Battery Systems Engineer for Autonomous Power (Equity)

First Order Effects; Austin (TX); On-site; USD 100,000 - 250,000; Full time

Job summary

First Order Effects in Austin, TX is seeking an Electrical Engineer focused on Battery Systems & BMS. You will own the LFP battery system, pack architecture, cell sourcing, and integration into MESH, ensuring safety and reliability for high-performance energy storage.

You will collaborate on power electronics and firmware for charge/discharge and power dispatch, and drive build, test, and abuse testing of the pack.

Qualifications

• Experience with large-format or stationary storage, EV packs, or microgrids.
• Familiarity with battery safety standards (UN 38.3, UL 1973/UL 9540) and maritime battery standards.
• Background in cell sourcing and vendor qualification.

Responsibilities

• Design battery systems and put them into working hardware.
• Go deep on LFP and lithium-ion across cells, packs, thermal, and safety.
• Design or integrate a BMS, including cell balancing and state-of-charge/state-of-health estimation.
• Handle high-current, high-voltage DC design and protection.

Skills

Battery systems design

BMS design

Thermal design

High-current DC design

Cell sourcing

Job description

First Order Effects in Austin, TX is seeking an Electrical Engineer focused on Battery Systems & BMS. You will own the LFP battery system, pack architecture, cell sourcing, and integration into MESH, ensuring safety and reliability for high-performance energy storage.

You will collaborate on power electronics and firmware for charge/discharge and power dispatch, and drive build, test, and abuse testing of the pack.