# Battery Test Engineer at Harbinger

- Company: Harbinger
- What the company does: Harbinger is a commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s team of EV, battery, and drivetrain experts have pooled their deep experience to support the growing demand for medium-duty EVs. Backed by ArcTern Ventures.
- Company website: https://harbingermotors.com
- Type: Startups
- Level: Mid level
- Location: Garden Grove, CA
- Work setup: On-site
- Posted: 2026-09-15
- Apply by: 2026-10-30
- Apply: https://job-boards.greenhouse.io/harbingermotors/jobs/5239481007
- Page: https://www.1752.vc/careers/jobs/harbinger-battery-test-engineer/

## About the role

The Harbinger battery team is looking to add a battery test engineer to characterize battery pack electrical and thermal performance. This key team member will take ownership of the validation of the Auxiliary Power System (APS) product. They will work closely with design engineers, quality engineers, and manufacturing engineers to ensure design changes are thoroughly tested before being released to production.

## What they're looking for

- Bachelor’s/Master’s degree in Engineering
- Previous hands-on experience in a lab is required. The candidate should be comfortable working around high-voltage and using hand tools, fabricating wiring projects, and debugging test setups
- Hands-on experience with instrumentation, including thermocouples, pressure transducers, shunts, and oscilloscopes. Ability to use these sensors to obtain the required data based on component design requirement
- Working knowledge of batteries, both AC and DC fundamentals, and power conversion
- Experience with coding languages and applications for data analysis, such as Python or Matlab
- Good technical writing skills for documenting test reports

Tags: Battery