CareerPlan

Senior Associate, Ontology and Data Modeling

McLean, VA, USFull-time$101k–$138k2026-08-31 → 2026-11-11
Based in United StatesNo visa sponsorship

Core

Develop, implement, and govern enterprise ontologies and optimized data models to support Capital One's Data Strategy, data discoverability, and semantic technology integration.

Role type

Senior IC data modeling and ontology engineer

Builds

Enterprise ontologies, standardized data models, and semantic technology integrations for Finance and Enterprise products

Domain

Financial services + Semantic Web / Knowledge Organization

Deliverable

production ML models | product features

Required skills

Ontology development and governance, Data modeling, W3C standards (RDF, RDFS, OWL, SKOS, SHACL), Linked data, SQL, SPARQL, Ontology tools (Protégé, TopQuadrant, PoolParty, Stardog, AnzoGraph, Neptune, Data.World)

Preferred skills

Graph databases, Python, R, JSON, OpenAPI/YAML, AVRO, AWS, Agile methodologies

Technologies

Protégé, TopQuadrant, PoolParty, Stardog, AnzoGraph, Neptune, Data.World, RDF, RDFS, OWL, SKOS, SHACL, JSON, XML, SPARQL, SQL, Python, R, AWS

Responsibilities

Develop and govern ontologies and data models, Contribute to data integration and mapping, Partner with Technology and ML teams, Analyze knowledge organization strategies, Develop standards and guidelines, Test and troubleshoot models and systems

Seniority

Senior, hands-on IC