principal machine learning AI Engineer ic Bachelor's · Posted Feb 27, 2026

About this role

PNNL is hiring a principal-level AI Engineer in the machine learning function based in Richland, WA. The posting calls out experience with Python, C++, System Design, A/B Testing. Listed education preference: a bachelor's degree or equivalent.

Role
AI Engineer
Function
machine learning
Level
principal
Track
Individual contributor
Location
Richland, WA
Education
Bachelor's degree
Department
National Security
Posted
Feb 27, 2026
AI Summary
Lead design and implementation of AI-enabled autonomous robotic systems, translating advanced ML algorithms into fieldable hardware across air, ground, maritime, subsea, and space domains. Requires deep expertise in mechanical engineering, robotics integration, autonomy architectures, and physical/digital test infrastructure to bridge mechanical design, embedded systems, and autonomy software.

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Job description

from PNNL careers
Overview

At PNNL, our core capabilities are divided among major departments that we refer to as Directorates within the Lab, focused on a specific area of scientific research or other function, with its own leadership team and dedicated budget.  

 

Our Science & Technology directorates include National Security, Earth and Biological Sciences, Physical and Computational Sciences, and Energy and Environment. In addition, we have an Environmental Molecular Sciences Laboratory, a Department of Energy, Office of Science user facility housed on the PNNL campus. 

  

The National Security Directorate (NSD) drives science-based, mission-focused solutions to take on complex, real-world threats to our nation and the world. 

 

The Physical Detection Systems and Deployment Division, part of the NSD, delivers policy-informed technology solutions by removing barriers to real-world implementation. We strive to understand end-user environments to transition technology from the developmental stage to deployment. Our diverse expertise in operational systems provides tools, technologies, and approaches for combating a range of threats, both at home and in more than 100 countries around the globe.

This is an excerpt. Read the full job description on PNNL careers →
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