Senior AI Engineer: Ontologies & Knowledge Graphs

Lockheed Martin Corporation; Richmond (VA); On-site; USD 110,000 - 205,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Flexible work arrangements

401(k) match

Paid time off

Parental Leave

Job summary

Lockheed Martin Corporation seeks a Senior AI Engineer focused on ontologies, knowledge graphs, and production AI systems. You will turn complex enterprise data into trusted knowledge that AI applications can understand and use, working directly with users, domain experts, data owners, and platform teams.

This role emphasizes forward-deployed engineering: identify problems, build solutions, deploy, and improve through feedback.

Qualifications

• Experience designing ontologies or knowledge graphs with RDF, OWL, and SPARQL.

Responsibilities

• Define problems, outcomes, and requirements with users/domain experts.
• Convert enterprise concepts into ontologies and semantic models.
• Design knowledge graphs connecting business meaning to data.
• Build AI agent workflows for ontology artifacts.
• Develop evaluation methods for AI quality, traceability, and safety.
• Integrate databases, APIs, files, and cloud platforms.
• Build production software across services, APIs, and web apps.
• Create tests and controls for AI output and production behavior.
• Deploy software through automated pipelines and containers.
• Observe and resolve production issues across components.
• Make tradeoffs among user value, quality, and security.
• Present technical decisions to teams and leadership.
• Review designs/code and mentor engineers.
• Apply lessons to reusable platform capabilities.

Skills

Python

Ontologies

Knowledge graphs

RDF/OWL/SPARQL

AI/ML deployment

User collaboration

Education

Bachelor's degree in Computer Science, Engineering, Data Science, Applied Mathematics, or related STEM field

Master's degree with 3+ years of relevant experience

Tools

Django

REST APIs

PostgreSQL

Redis

Docker

Kubernetes

CI/CD

React/TypeScript

Job description

Lockheed Martin Corporation seeks a Senior AI Engineer focused on ontologies, knowledge graphs, and production AI systems. You will turn complex enterprise data into trusted knowledge that AI applications can understand and use, working directly with users, domain experts, data owners, and platform teams.

This role emphasizes forward-deployed engineering: identify problems, build solutions, deploy, and improve through feedback.