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Oura

Makes smart rings for sleep and recovery

Supplier Development Engineer - Battery

Manufacturing EngineeringUpdated on Nov 12
Full-timeSan Francisco, CA, USA

About the Job

Requirements

  • At least 3 years of direct experience 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 or lithium-polymer cell design, fabrication, and/or battery pack assembly and integration.
  • Experience working with global suppliers to establish and qualify manufacturing processes from new product introduction 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.
  • Ability to travel internationally up to 15% of the time.
  • Ability to communicate challenges effectively to leadership and cross-functional partners.

Responsibilities

  • Define battery cell, assembly, and integration processes to meet 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 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 global suppliers to establish and optimize battery cell fabrication, assembly, and pack-integration processes, ensuring quality and resolving production issues.
  • Use data to drive process decisions and influence product and industrial design, including cell dimensions, capacity, tolerances, and specifications.

Desired Qualifications

  • Familiarity with battery safety and regulatory standards such as UN 38.3, IEC 62133, and UL 1642/2054.

About the Company

Oura

Makes smart rings for sleep and recovery

Oura designs smart rings and a companion app for people who want to understand their sleep, activity, stress, and recovery. Its ring measures signals such as heart rate, movement, and temperature while fitting into daily life without a screen on the wrist. The app turns these daily measurements into sleep and readiness scores, compares changes with a personal baseline, and suggests habits that support rest and activity. Oura sells rings through its website and retail partners, while paid memberships unlock detailed app insights and guidance beyond the basic scores. Founded in Finland in 2013, Oura is headquartered in San Francisco, United States.

Company size
1,001-5,000
Company stage
Debt Financing
Total funding
$1.5B
Headquarters
San Francisco, CA
Founded
2013

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