Machine Learning Engineer-AI Assurance, Level II

Pacific Northwest National Laboratory•Richland, WA

98d•Onsite

About The Position

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 AI and Data Analytics Division, part of NSD, combines profound domain expertise and creative integration of advanced hardware and software to deliver computational solutions that address complex data and analytic challenges. Working in multidisciplinary teams, we connect foundational research to engineering to operations, providing the tools to innovate quickly and field results faster. Our strengths are integrated across the data analytics lifecycle, from data acquisition and management to analysis and decision support. PNNL is seeking a Data Scientist II - Machine Learning (ML)-AI Assurance Engineer who has experience refactoring and modularizing research code for maintainability, extensibility, and reusability. The selected candidate must be able to collaborate effectively across research and engineering teams to align research goals with deployment requirements, and to develop packages, APIs, and interfaces that enable straightforward integration into mission-relevant environments. They should be fluent in Python and modern ML frameworks, and comfortable working with unstructured, experimental code. This position is based in either Richland, WA or Seattle, WA and requires an onsite presence.

Requirements

BS/BA and 2 years of relevant experience -OR-
MS/MA -OR-
PhD
U.S. Citizenship
Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter in accordance with 10 CFR 710, Appendix B.
All Security Clearance positions are Testing Designated Positions, which means that the applicant selected for hire is subject to pre-employment drug testing, and post-employment random drug testing.
Applicants must be able to demonstrate non-use of illegal drugs, including marijuana, for the 12 consecutive months preceding completion of the requisite Questionnaire for National Security Positions (QNSP).

Nice To Haves

Degree in computer science, engineering, mathematics, or related fields
Experience in research engineering, ML engineering, AI systems integration, or applied data science
Strong proficiency in Python and experience with ML frameworks (e.g., PyTorch, TensorFlow, Hugging Face)
Comfortable navigating research codebases (Jupyter notebooks, unstructured scripts) and translating them into production-ready components
Excellent communication and cross-functional collaboration skills
SCI Clearance

Responsibilities

Refactor, modularize, and optimize research code for maintainability and scalability
Collaborate with researchers to understand algorithmic intent and with engineers to ensure integration into broader systems
Develop tools and APIs to enable integrations into mission-relevant environments and workflows
Write clear, well-documented code and participate in code reviews
Conduct work in secure environments and execute work from an operational security perspective

Benefits

Employees and their families are offered medical insurance, dental insurance, vision insurance, robust telehealth care options, several mental health benefits, free wellness coaching, health savings account, flexible spending accounts, basic life insurance, disability insurance, employee assistance program, business travel insurance, tuition assistance, relocation, backup childcare, legal benefits, supplemental parental bonding leave, surrogacy and adoption assistance, and fertility support.
Employees are automatically enrolled in our company-funded pension plan and may enroll in our 401 (k) savings plan with company match.
Employees may accrue up to 120 vacation hours per year and may receive ten paid holidays per year.

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