Ontology Architect and Knowledge Modeling Specialist

Fantom Corporation•Chantilly, VA

About The Position

Fantom Corporation is seeking an Ontology Architect and Knowledge Modeling Specialist to support a mission-critical enterprise. The role is responsible for the semantic architecture design and implementation of enterprise knowledge graphs and ontological models. The position supports specialist engineers with domain-specific ontologies, transforms unstructured data into interconnected, machine-readable intelligence, and helps build trustworthy data models. It also monitors system health, user metrics, performance, and operational availability.

Requirements

  • Must possess an active Top Secret clearance.
  • Must be willing and able to obtain a polygraph.
  • Bachelor’s degree with 10 or more years of relevant experience, or a master’s degree with less than 2 years of relevant experience.
  • Be versed in machine-readable frameworks.
  • Strong technical expertise, with mentorship responsibilities and experience delivering process optimization.
  • Experience collaborating across teams and using secure software development practices.

Responsibilities

  • Transform unstructured data into interconnected, machine-readable intelligence.
  • Support specialist engineers with domain-specific ontologies.
  • Build trustworthy data models.
  • Monitor system health, user metrics, performance, and operational availability.
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