Remote Principal Ontologist & Graph Architect

The Hartford seeks a Principal Ontologist and Graph Modeler to design, implement, and operationalize enterprise semantic models and knowledge graphs across the Business Insurance data portfolio. You will shape ontology vocabularies, ensure interoperability, and enable explainable AI for analytics and decision automation. In this 100% remote role, you will partner with data engineers, AI architects, and domain leads to deliver scalable semantic assets, drive governance, and promote reusable