Redwood Materials · 1 month ago
Hardware Test Engineer, Energy Storage
San Francisco, CA
Full-time
Onsite
Mid, Senior Level
$112K/yr - $224K/yr
5+ years expRedwood Materials is localizing a global battery supply chain that integrates recovery, reuse, and recycling to drive the energy transition. The Hardware Test Engineer will play a key role in designing and executing tests for a new electromechanical product, collaborating with cross-functional teams to ensure robust product validation throughout the hardware development lifecycle.
EnergyElectric VehicleSustainabilityChemical & MaterialsRenewable EnergyAdvanced MaterialsBattery
Responsibilities
Design, set up, and execute validation tests for a new electromechanical product
Collaborate with cross-functional teams (design, reliability, and abuse engineers) to generate FMEAs and test plans
Specify and design physical test infrastructure such as fixtures, sensors, actuators, chambers, and power supplies
Develop and maintain test automation tools using Python
Conduct failure analysis through teardown and root cause investigations; document and report findings clearly
Analyze complex test data, report findings, and drive system enhancements
Qualification
Required
Bachelor's degree in Mechanical Engineering, Electrical Engineering, Mechatronics, or a related field
5+ years of technical experience in test engineering or a related role
Experience working with high-voltage systems (400–2000VDC and 480-800VAC)
Deep technical expertise in at least one aspect of test engineering, with comfort working across disciplines (mechanical, electrical, software)
Proficiency in object-oriented programming, with Python preferred
Experience developing scalable tools, infrastructure, and design practices for test engineering teams
Excellent communication and interpersonal skills; ability to engage effectively with stakeholders at all organizational levels, including executives
A get-it-done attitude; no job is too big or too small
Ability to perform the essential job functions consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and/or quantitative productivity standards
Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards
Ability to work in challenging working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods of time
Essential physical requirements, such as climbing, standing, stooping, or typing
Occasional work weekends, nights, or be on-call as a regular part of the job
Occasional travel requirements as needed
Company
Redwood Materials
Redwood Materials is a battery recycling startup that makes electric vehicles and sustainable materials for circular supply chains.
1001-5000 employees
H1B Sponsorship
Redwood Materials has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (34)
2024 (26)
2023 (12)
2022 (9)
2021 (3)
2020 (1)
Funding
Current Stage
Late StageTotal Funding
$4.24BKey Investors
Eclipse VenturesCapricorn Investment Group,Goldman Sachs Asset ManagementUS Department of Energy
2025-10-23Series E· $425M
2023-08-29Series D· $1B
2023-02-09Debt Financing· $2B
Leadership Team
JB Straubel
Founder & CEO
Colin Campbell
Chief Technology Officer
Recent News
Mexico Business
2026-01-20
2025-12-18
Crunchbase News
2025-12-17
Company data provided by crunchbase