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Senior Ontology Engineer

Location: Remote
Compensation: Salary
Reviewed: Fri, Aug 21, 2026
This job expires in: 21 days

Job Summary

To support the AI, ML, and Data Science team, the full-time Senior Ontology Engineer will design and maintain formal ontological architectures for cross-organizational data alignment, working remotely while collaborating with domain experts and technical teammates.

Key responsibilities
  • Design and maintain ontologies covering canonical structures and source data, ensuring alignment and consistency
  • Establish mappings from trading partner data to the canonical ontology with documented provenance and validity conditions
  • Collaborate with internal and external stakeholders to ensure the ontological architecture meets transactional, clinical, and analytical requirements
Required qualifications
  • Over 4 years of experience in knowledge engineering or ontology development
  • Demonstrated experience in building and maintaining domain ontologies using Protege or equivalent
  • Expertise in SPARQL and/or Cypher for querying ontology-aligned data stores
  • Proficiency in Python or similar for ontology tooling and data analysis
  • Experience directing or evaluating LLM-assisted knowledge extraction pipelines with formal validation requirements

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