Senior Semantic Engineer / Ontology Engineer

Aequor Technologies LLC • East Hanover, New Jersey, United States • Posted May 16, 2026

Position Overview

Job Title: Senior Semantic Engineer / Ontology Engineer
Location: East Hanover (Onsite: 3days & 2 days remote a week)
Pay Rate: ***/Hour - ***/Hour (Lowest is better)

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 semantics, reusable meaning, governance-by-design, and measurable business outcomes. You ll work across RDF and property graph paradigms and Snowflake semantic layer.

What You ll Do
" Design and evolve healthcare ontologies and semantic models to standardize meaning across domains (clinical, patient, provider, claims, access, quality, outcomes).
" Design data products that are AI-ready and leverage ontologies and seman...