Battery Cell R&D Technician

Battery Cell R&D Technician

Sparkz Inc., is looking to hire a Battery Cell R&D Technician at their Sacramento, California location. Posted October 27, 2025.

Position Overview:

We are seeking a detail-oriented and highly skilled Battery Cell R&D Technician with 5-7 years of technical experience in battery cell technology. You will be responsible for assisting the material synthesis, cell fabrication, and battery testing teams in day-to-day operations of the laboratory. As one of the team members most involved in lab functions, you will also provide vital feedback to the R&D team on improvements to lab protocols and safety procedures.

Key Responsibilities:

• Assemble and test energy lithium-ion battery cells and evaluate the performance of the materials and lithium-ion battery cells.
• Collect and analyze data to achieve the most optimal solution for energy storage research activities
• Ensure that all safety procedures are followed while conducting research
• Report to R&D team members inefficiencies or problems encountered during execution of lab protocols.
• Work with facility managers on repairs and routine maintenance to lab space and equipment.
• Perform inventory evaluations to keep laboratory spaces continuously stocked with chemicals, personal protective equipment, and lab consumables.
• Abide by all laboratory safety protocols and work with R&D team members to promote a culture of lab safety.

Required Qualifications:

• 5–7 years with battery cells preferably with coin cells and small pouch cell fabrication
• Familiar with glove boxes, analysis instruments such as SEM, XRD, Impedance measurement (electrolyte/electrode interface), battery cycler, and Environment, Safety and Health requirement/documentation.
• Excellent analytical, organizational, and communication skills.

Working Conditions:

• Manufacturing and R&D plant environment.
• May require occasional travel to vendor sites or other facilities.
• Use of PPE is required in certain areas of the plant.

Sparkz is an Equal Opportunity Employer.

Sparkz is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, or any other characteristic protected by applicable law.

Compensation: $26–$33 per hour depending on experience.

At-Will Employment

Employment with Sparkz is at-will, meaning either the employee or the company may terminate employment at any time, with or without cause or notice.

Please Note

• All job offers are subject to pre-employment drug screening and a background check since this is a safety sensitive position.
• Unless otherwise noted, we do not sponsor employees for work authorization in the U.S. for this position.

Notice to Agencies: We only accept resumes from recruiters, employment agencies, or staffing services if a Service Agreement has been signed and we have requested recruitment/staffing services for the specific position. Any unsolicited resumes will become the property of the company, and no fees or compensation will be paid to the recruiter, employment agency, or staffing service.