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Sr. Battery Engineer

Careers Integrated Resources Inc San Jose, CA (Onsite) Contractor
Title: Sr. Battery Engineer
Location: San Jose, CA
Schedule: M-F, 7am - 4pm or 8am - 5pm
Duration: 6 Months, possible of extension
Pay: $100 to $106 hourly

Job Description:
  • Client is 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 micro battery 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 aProductst 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 with 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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Job Snapshot

Employee Type

Contractor

Location

San Jose, CA (Onsite)

Job Type

Engineering

Experience

Not Specified

Date Posted

12/02/2025

Job ID

25-67135

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