QuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. The company’s next-generation batteries are designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources toward a lower carbon future. About the team: Manufacturing Quality is a diverse group of engineers and data scientists who bring deep expertise in materials science, electrochemistry, statistics, and machine learning. Our team thrives on data-driven decision-making and a shared commitment to drive continuous improvement to QuantumScape’s solid-state battery technology. We work closely with the Manufacturing, Reliability, and R&amp;D, groups to identify failure modes, engineer critical-to-quality specifications, and implement robust control strategies across all process areas. What we need: The Manufacturing Quality team is seeking a highly motivated principal-level data scientist who is energized about improving the quality and reliability of our solid-state Li metal batteries. As a team member, you will leverage a diverse set of methodologies to detect critical defect modes on our cells and develop robust specifications to be implemented on the manufacturing line. The ideal candidate has a hard sciences background, extensive industry experience, and the ability to communicate complex technical information to a diverse group of stakeholders. If you enjoy problem-solving and thrive in a highly collaborative, fast-paced environment, we’d like to hear from you. What You’ll do:<ul><li>Leverage advanced statistical and machine learning techniques to uncover complex patterns in large datasets of battery and component-level electrical test outcomes.</li><li>Build predictive models to identify key features in metrology and microscopy images of cells, separators, and cathodes to predict downstream electrical performance. Propose opportunities to tighten specifications to drive improved product reliability. </li><li>Collaborate with R&amp;D engineers through weekly in-person team meetings to generate new metrics and/or deep learning models to capture defect modes in 2D/3D images.</li><li>Analyze electrical test times-series data to build and improve ML models that identify and predict device failures. Maintain model performance as processes and chemistries change over time.</li><li>Leverage automation tools to execute training jobs in cloud infrastructure and automate pipeline steps like model evaluation and selection. Advance existing processes for subject matter experts to create labels.</li><li>Continuously study state-of-the-art data science methodologies through AI-assisted literature review, critically identify best options, and rapidly apply them to internal projects.</li></ul>  Skills You’ll Need:<ul><li>BS degree in Data Science/Statistics/Computer Science/Engineering/Applied Math/Applied Physics. MS or PhD preferred.</li><li>10+ years of Data Science or Machine Learning experience working on highly complex problems in the fields of Materials Science, Physics, Chemistry, Engineering, or equivalent fields.</li><li>Proficiency with Python data science and machine learning libraries, such as Pandas, Scikit-learn, SciPy, TensorFlow, PyTorch, etc.</li><li>Proficiency with SQL to query data from database and data warehouse storage (i.e.: GCP’s BigQuery)</li></ul><ul><li>Experience deploying machine learning models to production and contributing to the end-to-end lifecycle of an ML project including creating datasets, model training, deployment, and retraining</li></ul><ul><li>Industry or academic experience with statistical analysis for manufacturing processes, like regression (i.e.: linear, logistics), t-tests, comparison of different test groups, survival analysis, etc.</li><li>Experience developing machine learning models such as tree-based models (i.e.: decision trees, random forest, XGBoost, etc.) or deep learning models (i.e.: neural networks, autoencoders, etc.) to predict binary or continuous outcomes using large, complex datasets.</li><li>Ability to communicate findings to colleagues from various disciplines through clear and concise reports, presentations, and data visualizations.</li></ul><ul><li>Familiarity with version control systems like git</li></ul>  Nice to have: <ul><li>Fundamental understanding of battery electrochemistries and failure mechanisms. Familiarity of electrical test and metrics.</li><li>Proficiency with AI coding tools to accelerate data analysis and visualization, model development, etc.</li><li>Proficiency with JMP, Microsoft Office, VSCode, and Github Copilot.</li></ul> Physical requirements: <ul><li>Occasional work is performed in a dry room or lab area, requiring gowning in a full bunny suit</li><li>Sitting or standing for extended periods of time</li></ul> ONSITE:This position is required to work onsite 4-5 days per week to meet the minimum essential duties and requirements of this position.  As an on-site R&amp;D and manufacturing operations organization, in-person face to face interaction is essential to building authentic relationships, trust, teamwork, and collaboration.  Compensation &amp; Benefits: Expected salary range for this role is from $177,300 to $208,300, and a final salary will be determined by the candidate's experience and educational background. QuantumScape also offers an annual bonus and a generous RSU/Equity package as part of its compensation plan. In addition, we do offer a tremendous benefits plan including employee paid health care, Employee Stock Purchase Plan (ESPP), and other benefits. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive benefits and privileges of employment. Please contact us to request an accommodation.

<h1>QuantumScape is a leader in the development of next generation solid-state lithium-metal batteries for use in electric vehicles. The company’s mission is to revolutionize energy storage to enable a sustainable future.</h1><iframe src="https://player.vimeo.com/video/466298136" width="640" height="360" frameborder="0" allowfullscreen="true"></iframe><h1>Join our team</h1>Do you want to help build one of the most critical parts of the future energy economy? Come join us on our mission as we revolutionize energy storage to enable a sustainable future.

Data Scientist, Principal Member of Technical Staff

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About the Company

QuantumScape

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