Tsc
Senior AI Engineer
Dahlgren, VA · Senior · Contract
No sponsorship$60k-$301kDetected 30 days ago
PythonReactAngularNode.jsFastAPIFlaskFull-Stack DevelopmentDockerKubernetesAPI DevelopmentRESTTensorFlowPyTorchAirflowData EngineeringNLPLLMsRAGAgentic AICybersecurityBusiness DevelopmentSystems EngineeringResearchLeadership
About the role
- TSC is seeking a Senior Ontology Engineer in King George/Dahlgren, Virginia.
- The ideal candidate combines deep expertise in formal ontology and semantic web technologies with hands-on experience in data integration, graph database systems, large language models, and knowledge-driven data architecture development.
Responsibilities
- Design, develop, and maintain formal ontologies using OWL, RDF/RDFS, and SPARQL aligned with DoD mission engineering requirements and semantic interoperability standards.
- Build and deploy knowledge graph solutions that integrate structured and unstructured data sources across heterogeneous, multi-domain defense systems.
- Design and implement graph-based AI and semantic solutions, including LLM-integrated pipelines, RAG architectures, and agentic workflows that leverage knowledge graph representations.
- Collaborate with engineers, systems architects, and mission-domain SMEs to translate operational requirements into actionable ontological models and knowledge architectures.
- Support semantic integration and data interoperability efforts across legacy and modern system architectures, including graph database deployments (e.g., Stardog, Neptune, Neo4j).
- Lead the development and writing of technical approaches for proposals related to supporting the Navy adopt AI technologies
Requirements
- Bachelor's degree or higher in Computer Science, Information Science, Knowledge Engineering, or a related discipline
- 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
- Familiarity with graph database platforms such as Stardog, Blazegraph, Neo4j, or Amazon Neptune
- Secret (ability to obtain required)
- The ideal candidate has experience in technical writing and will work alongside the business development team to propose innovative solutions to address requests for proposals.
Nice to have
- Experience with U.S. Navy Combat Systems
- 2+ years of hands-on Python experience, including frameworks such as TensorFlow, PyTorch, rdflib, or owlready2, and ETL pipeline tools (e.g., Apache NiFi, Airflow)
- Practical experience with NLP, semantic search, prompt engineering, and LLMs for enterprise-scale knowledge graph applications including RAG architectures.
- Experience with agentic AI systems and multi-modal model integration applied to knowledge engineering problems
- PhD in Computer Science, Knowledge Engineering, Mathematics, or a related field, or a publication record in semantic web and knowledge representation
- U.S. Citizenship Required for this Position: Yes
- Security Clearance: Secret (ability to obtain required)
- Schedule: Full time (40 hr/week)
Compensation
- TSC offers a professional working environment, a competitive salary, and an excellent benefits package.
Benefits
- This position is designed to be flexible, with responsibilities evolving to meet program needs, emerging technology trends, and opportunities for individual professional growth.
- All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
Visa & Work Authorization
- Citizenship Required for this Position: Yes
This listing is sourced directly from Tsc's careers page and normalized into a canonical job model.