Senior Ontologist

Cyberhill is seeking a highly experienced Senior Ontologist to support our growing artificial intelligence initiatives. In this role, you will help develop and maintain Cyberhill's core upper ontology while extending its capabilities through domain- and client-specific ontologies.

What You Will Do

Collaborate with fellow ontologists to design, develop, maintain, and enhance Cyberhill's core and domain-specific ontologies. Develop and maintain ontology artifacts, including RDF and Turtle files, visualizations, and technical documentation.

Why It Might Be a Fit

The ideal candidate combines deep technical expertise with strong analytical thinking, creativity, and the ability to translate complex concepts into practical solutions.

Requirements

• 5+ years of professional experience in ontology development, knowledge representation, or semantic technologies within enterprise environments.
• Bachelor's degree in Philosophy, Computational Linguistics, Library and Information Science, Computer Science, or a related field emphasizing logic, analytical reasoning, and critical thinking.
• Strong knowledge of ontology and knowledge representation languages, including RDF/RDFS, OWL, CLIF, and CycL.
• Experience with ontology constraint and validation languages, such as SHACL and ShEx.
• Proficiency with ontology development tools, such as Protégé or TopBraid.
• Working knowledge of rule-based reasoning languages and frameworks, including SWRL, Datalog, or Drools.
• Demonstrated ability to develop, execute, and troubleshoot SPARQL queries.
• Familiarity with W3C standards and other open ontology and semantic web standards.
• Excellent analytical, problem-solving, documentation, and communication skills.
• Ability to collaborate effectively in multidisciplinary teams and work independently in a fast-paced environment.