Knowledge Graph & Ontology Engineer

• Design and evolve EPC-domain ontologies covering equipment, materials, assets, vendor data, schedules, and engineering documents

• Build enterprise knowledge graphs using RDF/OWL and property graph models to unify structured and unstructured data

• Develop semantic taxonomies, metadata models, and controlled vocabularies for improved data interoperability

• Implement ETL/ELT pipelines to ingest data from ERP, BIM, EAM, procurement, and project systems into graph databases

• Perform entity resolution, deduplication, and golden record creation for EPC entities

• Enable semantic search and retrieval using SPARQL, Cypher, Gremlin, and hybrid graph + vector approaches

• Define ontology governance including versioning, lineage, stewardship, and change management processes

• Collaborate with SMEs to validate semantic models across EPC lifecycle stages (FEED, execution, commissioning, operations)

• Optimize graph performance through indexing, query tuning, caching, and scalable architecture design

• Develop documentation, data dictionaries, and adoption guidelines for enterprise-wide usage

• Support AI/ML integration including graph embeddings, RAG pipelines, and feature generation

• Contribute to roadmap and tooling strategy for enterprise semantic capabilities