Supplier Development Engineer, Battery

oura

Hybrid - San Francisco, California · Hybrid - San Francisco · United States

Posted Aug 21, 2026

Other
Remote
Supply Chain

Job description

Our mission at Oura is to empower every person to own their inner potential. Our award-winning products help our global community gain a deeper knowledge of their readiness, activity, and sleep quality by using their Oura Ring and its connected app. We've helped millions of people understand and improve their health by providing daily insights and practical steps to inspire healthy lifestyles.

Empowering the world starts with living our values and empowering our team. As a quickly growing company focused on helping people live healthier and happier lives, we ensure that our team members have what they need to do their best work — both in and out of the office.

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.

This is a hybrid role, the candidate should be based in the San Francisco Bay Area and able to come into the San Francisco office 2-3 days per week.

What you will do:

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

We would love to have you on our team if you have:

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

Benefits

At Oura, we care about you and your well-being. Everyone here at Oura has a ring of their own and we are continually looking to improve employee health and add to our benefits!

What we offer:

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

Oura takes a market-based approach to pay, which may vary depending on your location. US locations are categorized into tiers based on a cost of labor index for that geographic area. While most offers will be closer to the starting range, successful candidates' pay will be determined based on job-related skills, experience, qualifications, work location, internal peer equity, and market conditions. These ranges may be modified in the future.

San Francisco Bay Area: $151,300 - $178,000

Oura is proud to be an equal opportunity workplace. We celebrate diversity and are committed to creating an inclusive environment for all employees. Individuals seeking employment at Oura are considered without regard to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws. We will not tolerate discrimination or harassment based on any of these characteristics.

We will work to ensure individuals with disabilities are provided reasonable accommodation to participate in the interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Disclaimer: Beware of fake job offers!
We’ve been alerted to scammers posing as ŌURA recruiters, especially for remote roles. Please note:

Our jobs are listed only on the ŌURA Careers page and trusted job boards.
We will never ask for personal information like ID or payment for equipment upfront.
Official offers are sent through Docusign after a verbal offer, not via text or email.

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To all recruitment agencies: Oura does not accept agency resumes. Please do not forward resumes to our jobs alias, Oura employees, or any other organization's location. Oura is not responsible for any fees related to unsolicited resumes.