We are seeking an experienced Ontology / Knowledge Graph Engineer with strong expertise in ontology engineering, semantic modeling, and knowledge graph development. The ideal candidate will have hands-on experience designing and implementing ontology-driven knowledge graphs using standards such as OWL, RDF, SPARQL, SHACL, and JSON-LD.
Required Skills
- Strong experience in Ontology Engineering and ontology-driven knowledge graph design.
- Expertise in Knowledge Modeling and Semantic Modeling.
- Hands-on experience with OWL, RDF, SPARQL, SHACL, and JSON-LD.
- Experience with Ontological Inference and consistency checking.
- Strong knowledge of Knowledge Graphs, RDF Graphs, and Property Graphs.
- Experience with Graph Data Modeling and Graph Analytics.
- Hands-on experience with Entity Resolution.
- Ability to design and implement scalable semantic and knowledge graph solutions.
Technologies / Tools
- Protégé
- TopBraid Composer
- OntoStudio
- Neo4j
- Stardog
- GraphDB
- Apache Jena
- Fuseki
- Blazegraph
- Virtuoso
Key Responsibilities
- Design, develop, and maintain enterprise ontologies and semantic models.
- Build ontology-driven Knowledge Graph (KG) solutions aligned with business and technical requirements.
- Develop and manage RDF-based knowledge graphs using OWL, RDF, SPARQL, SHACL, and JSON-LD.
- Implement ontological inference and reasoning capabilities.
- Perform consistency checking and validation of ontologies and knowledge graph data.
- Develop graph data models and support both RDF and property graph architectures.
- Implement entity resolution and semantic relationships across disparate data sources.
- Perform graph analytics to derive insights from connected data.
- Use ontology and knowledge graph tools such as Protégé, TopBraid Composer, Stardog, GraphDB, Neo4j, and Apache Jena.
- Collaborate with data engineers, architects, and business stakeholders to define semantic requirements and modeling standards.
- Establish best practices for ontology governance, versioning, validation, and knowledge graph quality.