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
Complete Job Description
The complete job description is available to members. Premium membership includes:
Full access to 39,823 remote jobs from human-vetted companies, updated daily
Resume Builder - AI-powered tool to craft, enhance, and tailor your resume to a specific job
Twice-monthly live group coaching and the full Remote Career Center
20% member discount on Career Services
Backed by a 30-day money-back guarantee