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

> Whizz · Jersey City, United States · — · Posted 2026-11-02

**Workplace:** on_site

**Department:** Bicycle Department

## Description

**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

## Apply

[Apply at Whizz](https://apply.workable.com/whizz/j/FE96AE9843/apply)

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