Sr. Battery Engineer

Sr. Battery Engineer

Pay: $113-106/HR

Duration: 6 months, extension is possible

Location: On-site at San Jose, CA 95134

We are seeking a highly motivated Battery Engineer with expertise in solid-state battery development to join a fast-paced, innovative, and collaborative team driving the next generation of microbattery energy storage technologies.

The ideal candidate will bring hands-on laboratory experience with solid electrolytes, cathode integration, and cell testing/analysis. The role involves material optimization, cell prototyping, and process development to advance next-generation energy storage technologies.

Key Responsibilities

• Develop and optimize solid-state cell architectures, focusing on cathode optimization and solid electrolyte interfaces.
• Experienced in anode free cell configurations including deposition, interface engineering, and evaluating stability against solid electrolytes.
• Integrate cathode materials with solid electrolytes to improve performance, cycle life, and reliability.
• Hands-on cell fabrication and prototyping, including electrolyte deposition, cathode integration, and full-cell assembly.
• Perform hands-on cell-level testing (cycling, impedance, rate capability, DC polarization) and translate data into meaningful failure mechanisms
• Characterize electrochemical performance (EIS, CV, cycling) and correlate results to material and interface properties.
• Troubleshoot cell failures through structured root cause analysis and propose engineering solutions.
• Support thin-film deposition, coating, and integration processes for electrolyte and electrode layers. Collaborate with cross-functional teams on design, fabrication, and scale-up of solid-state battery prototypes.
  
  

Required qualifications:

• PhD or MS in Materials Science, Electrochemistry, Chemical Engineering, or related field w
• 3 years of experience in the fields of electrochemistry, battery development, cell design or other related experiences. Manager will consider additional years experience in lieu of the higher level education.
• Hands-on experience with solid electrolytes such as LiPON, sulfides, garnets, or polymer-based systems.
• Knowledge of thin-film deposition techniques (sputtering, ALD, evaporation) and cathode/electrolyte integration.
• Strong background in hands-on electrochemical testing and failure analysis (EIS, impedance growth modeling, capacity fade diagnostics).
• Experience with hands-on cell design, fabrication, and scaling for solid-state battery prototypes.
  
  

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