Battery Systems, Embedded Software, Mechanical Design & Remanufacturing — Proterra; Sc,

Various positions | Proterra | Greer, SC, US

The Embedded Systems team designs, develops, and supports battery pack power electronics controls for all Proterra products, including sustaining current production programs and resolving technical issues. In this role, you will support cell algorithm controls design, define cell limits within embedded architectures, and create design documentation. You’ll partner with manufacturing to establish cell quality metrics across the full product lifecycle. As the BMS application layer/cell integration component manager, you’ll support controls from concept through production, ensuring compliance with safety, regulatory, thermal, structural, and manufacturability requirements.

Proterra seeks an Embedded Systems Software Engineer for its BMS team, focused on field reliability and current product support. The role involves sustaining and enhancing production BMS software through diagnostics, calibration, and hands‑on issue resolution to ensure safe, reliable battery performance. Candidates should have 2–3 years of embedded software experience in automotive, EV, or battery systems, with knowledge of BMS diagnostics, CAN/UDS protocols, and calibration tools.

This role offers direct field exposure, collaboration with manufacturing and service teams, and a strong path into advanced BMS development within a high‑impact electrification program.

This role supports both battery remanufacturing operations and field service needs. Primary responsibilities include repairing and rebuilding battery packs, troubleshooting mechanical and electrical issues, performing root cause analysis, and documenting work for traceability. The technician collaborates with engineering and production teams to develop repair procedures and improve processes while maintaining safety and 5S standards. As needed, the role also supports field service by performing on‑site diagnostics, repairs, and customer training.

The Proterra Story Proterra Powered battery technology is already powering commercial vehicles and equipment from world‑class manufacturers, helping operators reduce emissions while lowering operating costs. Designed in Silicon Valley and manufactured in Greer, South Carolina, by the best minds in battery engineering, Proterra battery systems are safe, reliable, and efficient. Communities are growing and evolving, and our commercial and industrial needs are changing.

Now more than ever, we need safe, reliable, and clean options. Manufacturers can now partner with electrification experts at Proterra to electrify their medium- and heavy‑duty commercial vehicles and equipment.