Ontologist Sr

• Develop refine and maintain domain-specific ontologies to support structured data integration semantic search and AI-assisted decision support.
• Enforce adherence to W3C standards and metadata alignment between Databricks Unity Catalog GIS metadata systems and operational data stores.
• Collaborate with data scientists and analysts to ensure ontology-driven tagging and entity resolution enhance the relevance of research outputs.
• Submit the Ontology Governance & Standardization Report detailing ontology updates integrations and compliance with metadata standards.

• Possess the knowledge and capability to develop ontologies
• Proficiency in writing advanced SPARQL queries
• Strong skills in the W3C Web Ontology Language (OWL)
• Solid understanding of Basic Formal Ontology (BFO) and Common Core Ontologies (CCO)
• Proficiency in both Java and Python for ontology-driven application development
• Experience with Bash scripting for automation tasks.
• Hands-on experience with ESRI data tools including ArcGIS
• Background in DevSecOps practices version control systems (e.g. Git) and CI/CD pipelines
• Strong analytical skills attention to detail and the ability to work collaboratively
• Candidates should have demonstrated expertise in ontology design semantic data modeling and SPARQL query development with proficiency in W3C standards (RDF OWL SHACL) and supporting frameworks like Basic Formal Ontology (BFO) and Common Core Ontologies (CCO).

ABOUT NALLEY CONSULTING

Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions. Created by a U.S. Navy intelligence veteran Nalley Consulting has grown to include multiple IDIQ vehicles in several states.

Nalley Consulting fringe benefits include:

• Excellent medical dental and vision benefits
• PTO
• 11 paid federal holidays
• Tuition assistance
• Paid military-reserve leave
• Paid parental leave for birth or adoption
• 401k matching up to 5 percent of the base salary
• Flex time
• Company-paid short-term disability long-term disability and life insurance.