Battery Hardware Technician
External
Doordash · San Francisco, CAFull-timeOn-siteToday
AssemblyCADChromaComplianceMovePrototyping
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About the role
DoorDash Labs is seeking a skilled and safety-conscious Battery Hardware Technician to join our hardware engineering team. In this role, you will be the hands-on expert responsible for supporting the development, prototyping, and validation of our next-generation battery systems. You will bridge the gap between design and reality by building prototype battery packs, executing critical testing procedures, and managing day-to-day operations of our battery lab. If you thrive in a fast-paced R&D environment and love working directly with cutting-edge energy storage systems, we want you on our team.
Responsibilities
- Prototype Battery Builds: Assemble, rework, and modify prototype battery packs and modules from the ground up, working directly with battery cells, modules, connector assemblies and printed circuit boards (PCBs).
- Precision Joining & Assembly: Perform precision spot welding, resistance welding, and soldering to interconnect cells and integrate Low-Voltage (LV) and High-Voltage (HV) wiring harnesses and connectors.
- Quality & Safety Testing: Support critical validation tests, including pressure/vacuum leak testing for sealed enclosures, insulation testing, and continuity checks.
- Lab Management & Safety: Own the maintenance, and safety compliance of the battery build and test laboratory. Ensure all equipment is calibrated, standard operating procedures (SOPs) are followed, and safety protocols for hazardous materials/high-voltage are strictly enforced.
- Test Execution & Data Logging: Set up, monitor, and manage battery test equipment (cyclers, environmental chambers, data loggers) and document build processes and test anomalies clearly for the engineering team.
- Required Qualifications & Experience
- Battery Expertise: Minimum of 2-3 years of hands-on experience working directly with battery cells (lithium-ion preferred) and assembling battery packs.
- Welding & Joining: Proven experience with precision resistance welding, spot welding, and high-quality soldering techniques for electronics and busbars.
- Electrical & Mechanical Literacy: Strong proficiency in reading electrical schematics, mechanical drawings, and wiring diagrams. Experience routing and crimping HV/LV connectors and harnesses.
- Inspection Tools: Experience using leak testing equipment, digital multimeters, insulation testers (Hi-Pot), and standard hand/power tools.
- Safety First Mindset: Deep understanding of the safety hazards associated with lithium-ion cells and high-voltage systems, with a track record of maintaining a clean, orderly, and safe workspace.
Requirements
- Experience with battery management systems (BMS) and basic PCB troubleshooting/rework of components.
- Familiarity with battery cyclers (e.g. Chroma) and environmental chambers.
- Prior experience in basic CAD (Fixtures etc), rapid prototyping or R&D environment (robotics, automotive, or aerospace).
Benefits
Actual compensation within the pay range listed below will be decided based on factors including, but not limited to, skills, prior relevant experience, and specific work location. Base salary is localized according to employee work location.To learn more about our benefits, visit our careers page here .See below for paid time off details:For salaried roles: flexible paid time off/vacation, plus 80 hours of paid sick time per year.The national base pay range for this position within the United States, including Illinois and Colorado.$44.90 - $66 USDAbout DoorDashDoorDash is growing rapidly and changing constantly, which gives ourHealth insuranceDental insuranceVision insurance401(k)Paid time offFlexible scheduleParental leave
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