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Remote Ontology Business Consultant (Ontologist / Knowledge Graph Consultant)

Contract: 6 Months
Pay Rate: $60 per hour

We are seeking an experienced Ontology Business Consultant to support the design and implementation of enterprise semantic data models and knowledge graphs for a large-scale data initiative. This is a 6-month contract opportunity paying $60 per hour, working closely with business stakeholders, data architects, and engineering teams to translate complex business concepts into structured ontologies that power intelligent data systems.

Tech Stack: RDF, OWL, SHACL, SPARQL, Protégé, Stardog / GraphDB / Blazegraph / Neptune, SKOS taxonomies

Why This Role Matters

This project supports a major enterprise data modernization initiative focused on building a knowledge graph that connects previously siloed data across multiple business domains.

The ontology developed in this role will power advanced search, intelligent data integration, and AI-driven insights, helping the organization unlock the full value of its data ecosystem.

What You’ll Be Doing Day-to-Day

  • Designing domain ontologies that define entities, relationships, and business concepts.
  • Translating business requirements into semantic data models and RDF/OWL ontologies.
  • Collaborating with data engineers to map structured and unstructured data into a knowledge graph architecture.
  • Writing SPARQL queries to test, validate, and analyze semantic data models.
  • Using Protégé and SHACL to design ontologies and define constraints.
  • Developing and managing taxonomies and controlled vocabularies using SKOS.
  • Supporting knowledge graph implementation within platforms such as Stardog, GraphDB, Blazegraph, or AWS Neptune.
  • Documenting semantic models and establishing best practices for ontology governance and reuse.
  • Working with business stakeholders to ensure semantic models accurately represent domain knowledge.

Required Qualifications

  • Experience designing enterprise ontologies and semantic data models.
  • Strong understanding of RDF, OWL, and SPARQL.
  • Experience working with knowledge graph databases (Stardog, GraphDB, Blazegraph, Neptune, or similar).
  • Experience with ontology modeling tools such as Protégé.
  • Familiarity with taxonomy development and semantic standards such as SKOS and SHACL.
  • Ability to translate business requirements into semantic data models.

Preferred Qualifications

  • Experience implementing enterprise knowledge graph architectures.
  • Background in data architecture, semantic integration, or metadata management.
  • Experience supporting AI/ML or advanced analytics initiatives using semantic data models.
  • Previous consulting or stakeholder-facing experience.

Please email your resume to [email protected]