Staff AI Engineer - Ontologies & Knowledge Graphs (Remote)

Lockheed Martin Corporation; Four Winds (AL); On-site; USD 151,000 - 280,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Flexible work arrangements

401(k) match

Paid time off and holidays

Job summary

Lockheed Martin Corporation seeks a Staff AI Engineer focused on ontologies, knowledge graphs, and production AI systems. You will define how enterprise data becomes trusted knowledge for AI applications, working directly with users and domain experts.

You will lead technical discovery, define architectures, and guide deployment from discovery to production. This senior role requires technical judgment, mentorship, and clear communication with stakeholders.

Qualifications

• Bachelor's degree in a related STEM field with 9 years of experience or advanced degrees with scaled experience.
• Experience developing production software in Python and architecting distributed or cloud-based systems.
• Experience architecting and deploying production AI, LLM, machine learning, or agent-based systems.
• Experience designing ontologies or knowledge graphs with RDF, OWL, SPARQL.
• Experience leading technical work across teams and converting unclear user needs into deployed solutions.

Responsibilities

• Lead technical discovery with users, domain experts, data owners, and engineering teams.
• Convert business needs into system requirements, architecture decisions, and delivery plans.
• Define architectures for AI agents, ontologies, knowledge graphs, data integrations, and user applications.
• Design semantic models that represent business concepts instead of physical source structures.
• Establish methods for ontology governance, source traceability, evaluation, version control, and human review.
• Build AI agent workflows that create, test, and improve trusted knowledge artifacts.
• Define evaluation methods for AI quality, semantic accuracy, query results, reliability, cost, and latency.
• Integrate databases, APIs, files, cloud platforms, and enterprise data systems.
• Lead development across services, APIs, background jobs, web applications, and graph query systems.
• Guide deployment through automated pipelines, containers, and cloud platforms.
• Resolve complex failures across AI models, applications, data sources, and infrastructure.
• Make tradeoffs among user value, security, quality, schedule, cost, and long-term support.
• Convert engagement-specific solutions into reusable platform capabilities.
• Review architecture and code for quality, security, supportability, and system fit.
• Mentor engineers and establish consistent engineering practices across teams.
• Present technical decisions, risks, and results to technical and business leaders.
• Influence technical direction across teams without formal authority.

Skills

Python production software

Distributed/cloud systems

Ontologies/knowledge graphs

AI/ML model deployment

Leadership across teams

Mentoring engineers

Security and reliability

System design and architecture

Education

Bachelor's degree in a related STEM field

Master's degree +7 years or PhD +4 years

Tools

Docker

Kubernetes

PostgreSQL

OpenShift

Job description

Lockheed Martin Corporation seeks a Staff AI Engineer focused on ontologies, knowledge graphs, and production AI systems. You will define how enterprise data becomes trusted knowledge for AI applications, working directly with users and domain experts.

You will lead technical discovery, define architectures, and guide deployment from discovery to production. This senior role requires technical judgment, mentorship, and clear communication with stakeholders.