Lead Ontology, Knowledge Engineer

EngineerEngineerFull TimeRemoteTeam 10,001+Since 2020H1B No SponsorCompany SiteLinkedIn

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

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