Senior AI Ontology Engineer - Secure Knowledge Graphs

Lockheed Martin; Fort Worth (TX); On-site; USD 105,000 - 195,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) match

Paid time off

Job summary

Lockheed Martin seeks a Senior AI Ontology Engineer to design, build and maintain semantic knowledge frameworks for mission-critical programs. You will craft formal ontologies, develop knowledge graphs, and implement reasoning engines to support AI/ML decision-making in secure environments.

You will collaborate with data scientists and mission stakeholders, ensure data integrity and security, and mentor junior engineers while documenting architectures for diverse audiences.

Qualifications

• Bachelor’s degree in a related field.
• 5+ years in ontology engineering, knowledge graphs, or semantic data modeling.
• Hands-on with OWL, RDF/RDFS, SPARQL and Protégé.
• Experience building knowledge graphs and ontology-driven systems.

Responsibilities

• Design formal ontologies (OWL, RDF/RDFS) for defense/intelligence domains.
• Build and maintain knowledge graphs across secure environments.
• Implement semantic reasoning engines and rules for AI/ML support.
• Develop ontology governance including versioning and QA.

Skills

Ontology engineering

Knowledge graphs

Semantic data modeling

Python

Security data handling

Semantic reasoning

Data integration

Education

Bachelor's degree in CS/IS/Knowledge Engineering

Job description

Lockheed Martin seeks a Senior AI Ontology Engineer to design, build and maintain semantic knowledge frameworks for mission-critical programs. You will craft formal ontologies, develop knowledge graphs, and implement reasoning engines to support AI/ML decision-making in secure environments.

You will collaborate with data scientists and mission stakeholders, ensure data integrity and security, and mentor junior engineers while documenting architectures for diverse audiences.