Rivian · 3 days ago
Sr. Battery Cell Engineer
Hayward, CA
Full-time
Onsite
Mid, Senior Level
$117K/yr - $146K/yr
3+ years expRivian is on a mission to keep the world adventurous forever, focusing on emissions-free Electric Adventure Vehicles. The Sr. Battery Cell Engineer will develop cutting-edge battery technologies, lead validation and test plans, and collaborate with cross-functional teams to enhance battery performance.
AutomotiveElectric VehicleManufacturingTransportation
Responsibilities
Join Rivian’s Advanced Materials Prototype (AMP) organization and develop cutting-edge battery technologies for Rivian’s upcoming vehicle platforms
Lead the design and execution of comprehensive validation and test plans for new and emerging technology cells
Coordinate with external cell vendors to manage logistics and ensure the timely delivery of cell samples for testing
Develop and build custom test fixtures, equipment, and methodologies to accurately assess performance, durability, and safety
Perform hands-on laboratory testing, data acquisition, and analysis to identify performance trends, failure modes, and areas for improvement
Support internal laboratory-scale electrode preparation activities and cell prototyping activities
Collaborate with cross-functional teams specializing in cell integration, module and pack design, simulation, BMS, and supply chain to balance battery (cell/module/pack) performance, cost, and cycle life
Manage lab resources, lab equipment, and organizational operations to ensure optimal allocation of tools, materials, and personnel for efficient project completion
Write clear, concise, and detailed technical reports and presentations to communicate findings to stakeholders and leadership
Work with engineers and technicians, contributing to the team’s overall growth and expertise
Qualification
Required
BS with 5+ years, MS with 3+ years, or a recent PhD graduate in Chemistry, Chemical Engineering, or Materials Science, all requiring hands-on work experience with lithium-ion batteries
Extensive expertise in cutting-edge battery cell technologies, with a focus on Li-metal, Li-polymer, Sodium-ion, and solid-state batteries
Expertise in cell test activities including new channel set-up, test schedule file preparation, cell performance tests (RPT, HPPC, Rate capability, low temperature, DCFC, cycle life, etc.), and cell failure analysis
Proficiency in cell data analysis, encompassing the ability to extract, process, and interpret large datasets generated from battery testing
Knowledge of major methods of battery characterization methods, electrochemical analysis such as CV, EIS, GITT, and/or PITT
Strong project planning and execution skills, with the ability to define clear objectives, break down complex tasks, and establish realistic timelines for successful project delivery
Excellent laboratory skills, including prior experience working in a glovebox or dry room environment (handling air- and moisture-sensitive materials with a safety-conscious mindset)
Effective communication skills, with the ability to summarize and present insights from large datasets clearly and concisely
Preferred
Experience in driving cell prototyping (pouch, prismatic, and cylindrical) and/or product development efforts relevant to HEV, PHEV, or EV applications is highly preferred
Benefits
Rivian provides robust medical/Rx, dental and vision insurance packages for full-time and part-time employees, their spouse or domestic partner, and children up to age 26.
Full Time Employee coverage is effective on the first day of employment.
Company
Rivian
Rivian is an automotive technology company that develops products and services to advance the shift to sustainable mobility.
10001+ employees
H1B Sponsorship
Rivian has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (38)
2024 (70)
2023 (54)
2022 (79)
2021 (21)
Funding
Current Stage
Public CompanyTotal Funding
$21.93BKey Investors
Volkswagen GroupUS Department of EnergyIllinois Department of Commerce & Economic Opportunity
2025-06-30Post Ipo Equity· $1B
2024-11-25Post Ipo Debt· $6.6B
2024-05-02Grant· $827M
Leadership Team
Robert Scaringe
Chief Executive Officer
Claire McDonough
Chief Financial Officer
Recent News
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2026-01-11
Business Insider
2026-01-08
2026-01-07
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