Hands-On Battery Cell Development Technician

Coreshell; San Leandro (CA); On-site; USD 41,000 - 48,000; Full time

Benefits offered by this job

Dental, vision, healthcare

401(k) benefits

Pay and equity options

Job summary

Coreshell Technologies in San Leandro, CA, is seeking a Battery Technician - Cell Development to fabricate developmental electrodes and assemble cells for electrochemical testing in a lab setting. This hands-on role emphasizes precision, safety, and data integrity.

The position requires 1-3 years in a battery lab, familiarity with electrode coating and calendering, and experience with cyclers in dry-room/glovebox environments. Onsite, full-time with competitive compensation.

Qualifications

• 1-3 years hands-on experience in a battery, electrochemistry, or materials laboratory (internship experience considered).
• Demonstrated proficiency in electrode coating, calendering, and cell assembly (coin cell, pouch cell, or cylindrical).
• Familiarity with battery cyclers (Arbin, Maccor, BioLogic, or similar) and basic test setup.
• Comfortable working in dry-room and glovebox environments with air-sensitive materials.
• Strong attention to detail, organizational skills, and commitment to data integrity.
• Ability to follow detailed written procedures and contribute to procedure development.
• Knowledge of laboratory safety practices including chemical handling, PPE requirements, and emergency procedures.

Responsibilities

• Fabricate developmental electrodes: prepare slurries, coat electrodes using drawdown and slot-die coaters, calender to target density, and cut, weigh, and inspect electrodes to meet dimensional and mass-loading specifications.
• Assemble coin cells, pouch cells, and small-format cylindrical cells in dry-room and glovebox environments, including safe preparation and handling of liquid electrolytes.
• Set up, run, and monitor electrochemical test programs on battery cyclers.
• Maintain laboratory equipment and environments and manage consumable inventory.
• Maintain accurate laboratory notebooks and records; follow all chemical hygiene, PPE, and safety protocols and keep lab spaces clean and organized.

Skills

Electrochemistry

Battery testing

Laboratory techniques

Data integrity

Procedural compliance

Education

Bachelor's degree in Chemistry/Materials Science/Chemical Engineering

Associate degree or equivalent technical training

Tools

Arbin cycler

Maccor cycler

BioLogic cycler

Glovebox

Job description

Coreshell Technologies in San Leandro, CA, is seeking a Battery Technician - Cell Development to fabricate developmental electrodes and assemble cells for electrochemical testing in a lab setting. This hands-on role emphasizes precision, safety, and data integrity.

The position requires 1-3 years in a battery lab, familiarity with electrode coating and calendering, and experience with cyclers in dry-room/glovebox environments. Onsite, full-time with competitive compensation.