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Battery Cell Engineer


This is a Contract position in Redmond, WA posted March 11, 2021.

As a Battery Cell Engineer at Facebook, you will help architect and implement battery-based products for the future of AR/VR. You should be passionate, and an expert about cell chemistry, materials, configurations, and product tradeoffs. You will directly own the design, implementation, and validation of cells across product lifecycle from initial conception to mass production. You will also be involved in researching, qualifying and productizing new battery technologies including new materials, form factors, and product use cases.
  • Develop Li-ion cells for consumer electronics applications working with a cross-function team of mechanical, electrical, reliability and safety engineers.
  • Work with vendors to mass produce cells in a cost-effective way.
  • Develop specifications and qualification methods for cell performance and reliability.
  • Conduct testing, evaluation, and failure analysis of cells during new product development, reliability testing, and potential field returns.
  • Evaluate emerging cell technologies, suitability for consumer electronics applications, and timelines for commercial introduction.
  • Work with external partners to demonstrate and accelerate new technology introduction.
  • Travel requirements: 10-15%.
  • MS in Material Science, Electrochemistry, or Chemical Engineering or equivalent experience.
  • 5+ years of direct experience in Li-ion battery development including components such as electrodes, electrolytes, separators, additives etc.
  • Knowledge of electrochemistry as it relates to Li-ion batteries in a production environment.
  • Experience in battery characterization to meet application performance requirements and regulatory compliance.
  • Knowledge of process statistics and experience in setting up design of experiments.
  • Experience modeling of battery phenomenon including impedance increases, cycle life prediction, calendar life aging.
  • Experience working with offshore partners.
  • Experience communicating with and working collaboratively with Product Design engineers and other hardware/software cross-functional functions.
  • PhD in Material Science and Electrochemistry or Chemical Engineering.
Facebook’s mission is to give people the power to build community and bring the world closer together. Through our family of apps and services, we’re building a different kind of company that connects billions of people around the world, gives them ways to share what matters most to them, and helps bring people closer together. Whether we’re creating new products or helping a small business expand its reach, people at Facebook are builders at heart. Our global teams are constantly iterating, solving problems, and working together to empower people around the world to build community and connect in meaningful ways. Together, we can help people build stronger communities – we’re just getting started.
Facebook is proud to be an Equal Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law.Facebook is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at
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