Battery Pack Design Engineer

Fruition Group US; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Fruition Group US is seeking an Electrical Engineer to own the electrical architecture of advanced lithium-ion battery systems across automotive, aerospace, and industrial markets. You will define HV/LV distribution, perform thermal analysis, and drive safety and compliance from design through launch.

The role requires collaboration with mechanical, software, and manufacturing teams and presenting findings to customers and leadership.

Qualifications

• BS in Electrical Engineering or related field required.
• 3+ years in system-level design for Li-ion packs or similar.
• 4+ years in automotive, aerospace, or industrial engineering.

Responsibilities

• Define high- and low-voltage distribution, interfaces, and protection for battery packs.
• Own schematic design—sensors, contactors, fuses, connectors, harnesses, and control electronics.
• Select and integrate electronics hardware (current sensors, power electronics, microcontrollers) for safety, performance, and manufacturability.
• Perform thermal and power-dissipation analysis across environmental and load conditions.
• Support circuit design, simulation, and bench testing for measurement, control, and protection.
• Drive safety and compliance—DFMEA, functional safety (ISO 26262 or equivalent), UL.

Skills

Electrical system design

Schematic capture

Thermal management

HV safety standards

EMC/EMI

Power electronics

Microcontrollers

Education

BS in Electrical Engineering

Job description

Fruition Group US is seeking an Electrical Engineer to own the electrical architecture of advanced lithium-ion battery systems across automotive, aerospace, and industrial markets. You will define HV/LV distribution, perform thermal analysis, and drive safety and compliance from design through launch.

The role requires collaboration with mechanical, software, and manufacturing teams and presenting findings to customers and leadership.