> Markdown version of [/jobs/ext/3660544-senior-ontology-data-modeler](https://www.wearedevelopers.com/jobs/ext/3660544-senior-ontology-data-modeler). 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). --- # Senior Ontology Data Modeler - **Company:** Henderson Scott - **Location:** Windsor Heights, IA, United States - **Experience:** Expert - **Salary:** $120,000.0 - $160,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Architecture, Data Governance, Database Queries, Graph Database, Metadata, Neo4j, Resource Description Framework (RDF), Search Technologies, Collibra, Data Management, Graph RAG, Software Version Control - **Published:** October 9, 2026 - **Apply:** https://www.disabledperson.com/jobs/75919910-senior-ontology-data-modeler ## About the Role Experience needed: Strong experience across data modelling, data architecture and ontology or semantic modelling. You should have hands-on knowledge of RDF, RDFS or OWL, knowledge graphs and conceptual, logical and physical data models., * Strong experience in data modelling, data architecture and semantic modelling * Hands-on knowledge of RDF, RDFS, OWL or related semantic technologies * Experience designing ontologies and enterprise knowledge graphs * Strong SQL skills and experience with modern cloud data platforms * Experience within insurance, ideally annuities, would be highly beneficial * Experience with Timbr, Amazon Neptune, Stardog, Neo4j or a similar platform * Familiarity with Collibra, Alation, Microsoft Purview or other governance tools * Exposure to AI, GraphRAG, semantic search or agentic AI initiatives would be advantageous ## Description We're looking for a Senior Ontology Data Modeler to design and maintain enterprise ontologies, semantic data models and knowledge graphs within a large insurance environment., * Design and maintain enterprise ontologies, semantic models and knowledge graphs * Define business entities, relationships, hierarchies and semantic rules * Develop conceptual, logical and physical data models * Translate business requirements and existing data logic into scalable semantic solutions * Map ontology concepts to physical data sources and validate model outputs * Manage ontology artifacts through version control, testing and controlled deployment * Support data governance, metadata, lineage and data quality initiatives