Description: Job Title: Senior Semantic Engineer / Ontology Engineer Location: East Hanover (Onsite: 3days & 2 days remote a week) Job Description: We are hiring a Senior Semantic Engineer / Ontology Engineer to lead the design of healthcare-grade ontologies and semantic layers that power trusted analytics, interoperable data products, and AI-ready knowledge systems. You will apply metrics-first semantic modeling and ontology engineering practices aligned to the principles such as clear s