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Sr. Staff/Principal Mechanical Engineer, Battery

Irvine, CA💼 Full-time🗓 2026-09-09 → 2026-09-26

Core

Design and own mechanical architecture for next-generation electric vehicle and energy storage battery packs, ensuring structural integrity, thermal management, and high-volume manufacturability.

Role type

Sr. Staff/Principal Mechanical Engineer (Battery Pack)

Builds

Lithium-ion battery packs and related systems for electrified transportation and energy storage.

Domain

Automotive / Energy Storage / Battery Systems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work -> product features (mechanical hardware)

Required skills

Mechanical architecture design, 3D CAD modeling, GD&T, tolerance analysis, structural assembly design, sealing and venting design, thermal hardware integration, high-volume manufacturing process knowledge, DFMEA leadership, supplier management, cross-functional technical leadership.

Preferred skills

EV battery pack production experience, aluminum casting/extrusion expertise, liquid-cooling hardware design, pack-to-body integration, crash loading and environmental exposure validation.

Technologies

CAD software, GD&T standards, CAE tools, manufacturing processes (stamping, casting, extrusion, injection molding, welding, adhesive bonding).

Responsibilities

Design battery-pack mechanical architecture including enclosure, module retention, and cooling integration; develop detailed 3D models and production drawings; lead tradeoffs across safety, performance, mass, and cost; partner with electrical, thermal, and manufacturing teams to resolve integration challenges; select materials and manufacturing processes; lead design reviews and DFMEA activities; mentor engineers and drive root-cause investigations; serve as technical interface with customers and suppliers.

Seniority

Sr. Staff/Principal, hands-on IC with technical leadership

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