InterImage
Ontological Engineer
$130K–$172K
Northern Virginia · Remote · Full-time · Posted Oct 22, 2026
- Experience
- No number of years specified.
- Education
- Degree in computer science, information technology, cyber, mathematics, or a related field.
- Visa sponsorship
- U.S. citizenship and eligibility to work in the United States are required.
About the job
Defines formal ontologies and machine-readable knowledge models that provide shared meaning and structured context for enterprise AI systems.
What you'll do
- Define domain concepts, entities, categories, attributes, and relationships in formal ontologies.
- Standardize vocabularies and build and maintain knowledge models using OWL, RDF, SPARQL, and SHACL.
- Provide context and guardrails for enterprise AI, knowledge graphs, Graph RAG, and LLM applications.
What they ask for
- Degree in computer science, information technology, cyber, mathematics, or a related field.
- Experience designing enterprise ontologies and controlled vocabularies, including hands-on work with upper or domain-specific ontology frameworks.
- Experience building AI systems from scratch and helping shape prototype applications.
- Proficiency with OWL, RDF, SPARQL, and SHACL; knowledge of knowledge graphs, Graph RAG, and LLM applications.
Nice to have
- Experience working with government customers.
- An active security clearance.
Pay
$129,813 - $172,500 USD base salary
Tools
OWL, RDF, SPARQL, SHACL, knowledge graphs, Graph RAG, LLM
AI focus
Provides structured context and guardrails for enterprise AI, knowledge graphs, Graph RAG, and LLM applications to improve reasoning, reduce hallucinations, and integrate heterogeneous data.
Model-written summary · the original posting is authoritative