Lead Ontology, Knowledge Engineer
Location
Connecticut
Posted
53 days ago
Salary
$132.4K - $251.6K / year
Bachelor Degree10 yrs expEnglishERPPython
Job Description
• Develop and maintain enterprise-grade ontologies (OWL/RDF) that model the complex domain of aerospace engineering, manufacturing, and supply chain.
• Define the semantic schema for AI Agents, ensuring they share a common vocabulary when communicating across different business units.
• Lead the architecture and deployment of our Enterprise Knowledge Graph.
• Build data pipelines (Python) to ingest data from legacy ERP systems, PLM software, and unstructured documents into the graph.
• Implement Entity Resolution and linking strategies to unify disparate data points across the organization.
• Collaborate with AI Engineers to design "Context Windows" for LLMs.
• Work on Causal Inference models: Structure data to help agents distinguish between correlation and causation.
• Establish semantic standards and data governance policies for the AI ecosystem.
Job Requirements
- Bachelor’s degree in Computer Science, Information Science, Mathematics, or related field with 10+ years of relevant experience; OR a Master's degree with 8+ years of relevant experience; OR a PhD in Computer Science, Information Science, Mathematics, or related field with 5+ years of relevant experience.
- 5+ years in Ontology Engineering, Knowledge Representation, or Data Modeling.
- Proficiency in Graph Query Languages (SPARQL, Cypher, Gremlin).
- Strong coding skills in Python (essential for our AI stack).
- Experience with semantic web standards (RDF, OWL, SKOS, SHACL).
- Experience working with LLMs, Vector Databases, and RAG architectures.
- Experience in manufacturing, aerospace, or complex supply chain environments is a strong plus.
- U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Benefits
- medical, dental, vision, life insurance
- short-term disability
- long-term disability
- 401(k) match
- flexible spending accounts
- flexible work schedules
- employee assistance program
- Employee Scholar Program
- parental leave
- paid time off
- holidays