
- Capital One will not sponsor a new applicant for employment authorization for this position.
About the job
Develops and governs enterprise ontologies and data models, helping standardize and integrate data and semantic technology across Capital One products and teams.
What you'll do
- Develop, implement, and govern ontologies and data models with stakeholders to improve data discoverability, search, and product development.
- Harmonize data through integration and mapping, and partner with Technology and Machine Learning teams to integrate semantics into products and services.
- Advocate for ontology and data standards, develop related guidelines, and test or troubleshoot models and systems.
What they ask for
- Bachelor’s degree in information science, computer science, engineering, library science, ontology, semantics, computational linguistics or a combination.
- At least 3 years’ experience in a metadata field of work, or a master’s degree in a listed field.
- At least 3 years’ experience or training using W3C standards and linked and canonical data, including JSON, XML, RDF, RDFS, OWL, and SKOS.
- At least 3 years’ experience or training with ontology and linked data tools, and at least 3 years’ experience with SQL, SPARQL, or a combination.
Nice to have
- Master’s degree in a listed field; understanding of ontology development and controlled vocabularies or thesauri.
- Familiarity with graph databases, Python or R, JSON, OpenAPI/YAML, AVRO, Agile, or Amazon Web Services.
Pay
$131,300 - $149,800 USD base salary (Cambridge, MA); $131,300 - $149,800 USD base salary (McLean, VA); $143,200 - $163,500 USD base salary (New York, NY); $119,400 - $136,200 USD base salary (Plano, TX); $119,400 - $136,200 USD base salary (Richmond, VA)
Tools
JSON, XML, RDF, RDFS, OWL, SKOS, SQL, SPARQL
AI focus
Analyze and implement knowledge organization strategies using tools capable of machine learning, ontology management, and semantic enrichment; partner with Machine Learning teams on semantic product integration.
Model-written summary · the original posting is authoritative