Battery Hardware Technician

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. This is a fully onsite, in-person role based in San Francisco. Key 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. Nice-to-Haves 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). Compensation 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. DoorDash cares about you and your overall well-being. That’s why we offer a comprehensive benefits package to all regular employees, which includes a 401(k) plan with employer matching, 16 weeks of paid parental leave, wellness benefits, commuter benefits match, paid time off and paid sick leave in compliance with applicable laws (e.g. Colorado Healthy Families and Workplaces Act). DoorDash also offers medical, dental, and vision benefits, 11 paid holidays, disability and basic life insurance, family-forming assistance, and a mental health program, among others. 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. For hourly roles: vacation accrued at about 1 hour for every 25.97 hours worked (e.g. about 6.7 hours/month if working 40 hours/week; about 3.4 hours/month if working 20 hours/week), and paid sick time accrued at 1 hour for every 30 hours worked (e.g. about 5.8 hours/month if working 40 hours/week; about 2.9 hours/month if working 20 hours/week). The national base pay range for this position within the United States, including Illinois and Colorado.$44.90—$66 USDAbout DoorDash At DoorDash, our mission to empower local economies shapes how our team members move quickly, learn, and reiterate in order to make impactful decisions that display empathy for our range of users—from Dashers to merchant partners to consumers. We are a technology and logistics company that started by enabling door-to-door delivery, and we are looking for team members who can help us go from a company that is known as the place you order food to a company that people turn to for any and all goods.DoorDash is growing rapidly and changing constantly, which gives our team members the opportunity to share their unique perspectives, solve new challenges, and own their careers. We're committed to supporting employees’ happiness, healthiness, and overall well-being by providing comprehensive benefits and perks including premium healthcare, wellness expense reimbursement, paid parental leave and more. Our Commitment to Diversity and Inclusion We’re committed to growing and empowering a more inclusive community within our company, industry, and cities. That’s why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel. Statement of Non-Discrimination: In keeping with our beliefs and goals, no employee or applicant will face discrimination or harassment based on: race, color, ancestry, national origin, religion, age, gender, marital/domestic partner status, sexual orientation, gender identity or expression, disability status, or veteran status. Above and beyond discrimination and harassment based on “protected categories,” we also strive to prevent other subtler forms of inappropriate behavior (i.e., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place at DoorDash. We value a diverse workforce – people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Thank you to the Level Playing Field Institute for this statement of non-discrimination. Pursuant to the San Francisco Fair Chance Ordinance, Los Angeles Fair Chance Initiative for Hiring Ordinance, and any other state or local hiring regulations, we will consider for employment any qualified applicant, including those with arrest and conviction records, in a manner consistent with the applicable regulation. If you need any accommodations, please inform your recruiting contact upon initial connection. Notice to Applicants for Jobs Located in NYC or Remote Jobs Associated With Office in NYC Only We used Covey as part of our hiring and/or promotional process for jobs in NYC and certain features may qualify it as an AEDT in NYC. As part of the hiring and/or promotion process, we provided Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound from August 21, 2023, through December 21, 2023. We resumed using Covey Scout for Inbound again on June 29, 2024, and ceased using Covey Scout for Inbound on April 30, 2026. 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