Johnson Service Group (JSG) is seeking an Automotive Business Development Manager in Detriot, MI or La Verne, CA- Bilingual English/Mandarin to grow our client's Detroit/Great Lakes territory. In this role, you will secure thermal design-ins with OEMs and Tier-1 suppliers across EV battery, power electronics, ADAS/compute, lighting, and charging systems. You’ll manage customer relationships end-to-end from uncovering needs and submitting proposals to guiding projects through validation and into production.

This is a customer-facing role that requires strong technical sales expertise, the ability to manage complex programs, and a hands-on approach to building long-term partnerships. Automotive sales experience in EV, ADAS, or power electronics is strongly preferred.
Responsibilities:

Prospect and qualify new business with OEMs, Tier-1s, and EV ecosystem partners.

Conduct on-site customer meetings (plants, labs, HQs) to pres...