Process Engineer

Coreshells metallurgical Silicon anode technology delivers high capacity fast-charging and superior safety. Our low-cost Silicon-dominant batteries have higher energy density superior intrinsic thermal safety and significantly lower cost/kWh compared to current LIBs. Coreshells Si anode material is lower than the cost of graphite and utilizes the largest abundant critical mineral supply in the US and Europe. We strive to transform the global energy and transportation market by enabling cost effective and secure domestic battery supply.

Core Responsibilities: We are seeking a Junior Process Engineer to join our battery process technology team. This role supports the development optimization and stabilization of electrode cell assembly and formation processes. The ideal candidate is highly motivated detailoriented and eager to grow into a process expert in nextgeneration battery technologies .

Responsibilities include:

• Process monitoring: Monitor daily production KPIs (yield scrap downtime) and identify abnormalities.
• Data analysis: Analyze process and quality data to support root cause investigations.
• DOE execution: Assist in planning and running Design of Experiments to optimize process parameters.
• Equipment support: Work with equipment engineers to troubleshoot process issues.
• SOP documentation: Create and update standard operating procedures and work instructions.
• Quality collaboration: Support quality teams in defect analysis and corrective actions.
• Sample preparation: Prepare samples for lab testing (adhesion resistance thickness etc.).
• Cross functional communication: Collaborate with R&D Quality and Production teams to implement improvements.

Preferred Technical Areas:

• Electrode process: mixing coating calendering slitting
• Cell assembly: stacking/Zfolding welding electrolyte filling formation
• Quality systems: SPC MSA FMEA
• Data tools: Python JMP Minitab Tableau (plus)

Qualifications:

• Bachelors degree in Chemistry Chemical Engineering Materials Science Mechanical Engineering Industrial Engineering or related field
• 02 years of experience in battery cell manufacturing (process development process technology or manufacturing environment preferred)
• Strong analytical and problemsolving skills
• Ability to work in fastpaced production environments
• Basic understanding of statistical analysis
• Good communication and teamwork skills

Preferred Qualifications:

• Internship or project experience in battery manufacturing
• Experience with DOE SPC or Six Sigma tools
• Familiarity with lithiumion cell structure and production flow
• Handson experience with lab measurement tools (viscometer caliper UTM etc.)

Location & Benefits: San Leandro CA. Full-time. $. Salary and equity options dependent on experience. Dental vision healthcare and 401(k) benefits are included. Applications will be screened as received.

Coreshell Technologies is an equal opportunity employer and does not discriminate on the basis of race color religion sex (including pregnancy gender identity and sexual orientation) national origin ancestry age disability genetic information military or veteran status marital status or any other protected status under California law.

Applicants requiring reasonable accommodation during the application or interview process should notify the recruiting team.