Senior AI Engineer
On-site · Dahlgren, Virginia, United States
Job Summary
Senior Ontology Engineer responsible for designing, developing, and maintaining ontological frameworks and knowledge graph solutions for defense mission engineering programs. Design and implement formal ontologies using OWL, RDF/RDFS, and SPARQL; build knowledge graph solutions that integrate structured and unstructured data across multi-domain defense systems; extend upper-level ontology frameworks and ensure alignment with DoD data standards; design and implement graph-based AI and semantic solutions including LLM-integrated pipelines, RAG architectures, and agentic workflows; collaborate with engineers, SMEs, and mission-domain teams to translate operational requirements into ontological models; support semantic integration across legacy and modern architectures with graph databases; lead the development and writing of technical approaches for proposals supporting Navy AI adoption. Requires deep expertise in knowledge engineering, ontology development, AI technologies for defense, and strong technical writing. Security clearance: SECRET; Location: Dahlgren, VA; Schedule: Full time; 0-10% travel. Emphasizes leadership, proposal development, and cross-functional collaboration; US citizenship is implied for DoD clearance requirements.
Required Qualifications
- Bachelor's degree or higher in Computer Science, Information Science, Knowledge Engineering, or a related discipline
- equivalent experience considered
- PhD with 2+ years of relevant experience, MA/MS with 5+ years of relevant experience, or BA/BS with 7+ years
- Hands-on experience with knowledge graph technologies including RDF, SPARQL, SHACL, and OWL for DoD or enterprise use cases
- Experience with schema design, ontology management, and knowledge graph curation
- Experience designing and developing end-to-end knowledge graph and AI data pipelines, including integration with LLMs or similar models
- Familiarity with graph database platforms such as Stardog, Blazegraph, Neo4j, or Amazon Neptune
- Ability to obtain and maintain a SECRET DoD Clearance
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