May 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Bachelor’s degree in Human Factors, Human-Computer Interaction, Psychology, Cognitive Science, Engineering, or related discipline and 8–12 years of relevant experience OR Master’s degree in a related field and 6–10 years of relevant experience.
Possible Locations: Atlanta, Austin, Baltimore, Boston, Charlotte, Chicago, Cincinnati, Cleveland, Columbus, Costa Mesa, Dallas, Denver, Detroit, Gilbert, Harrisburg, Hartford, Houston, Indianapolis, Jacksonville, Kansas City, Las Vegas, Los Angeles, McLean, Mechanicsburg, Miami, Milwaukee, Minneapolis, Morristown, Nashville, New Orleans, New York, Orlando, Philadelphia, Pittsburgh, Portland, Raleigh, Richmond, Rosslyn, Sacramento, San Antonio, San Diego, San Francisco, San Jose, Seattle, St. Louis, Stamford, Tampa, Tempe. This role is hands-on and delivery-oriented: you will ship production pipelines and services that support model training, real-time inference, and LLM applications using Claude-, GPT/Codex-, and Gemini-class models, and more implemented with strong governance, observability, and cost/performance discipline.