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Ontological Engineer

Location: Remote
Compensation: Salary
Reviewed: Fri, Oct 23, 2026
This job expires in: 30 days

Job Summary

To support the development of AI solutions for government customers, the full-time Ontological Engineer will define domain concepts, standardize vocabularies, and build machine-readable knowledge models in a remote setting.

Key responsibilities
  • Define domain concepts, entities, categories, attributes, and relationships in formal ontologies
  • Standardize vocabularies to establish shared business or scientific meaning across systems and departments
  • Build and maintain machine-readable knowledge models using OWL, RDF, SPARQL, and SHACL
Required qualifications
  • Degree in computer science, information technology, cyber, mathematics, or a related field
  • Experience designing enterprise ontologies and controlled vocabularies
  • Proficiency with OWL, RDF, SPARQL, and SHACL standards
  • Knowledge of knowledge graphs, Graph RAG, and LLM applications
  • U.S. citizenship and eligibility to work in the United States are required

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