Battery Materials Technician - Coreshell Technologies - Career Page Skip To Job Description View All Jobs View Our Website Thanks for visiting our Career Page. Please review our open positions and apply to the positions that match your
qualifications. Battery Materials Technician San Leandro, CA Full Time Entry Level Share Coreshell's 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. Coreshell's 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. Position: The Battery Materials Technician is responsible for the screening, characterization, and quality control of raw materials that feed Coreshell’s electrode and cell development programs. You will operate a suite of analytical instruments to generate materials data that directly informs purchasing decisions, supplier qualification, and formulation development. This is a detail-oriented, measurement-intensive role for someone who enjoys generating high-quality analytical data and keeping materials programs running smoothly. Core
Responsibilities: Perform incoming QC characterization on raw materials and make pass/fail determinations against acceptance criteria. Operate analytical instruments for materials characterization, including particle size analysis, BET surface area, XRD, SEM/EDS, thermal analysis (TGA/DSC), slurry rheology, and conductivity measurements. Perform wet chemistry sample prep and analysis (e.g., titration) Maintain the materials inventory database and support supplier qualification by generating comparative characterization datasets across vendor samples. Generate clear characterization reports and summary tables, and escalate anomalous results or instrument performance issues. Perform routine instrument maintenance, calibration, and troubleshooting; maintain calibration logs, standard reference trackers, and SOP documentation, and coordinate service calls as needed. Follow all chemical hygiene, PPE, and safety protocols; manage consumables inventory and keep characterization lab spaces clean and organized. Required experience: 1-3 years of hands-on experience operating analytical instruments in a materials, chemistry, or battery laboratory (internship experience considered). Proficiency with materials characterization techniques: particle size analysis, BET, XRD, SEM/EDS, TGA/DSC, or rheometry. Experience with materials sample preparation techniques such as milling, drying, pressing, and cross-sectioning. High attention to detail, methodical approach to measurement, and commitment to data quality. Ability to read and implement SOPs, and to contribute to SOP writing and updates. Knowledge of laboratory safety practices including chemical handling, PPE
requirements, and emergency procedures. Required
Qualifications: A Bachelor’s degree in Chemistry, Materials Science, Chemical Engineering, or a closely related field is preferred. Candidates with an Associate’s degree or equivalent technical training combined with directly relevant laboratory experience will also be considered. Location &
Benefits: San Leandro, CA. Full-time. $30-35/hour. 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. Share Apply Apply for this position Required * First Name * Last Name * Email Address * Phone * Address Resume * We've received your resume. Click here to update it. Attach resume or Paste resume Attach resume as .pdf, .doc, .docx, .odt, .txt, or .rtf (limit 5MB) or Paste resume Paste your resume here or Attach resume file Are you legally authorized to work in the United States for any employer? * -- No answer -- Yes No Will you now or will you in the future require employment visa sponsorship? * -- No answer -- No, I do not require employment visa sponsorship Yes, I will need employment visa sponsorship in the future The following questions are entirely optional. To comply with government Equal Employment Opportunity and/or Affirmative Action reporting regulations, we are requesting (but NOT requiring) that you enter this personal data. This information will not be used in connection with any employment decisions, and will be used solely as permitted by state and federal law. Your voluntary cooperation would be appreciated. Learn more . Gender Decline to answer Female Male Race/Ethnicity Decline to answer Hispanic or Latino White, not Hispanic or Latino Black or African-American, not Hispanic or Latino Asian, not Hispanic or Latino Native Hawaiian or Other Pacific Islander, not Hispanic or Latino American Indian or Alaskan Native, not Hispanic or Latino Two or More Races, not Hispanic or Latino MENA (Middle Eastern and North African) Invitation for Job Applicants to Self-Identify as a U.S. Veteran A “disabled veteran” is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to
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