Coreshell Technologies
Battery Technician
2 months ago
About the Job
Reports To: Director of Battery Technology
Coreshell's metallurgical Silicon anode technology delivers high capacity, fast-charging, and superior safety. Our low-cost liquid-phase nano-coating addresses critical electrode-surface degradation issues and enables batteries with a Silicon-dominant anode that have higher energy density, superior intrinsic thermal safety, and significantly lower cost/kWh compared to current LIBs. Our Si anode material is 50% the cost of graphite and 100% domestically sourced. We strive to transform the global automotive market by enabling low-cost and long-range EVs as a first step towards net-zero sustainability in the near future.
Core Responsibilities: We are looking for a Battery Technician with battery construction and/or R&D lab experience to carry out battery fabrication, assembly, and testing. The candidate should be eager to work on cutting-edge technologies that can accelerate clean energy adoption & combat climate change.
- Perform Coreshell’s in-house battery fabrication and testing.
- Maintain and calibrate test hardware.
- Work with multiple battery formulations and coating materials; collaborate closely with Coreshell’s technical team to ensure Coreshell’s coatings are properly deposited on each battery material.
- With the assistance of the R&D team, characterize cells and battery materials, using both electrochemical methods & materials analytical techniques.
- Perform cell failure analysis through post-test cell disassembly followed by physical, compositional, and electrochemical characterization, as instructed by engineers and scientists.
- Work with Coreshell’s cell testing and qualification program, including detailed experimental recordkeeping, data collection, and data management.
- Manage inventory of chemicals and lab consumables.
- Follow and maintain standard operating procedures (SOPs).
- Comfortable performing manual tasks requiring precision and dexterity.
Requirements:
- Background in R&D lab work is required. Experience working in controlled-atmosphere gloveboxes is preferred.
- Background in fabrication of lithium-ion batteries is a plus.
- Highly self-driven, detail-oriented candidate with a history of problem solving and an ability to wear many hats.
- Familiarity with chemistry lab safety protocols. Demonstrated commitment to maintaining safe, tidy, and organized work areas.
- Previous experience performing electrical tests, as well as chemistry and materials analytical instruments, is preferred
- 2+ years of experience in the battery industry OR a B.S. degree or equivalent in Chemistry, Materials Science, Engineering, or similarly relevant field.
Location & Benefits: San Leandro, CA. Full-time. Hourly rate is $26.00 - $40.00 per hour with additional stock incentives dependent on experience. Dental, vision, healthcare and 401(k) benefits are included. Applications will be screened as received.
About the Company

Coreshell Technologies
<p data-w-id="2d64bc96-5513-09e7-3b6f-e6aff32a8280">Clean energy isn’t just about creating better technology for some—it’s about access to a better future for everyone. Coreshell’s innovative battery solutions are paving the road to climate-safe solutions that can drive equitable social and economic outcomes.</p>
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