[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Meta Platforms · Sunnyvale, CA # Battery Engineering Intern, Cell Engineering (PhD) Sunnyvale, California, US Internship or early career Early career Operations Listed on Meta Platforms’s official careers site. Posted October 26, 2026. Check that it is still open and apply there. [Apply on Meta Platforms’s careers site →](https://www.metacareers.com/jobs/938682979075854/) [OpenNash Jobs](https://jobs.opennash.com/) / [Meta Platforms](https://jobs.opennash.com/companies/meta-platforms/) / Battery Engineering Intern, Cell Engineering (PhD) ## Job description At Meta Reality Labs, our goal is to explore, innovate and design the hardware for the next generation of AI glasses, wearables, and virtual, augmented, and mixed reality experiences. The mission of the battery team is to develop power sources for the devices that enable these experiences. We are looking for a motivated Battery Cell Engineering Intern to join our team. In this role, you will work with our cell engineers to understand how and why lithium-ion battery cells age, with a focus on storage degradation. The exact project scope will be tailored to your background and interests. Your work will shape how we qualify cells for future wearable devices, helping them last longer and perform reliably throughout their life. This internship combines hands-on lab work, AI-assisted data analysis, and collaboration across battery engineering teams. Our internships are twelve (12) to twenty four (24) weeks long and we have various start dates throughout the year. ## Responsibilities - Analyze long-term cell test data to identify degradation trends and insights - Design and run cell-level experiments to understand how and why cells degrade Use AI tools to speed up and improve data analysis - Recommend improvements to how we test and qualify cells - Work with cross-functional battery teams and present findings and recommendations ## Qualifications Currently has, or is in the process of obtaining, a Ph.D. degree in engineering, materials science, chemistry, physics, or related field, with a focus on battery technology Hands-on experience with battery testing and characterization - Knowledge of Li-ion cell chemistry and electrochemistry Interpersonal skills and experience working effectively in a dynamic, team-oriented environment - Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment Intent to return to full-time degree program after completion of the internship - Research experience in battery aging or degradation Hands-on experience using AI tools (such as coding assistants or agents) to speed up research or engineering work ## At a glance - Posted by the employer: Oct 26, 2026 - First seen by OpenNash: Nov 1, 2026 - Last checked: Nov 1, 2026 - Listed for: 6 days - Location: Sunnyvale, California, US - Employment type: Internship or early career[Apply on Meta Platforms’s careers site →](https://www.metacareers.com/jobs/938682979075854/) ## Hiring at Meta Platforms - Open jobs: 1,310 - New in the last 7 days: After two weekly collections - Tracked since: Jul 11, 2026 [All Meta Platforms jobs](https://jobs.opennash.com/companies/meta-platforms/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Meta Platforms ### [ASIC Verification Engineer, Networking](https://jobs.opennash.com/companies/meta-platforms/jobs/1bec9c1859a983264cbb/) Sunnyvale, California, US ### [Product Cost Engineer](https://jobs.opennash.com/companies/meta-platforms/jobs/f4979cd0d29e2cb9ea74/) Sunnyvale, California, US ### [Silicon Packaging Engineer](https://jobs.opennash.com/companies/meta-platforms/jobs/17cca45584268b418614/) Sunnyvale, California, US ### [Wireless Engineering Intern](https://jobs.opennash.com/companies/meta-platforms/jobs/ce592aa6e497df0d1e9d/) Sunnyvale, California, US ### [Business Analytics Intern, RL Devices Operations](https://jobs.opennash.com/companies/meta-platforms/jobs/8918617b5a9eb74f5044/) Sunnyvale, California, US ## Similar jobs at other companies ### [Battery Engineering Team Manager](https://jobs.opennash.com/companies/eaton/jobs/a8dabe4ad303eaade5f4/) Eaton · Raleigh, North Carolina, USA ### [Manufacturing Engineer, Machine Engineering, BlueOval Battery Park Michigan](https://jobs.opennash.com/companies/ford-motor/jobs/47fd109712e7ce0ef522/) Ford Motor · Marshall, MI, United States ### [Product Engineering Technician (Seneca Battery) 1st Shift - Temporary Assignment](https://jobs.opennash.com/companies/borgwarner/jobs/525ac36f03489e30bd5e/) BorgWarner · Seneca - South Carolina - USA ### [Mechanical Engineer, Machine Engineering, BlueOval Battery Park Michigan](https://jobs.opennash.com/companies/ford-motor/jobs/96ea8ca82c458ae1035d/) Ford Motor · Marshall, MI, United States ### [Battery Control Systems Engineering Specialist](https://jobs.opennash.com/companies/caterpillar/jobs/9c3b52b861eb3fd24755/) Caterpillar · Mossville, Illinois OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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