Job Overview
Location: United States – Baltimore, MD (100% Onsite)
Position Summary:
Pn Automation is seeking an Ontology Engineer to support the design and development of semantic data models, ontologies, knowledge graphs, and AI-enabled decision-support solutions. The selected candidate will be responsible for creating and maintaining structured knowledge representations that support data integration, automated reasoning, analytics, and mission-focused operational capabilities. Candidates must have a current existing secret security clearance and be a U.S. citizen.
Responsibilities
- Design, develop, and maintain ontologies, taxonomies, and semantic data models.
- Develop and manage knowledge graph schemas representing entities, relationships, and operational concepts.
- Support entity extraction, classification, and relationship mapping activities.
- Collaborate with software engineers, data engineers, and AI specialists to integrate semantic technologies into enterprise applications.
- Develop metadata standards and information models supporting interoperability and data sharing.
- Support automated reasoning, knowledge management, and analytical capabilities.
- Participate in testing, demonstrations, and technical evaluations.
- Contribute to technical documentation and architecture artifacts.
Required Qualifications
- Bachelor’s degree in Computer Science, Information Systems, Data Science, Artificial Intelligence, Engineering, or related discipline.
- 5+ years of experience in ontology engineering, semantic technologies, data modeling, or knowledge management.
- Experience developing ontologies, taxonomies, and semantic data models.
- Experience with RDF, OWL, SPARQL, graph databases, or related semantic technologies.
- Experience supporting knowledge graph development and relationship modeling.
- Experience with Python, Java, or similar programming languages.
- Strong understanding of information architecture and data integration principles.
Preferred Qualifications
- Experience with Neo4j, Cosmos DB, Amazon Neptune, or similar graph technologies.
- Experience with AI/ML, knowledge extraction, entity resolution, or automated reasoning solutions.
- Experience supporting Federal Government technology programs.
- Experience with cloud platforms such as AWS and/or Azure.
- Familiarity with cybersecurity, operational technology, or critical infrastructure environments.
Security and Eligibility Requirements
- U.S. Citizens with active TS Security Clearance.
Pay: Up to $140,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Health insurance
- Paid time off
- Vision insurance
Work Location: In person
