Lead Ontologist
Bethesda, MDOtherRemote
Summary
Leads ontology design to build knowledge-first systems, translating business use cases into semantic models using RDF/OWL and SPARQL. Collaborates with stakeholders, ensures FAIR data principles, and communicates technical results to non-experts.
About the role
Responsibilities
- Work with stakeholders to clarify use cases, define competency questions, and translate into semantic models, schemas, and query patterns.
- Design and build models using LinkML and RDF/OWL.
- Define query skeletons and ensure data transformation aligns with business intent.
- Communicate results internally and with clients, explaining system capabilities.
Requirements
- Strong experience with semantic standards: RDF, RDFS, OWL.
- SPARQL, including query design.
- SHACL, with clear understanding of constraints versus semantics.
- Experience designing and working with ontologies in real-world systems.
- Understanding and practical experience with FAIR Data.
- Demonstrated ability to translate business problems into structured representations, including use cases, questions, and models.
- Strong communication skills, able to explain technical concepts to non-experts and bridge technology and business needs.
- Comfortable working in an iterative, ambiguous environment with evolving requirements.
Preferred Skills and Experience
- Experience with LinkML.
- Understanding of Labeled Property Graphs (LPG) and OpenCypher.
- Experience with vocabulary standards such as SKOS.
- Experience with data catalog and data product standards, including DCAT and DPROD.
- Background in life sciences or pharma, including translational medicine, clinical data, or real-world data.
- Familiarity with BioLink and other domain models.
- Experience with bioinformatics and biomedical ontology resources.
- Experience with data profiling, reconciliation, and mapping processes.
- Experience with knowledge graph platforms or graph databases.
- Experience in client-facing roles such as workshops, design sessions, and presentations.
Skills
RDFRDFSOWLSPARQLSHACLLinkMLFAIR DataSKOSDCATKnowledge Graphs