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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Machine Learning Engineer - **Company:** Pacific Northwest National Laboratory - **Location:** Seattle, WA, United States - **Experience:** Expert - **Salary:** $140,200.0 - **Contract:** Temporary contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Software Quality, Code Review, Python (Programming Language), Machine Learning, Tensorflow, Software Engineering, Jupyter Notebook, Pytorch, Modularization, Information Technology, HuggingFace, Machine Learning Operations - **Published:** August 14, 2026 - **Apply:** https://www.seattlejobs.com/job.asp?id=3353337336&tx=JT10193UTI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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, * Degree in computer science, engineering, mathematics, or a related field. * Experience in research engineering, ML engineering, AI systems integration, or applied data science. * Strong proficiency in Python and hands-on experience with ML frameworks (e.g., PyTorch, TensorFlow, Hugging Face). * Demonstrated ability to navigate research codebases (e.g., Jupyter notebooks, unstructured scripts) and translate them into production-ready components. * Experience designing and deploying scalable ML pipelines or AI-enabled tools in operational or mission-critical settings. * Excellent communication and cross-functional collaboration skills, with the ability to bridge research and engineering teams. Hazardous Working Conditions/Environment Not applicable. Additional Information This position requires the ability to obtain and maintain a federal security clearance. A security clearance background investigation includes review of your employment, education, financial, and criminal history, as well as interviews with you and your personal references, neighbors, and co-workers to determine trustworthiness, reliability, and loyalty to the United States. The investigation also examines your foreign connections, drug and alcohol use, foreign influence, and overall conduct., * U.S. Citizenship * Background Investigation: 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. * Drug Testing: 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. In addition, 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). Note: Applicants will be considered ineligible for security clearance processing by the U.S. Department of Energy if non-use of illegal drugs, including marijuana, for 12 months cannot be demonstrated. ## Description PNNL is seeking a Senior Machine Learning Engineer who has deep 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., * Leads the refactoring, modularization, and optimization of research code to improve maintainability, scalability, and production readiness. * Collaborates closely with researchers to understand algorithmic intent and with engineers to ensure seamless integration into broader systems and workflows. * Architects and develops tools, pipelines, and APIs that enable deployment into mission-relevant environments. * Influences technical roadmaps and architectural decisions for AI/ML infrastructure. * Evaluates and recommend emerging tools, frameworks, and practices to keep the team at the leading edge. * Establishes and promotes best practices for translating research outputs into robust, production-quality software. * Mentors junior staff on software engineering standards, code quality, and research-to-production workflows. * Writes clear, well-documented code and leads code reviews to uphold team standards. * Conducts work in secure environments with adherence to operational security requirements. ## Related Videos - [Data Science, ML & AI in the Oil and Gas Industry at NDT Global - Dr. Katja Träumner](https://www.wearedevelopers.com/videos/1308-data-science-ml-ai-in-the-oil-and-gas-industry-at-ndt-global-dr-katja-traumner) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. 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