Supplier Development Engineer, Battery

We are looking for a Supplier Development Engineer – Battery based in San Francisco, CA who will provide end-to-end manufacturing and process solutions for the battery systems that power OURA’s new and sustaining products. This includes battery cell development and qualification, assembly automation development and line bring-up, cell-to-pack integration into OURA’s ring form factors, new supplier bring up, and process technology R&D.

Responsibilities

Define best-in-class battery cell, assembly, and integration processes to meet all OURA design, safety, and operational requirements; Partner with Battery/Electrical Engineers, Quality Engineers, Material Engineers, and Product Designers to optimize cell design and manufacturing processes for energy density, cost, cosmetics, and reliability; Identify, research, develop, and qualify battery cell suppliers, pack assemblers, and automation equipment manufacturers in support of OURA’s hardware development goals; Lead new battery assembly line and automation bring-up — from equipment specification and buy-off through installation qualification and production ramp; Drive suppliers globally to establish and optimize battery cell fabrication, assembly, and pack-integration processes, ensuring best-in-class quality & resolving production issues; Use data to drive process decisions and influence product and industrial design, including cell dimensions, capacity, tolerances and specifications

Requirements

3+ years of direct experience working in a battery or electromechanical manufacturing environment as a Supplier Development Engineer, Supply Base Engineer, Manufacturing Engineer, Cell/Battery Process Engineer, Supplier Industrialization Engineer or equivalent role; Experience with lithium-ion / lithium-polymer cell design, fabrication, and/or battery pack assembly and integration; Experience working with global suppliers to establish & qualify manufacturing processes from NPI to Mass Production; Experience bringing up and qualifying automated battery assembly lines and manufacturing equipment; Ability to analyze failure modes and identify process or design root causes; Excellent critical thinking and problem solving skills; Effectively communicate challenges to leadership and cross-functional partners; Ability to travel internationally, up to 15% of the time

Nice to have

Familiarity with battery safety and regulatory standards (e.g. UN38.3, IEC 62133, UL 1642/2054)

Benefits

Competitive salary and equity packages; Health, dental, vision insurance, and mental health resources; An Oura Ring of your own plus employee discounts for friends & family; 20 days of paid time off plus 13 paid holidays plus 8 days of flexible wellness time off; Paid sick leave and parental leave; Amazing culture of collaborative and passionate coworkers