Redwood Materials · 20 hours ago
Engineering Test Technician, Energy Storage
San Francisco, CA
Full-time
Onsite
Mid Level
$43/hr - $66/hr
3+ years expRedwood Materials is localizing a global battery supply chain focused on recovery, reuse, and recycling. The Engineering Test Technician will play a key role in building, setting up, and running tests to support the development of new products, ensuring product performance and reliability through hands-on work across various technical disciplines.
EnergyElectric VehicleSustainabilityChemical & MaterialsRenewable EnergyAdvanced MaterialsBattery
Responsibilities
Build, set up, and execute validation tests for a new electromechanical product
Partner with cross-functional teams (design, reliability, and abuse engineers) to support FMEAs and test plan execution
Assemble, install, and maintain test infrastructure such as fixtures, sensors, actuators, chambers, and power supplies
Operate test equipment, follow procedures, and ensure safe handling of high-voltage systems and lab hardware
Collect, organize, and document test data, observations, and results clearly and consistently
Perform basic failure triage and support failure analysis through teardown, inspections, and root-cause investigations
Troubleshoot test setups and hardware issues; escalate and collaborate to resolve blockers quickly
Support test automation and data logging tools (e.g., running scripts, validating outputs, contributing small updates as needed)
Support New Product Introduction (NPI) line operations by assisting with product assembly, build readiness, and day-to-day troubleshooting. Create, update, and maintain build documentation, including work instructions, assembly procedures, and change logs to ensure accurate and repeatable processes
Support with the management of lab inventory, organization, and power infrastructure. Assembly and validation of high-voltage harnesses and electrical sub-systems, including wiring, terminations, and integration while ensuring full compliance with electrical safety requirements and site policies
Qualification
Required
Associate degree, technical certification, or equivalent hands-on experience in mechanical, electrical, mechatronics, or related fields
3+ years of experience in a lab, manufacturing, or test environment (technician, engineering tech, or similar role)
Experience working with or around high-voltage systems (400–2000VDC and 480–800VAC) and strong safety discipline (LOTO, PPE, safe work practices)
Strong hands-on skills with mechanical assembly, wiring, sensors, instrumentation, and lab equipment
Comfortable following test procedures, maintaining detailed documentation, and producing clear test summaries
Familiarity with basic scripting or automation tools (Python a plus) and the ability to learn new tools quickly
Strong communication and teamwork skills; able to work effectively with engineers and stakeholders across levels
A get-it-done attitude—willing to jump in, own tasks end-to-end, and do what's needed to support the team
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 with small components under a microscope for extended periods
Manual dexterity for precision soldering and handling heavy copper assemblies
Occasional lifting of up to 25 lbs
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