Senior Semantic Data Specialist (m/w/d)
Core
Designing and evolving ontology models and semantic data layers for enterprise applications across public administration, security, and energy sectors.
Role type
Senior IC semantic data engineer (ontology & knowledge graphs)
Builds
Ontology-based systems and semantic data platforms for B2B and public sector clients
Domain
Enterprise data management, semantic web, and AI integration
Deliverable
production ML models | product features
Required skills
Ontology engineering, Knowledge Graphs, Semantic Web standards (RDF, OWL, SPARQL), Graph database platforms (Neo4j, Apache Jena, Virtuoso), Python/Java programming, LLM integration, RAG technologies
Preferred skills
Enterprise ontology standards, complex domain modeling, industry best practices research
Responsibilities
Evolve and optimize ontology models in OGIT standard, design semantic data layers including ER modeling and namespace management, collaborate with product and sales to gather requirements, define data quality and compliance standards, mentor internal teams, research new semantic standards and tools, document ontology designs
Seniority
Senior, hands-on IC