Battery Materials QC Technician — On-Site (San Leandro)

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

Benefits offered by this job

Dental insurance

Vision insurance

Health insurance

401(k)

Equity options

Job summary

Coreshell Technologies in San Leandro, CA, is seeking a Battery Materials Technician to screen, characterize, and quality control raw materials for electrode and cell development. You will run analytical instruments to produce data guiding purchasing, supplier qualification, and formulation work.

The role emphasizes meticulous measurement, data quality, and maintaining lab SOPs, with on-site responsibilities and a path to contribute to safe, scalable battery materials.

Qualifications

• 1-3 years hands-on experience operating analytical instruments in a materials, chemistry, or battery lab.
• Proficiency with materials characterization: particle size, BET, XRD, SEM/EDS, TGA/DSC, or rheometry.
• Experience with sample prep such as milling, drying, pressing, cross-sectioning.
• High attention to detail and data-quality commitment.
• Ability to read and implement SOPs, and contribute to SOP updates.
• Knowledge of laboratory safety, PPE, and emergency procedures.

Responsibilities

• Perform incoming QC characterization on raw materials and pass/fail against criteria.
• Operate instruments for materials characterization (particle size, BET, XRD, SEM/EDS, TGA/DSC, rheology, conductivity).
• Perform wet chemistry sample prep (e.g., titration).
• Maintain materials inventory DB and support supplier qualification with comparative datasets.
• Generate characterization reports and escalation of anomalies.
• Perform routine instrument maintenance, calibration, and troubleshooting; maintain logs.
• Follow chemical hygiene, PPE, safety protocols; manage consumables and lab spaces.

Skills

Analytical instruments

Materials characterization

Sample preparation

Attention to detail

SOP compliance

Lab safety

Education

Bachelor's in Chemistry or related field

Associate degree with relevant experience

Tools

XRD

SEM/EDS

BET

TGA/DSC

Rheometer

Particle size analysis

Job description

Coreshell Technologies in San Leandro, CA, is seeking a Battery Materials Technician to screen, characterize, and quality control raw materials for electrode and cell development. You will run analytical instruments to produce data guiding purchasing, supplier qualification, and formulation work.

The role emphasizes meticulous measurement, data quality, and maintaining lab SOPs, with on-site responsibilities and a path to contribute to safe, scalable battery materials.