Senior Staff Scientist - Grid-Scale Storage, Equity

Capybara Energy; Woburn (MA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Equity

Company funded HSA

3 weeks paid time off

Sick pay & parental leave

10 paid holidays

Health and dental insurance

401(k) match

Advanced Snacks

Job summary

Capybara Energy seeks a Staff Scientist to lead hands-on R&D in electrochemistry, materials science, and engineering. You will help advance grid-scale energy storage and improve supercapacitor performance, taking ownership of technical work and translating lab findings into scalable processes.

This senior role requires an advanced degree and 4+ years of experience with energy storage devices, strong problem-solving, and the ability to document and communicate complex results in a fast-paced

Qualifications

• Advanced degree in Chemistry, Electrochemistry, Materials Science, Chemical Engineering, or related field.
• Four or more years hands-on experience fabricating and testing energy storage devices.
• Strong understanding of electrochemistry and energy storage systems.
• Proficiency in electrochemical measurement techniques and data interpretation.
• Ability to independently design and execute technical work.

Responsibilities

• Lead R&D at the intersection of electrochemistry, materials science, and engineering.
• Design, fabricate, test, and optimize supercapacitor cells, components, and stacks.
• Perform electrochemical testing and interpret results (CV, EIS, charge-discharge).
• Investigate failures to identify root causes and develop solutions.
• Model performance and contribute to scaling cost models.

Skills

Electrochemistry

Materials science

Experimental design

Data interpretation

Troubleshooting

Documentation

Startup environment

Education

Advanced degree in Chemistry / Electrochemistry / Materials Science / Chemical Engineering

Tools

Cyclic voltammetry

Electrochemical impedance spectroscopy

Charge-discharge measurements

Job description

Capybara Energy seeks a Staff Scientist to lead hands-on R&D in electrochemistry, materials science, and engineering. You will help advance grid-scale energy storage and improve supercapacitor performance, taking ownership of technical work and translating lab findings into scalable processes.

This senior role requires an advanced degree and 4+ years of experience with energy storage devices, strong problem-solving, and the ability to document and communicate complex results in a fast-paced