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Data Scientist, AI Assurance - Level 3

Pacific Northwest National Laboratory

Seattle, WA
Full Time
Senior
137k-224k
8 days ago

Job Description

About the Role

At PNNL, our core capabilities are divided among major departments called Directorates, each focused on specific scientific research or functions. The Science & Technology directorates include National Security, Earth and Biological Sciences, Physical and Computational Sciences, and Energy and Environment. The AI and Data Analytics Division, part of the National Security Directorate, combines domain expertise and advanced hardware and software to deliver computational solutions for complex data and analytic challenges. The division works in multidisciplinary teams to connect research to engineering and operations, providing tools to innovate and deploy results rapidly. The role involves working in secure environments to develop and evaluate AI assurance methods, bridging research and real-world deployment, with a focus on advancing AI safety, robustness, and reliability.

Key Responsibilities

  • Train AI models and analyze internal model behaviors to uncover decision boundaries and data characteristics.
  • Design and execute machine learning experiments following current best practices, including large-scale experiments on HPC systems.
  • Evaluate AI systems across multiple axes, including performance metrics and generalization to out-of-distribution data.
  • Assess empirical results to guide future research and experimental directions.
  • Refactor, modularize, and optimize research code for maintainability and scalability.
  • Build tools and APIs for seamless deployment and integration with unstructured code.
  • Collaborate with researchers to understand algorithmic intent and with engineers to ensure system integration.
  • Develop tools and APIs to enable integration into mission-relevant environments and workflows.

Requirements

  • BS/BA and 5+ years of relevant work experience, or
  • MS/MA and 3+ years of relevant work experience, or
  • PhD with 1+ year of relevant experience.
  • Proficiency with PyTorch and other deep learning libraries such as TensorFlow and Hugging Face.
  • Ability to translate academic methods into deployable tools or workflows.
  • Excellent communication and cross-functional collaboration skills.
  • Familiarity with current ML research landscape, especially XAI, adversarial ML, AI safety, and deep learning.
  • Hands-on experience analyzing internal structures of deep learning models, particularly LLMs and vision models.
  • Experience in research engineering, ML engineering, AI systems integration, or applied data science.
  • Strong proficiency in Python and experience with ML frameworks.

Nice to Have

  • Interest in taking research prototypes to deployable tools for AI researchers.
  • Experience with research codebases such as Jupyter notebooks and unstructured scripts.
  • Ability to understand and implement algorithmic intent into production systems.

Qualifications

  • Educational background as specified in requirements (BS, MS, or PhD).

Benefits & Perks

  • Health insurance, dental insurance, vision insurance
  • Health savings account, flexible spending accounts
  • Basic life insurance, disability insurance
  • Employee assistance program, business travel insurance
  • Tuition assistance, parental bonding leave, surrogacy and adoption support, fertility support
  • Company-funded pension plan and 401k savings plan
  • Up to 120 vacation hours per year, ten paid holidays

Working at Pacific Northwest National Laboratory

PNNL is committed to fostering a work environment of fairness and respect, emphasizing integrity, creativity, collaboration, impact, and courage. The laboratory values diversity and strives to provide reasonable accommodations for individuals with disabilities. It promotes an innovative research environment with a focus on meaningful science and impactful outcomes for the U.S. Department of Energy and other sponsors.

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Job Details

Posted AtJul 15, 2025
Job CategoryData Science
Salary137k-224k
Job TypeFull Time
Work ModeOnsite
ExperienceSenior

Job Skills

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About Pacific Northwest National Laboratory

Website

pnl.com

Location

Seattle, WA

Industry

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

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