Associate Battery Chemistry Engineer – Early‑Stage Equity

StealthBatteryCorp.; Santa Clara (CA); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Competitive salary + equity

Flexible time off

Medical, Dental & Vision Insurance

HSA / FSA options

Job summary

StealthBatteryCorp. is seeking a hands-on Associate Engineer to support laboratory-scale electrode development and process experimentation. You will plan and execute formulation DoEs and test plans across slurry mixing, coating, calendaring, cell assembly, electrochemical testing, and electrode-level characterization.

The role collaborates with the pilot team on process transfer and scale-up. The position involves exposure to solvents, powders, and moving equipment, requiring strict safety

Qualifications

• Associate degree or technical certification in manufacturing, materials science, chemistry, or engineering technology.
• A B.S. in chemical, materials science, mechanical engineering, or related hard science preferred.
• Ability to design and execute SOPs and DoEs with moderate senior support.

Responsibilities

• Design and execute test plans to optimize electrode formulation for processability and performance.
• Perform root cause investigations and brainstorm solutions.
• Prepare and mix electrode slurries using centrifuge, overhead dispersing, and planetary mixers.
• Work in glove-box environment for mixing air sensitive materials.
• Operate lab scale coating techniques including - doctor blade drawdown, comma bar coating and small scale slot die coating.
• Assemble coin cell/bi-layer pouch cells and put on cycle testing according to defined procedures and test plan.
• Conduct electrode characterization work including but not limited to peel test, bend test, resistivity measurement.
• Conduct slurry characterization work including but not limited to rheology tests and grain gauge.
• Assist with new process development, new tool sourcing and commissioning, equipment modifications as needed.
• Follow 6S standards and maintain lab cleanliness and conduct.

Skills

DOE design

Root cause analysis

Lab-scale experimentation

SOP execution

Documentation

Safety compliance

Education

Associate degree or technical certification in manufacturing, materials science, chemistry, or engineering technology

B.S. in chemical, materials science, mechanical engineering or hard science

Tools

Centrifuge

Overhead disperser

Planetary mixer

Glove-box

Slot-die coating

Doctor blade coating

Grain gauge

Rheometer

Peel test equipment

Job description

StealthBatteryCorp. is seeking a hands-on Associate Engineer to support laboratory-scale electrode development and process experimentation. You will plan and execute formulation DoEs and test plans across slurry mixing, coating, calendaring, cell assembly, electrochemical testing, and electrode-level characterization.

The role collaborates with the pilot team on process transfer and scale-up. The position involves exposure to solvents, powders, and moving equipment, requiring strict safety