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Principal Battery Systems Engineer

United States💼 Full-time🗓 2026-09-17 → 2026-09-27

Core

Set technical direction and own the product roadmap for BESS (Battery Energy Storage Systems) and medium-voltage UPS products, serving data centers and the grid.

Role type

Principal Battery Systems Engineer (Product Architecture & Strategy)

Builds

BESS product line, medium-voltage UPS systems, and grid-safe data center power solutions

Domain

Energy Storage / Power Electronics / Data Center Infrastructure

Deliverable

production ML models | product features

Required skills

BESS system-level design, power electronics architecture, fuse coordination, busbar thermal optimization, protection scheme design, SLD/GA/schematic review, vendor strategy, design review leadership

Preferred skills

Data center/UPS/mission-critical power experience, standards body involvement (UL/IEC/NFPA/IEEE), PE license, PLM process scaling, multi-domain depth (BMS/PCS/thermal)

Technologies

AutoCAD, E-CAD, UL 9540, NFPA 855, IEC 62619, IEEE 1547

Responsibilities

Architect BESS product line and define technical roadmap; make hard trade-off calls on cost/reliability/performance; define engineering standards and review gates; approve major design changes and sign off on production drawings; run parallel product development cycles; mentor engineers and lead design reviews; represent product engineering externally to customers and certifying bodies

Seniority

Principal, hands-on IC with strategic ownership

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