Lithium-Ion Battery Repair Technician (E-Bike Fleet)

Location: Jersey City, United States Position: Lithium-Ion Battery Repair Technician Location: Jersey City Employment Type: Full-time Salary: $45 per hour Are you looking for a hands-on role in a growing industry? Whizz is seeking a Lithium-Ion Battery Repair Technician to join our team and help maintain our fleet of rechargeable batteries. This is a great opportunity for mechanically inclined individuals who enjoy working with electronics and want to develop their technical skills. Responsibilities: • Repair at pack and cell level. Replace BMS boards, replace failed cell groups with matched cells, spot-weld nickel strip, repair connectors and wiring, and balance packs. • Test before release. Run charge/discharge tests after every repair, verify balance and insulation, check the enclosure and seals, and sign off each pack before it goes back into service. • Keep full traceability. Log every pack by serial number: fault found, parts used, test results, decision. • Own battery safety. Run the quarantine area for damaged packs, follow safe storage and handling, and keep fire-response equipment and procedures in order. • Work with the team. Support our mechanics on battery-related bike issues and share parts usage with the supply team. Requirements • 3+ years of hands-on repair or rebuilding of lithium-ion battery packs: e-bike, e-scooter, power tool, EV module or energy storage. • Cell-level skills: spot welding, soldering heavy-gauge wire, cell sorting and matching. • Solid understanding of BMS: series/parallel configurations, balancing, protection functions, common failure modes. • Confident use of a multimeter, internal resistance meter, battery analyzer or cycler; able to read wiring diagrams. • A strict safety mindset: you know how li-ion packs fail, and you know when a pack should not be repaired. • Accurate, disciplined record-keeping. Nice to have • Experience with UL 2271 / UL 2849 products or a manufacturer-authorized repair program. • DOT hazmat training for shipping lithium batteries (49 CFR). • IPC J-STD-001 soldering certification, OSHA 10 or NFPA 70E. Benefits Paid Time Off , including vacation, sick leave, and public holidays 401(k) retirement plan Health Insurance (MEC Plan) with 100% covered preventive care and $0 deductible Collaborative work environment that values clear processes and practical use of automation tools Commute support available after the probation period