Product Design Engineer
Zenara Health
CypressReactTypeScript
Senior Battery Design Engineer
ŌURA
full-time
Posted on:
Location Type: Hybrid
Location: San Francisco • California • 🇺🇸 United States
Visit company websiteSalary
💰 $190,000 - $250,000 per year
Job Level
Senior
About the role
- Lead the design, selection, and integration of batteries into wearable products, balancing safety, form factor, energy density, and manufacturability.
- Define and maintain product-level specifications for battery performance, reliability, and lifetime.
- Work hands-on with prototypes and production samples to validate and optimize battery integration.
- Develop and execute rigorous test and qualification protocols across environmental, mechanical, and usage scenarios.
- Partner with reliability engineering to establish lifecycle and safety test standards.
- Lead root cause analysis of battery-related failures and drive corrective actions through vendors and internal teams.
- Collaborate with supply chain and operations teams to qualify and manage battery cell and pack vendors, with a focus on Asia-based suppliers.
- Work closely with electrical, mechanical, firmware, and systems engineers to ensure seamless integration and performance.
- Provide guidance to cross-functional teams on best practices for battery handling, testing, and integration.
- Stay ahead of emerging battery technologies and assess their applicability to Oura’s products.
- Influence long-term product architecture by aligning battery capabilities with product and design requirements.
- Act as Oura’s internal subject matter expert on battery chemistry, safety, and packaging trends.
Requirements
- Bachelor’s or Master’s degree in Electrical Engineering, Materials Science, Chemical Engineering, or related field.
- 5+ years of experience in battery design and integration for consumer electronics or similarly high-volume, compact devices.
- Deep expertise in battery technologies, including chemistry, construction, safety, and packaging, with experience in Li-ion and emerging chemistries.
- Hands-on experience collaborating directly with battery cell and pack vendors, particularly in Asia.
- Familiarity with battery management systems (BMS), protection circuits, and system-level integration.
- Demonstrated success defining and meeting battery-level and product-level reliability, safety, and lifetime goals.
- Proven ability to lead failure analysis and implement corrective actions.
- Excellent communication skills and ability to work effectively in cross-functional and international teams.
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
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
battery designbattery integrationbattery performancebattery reliabilitybattery lifetimebattery technologiesLi-ion chemistrybattery management systemsfailure analysistest and qualification protocols
Soft skills
communication skillscross-functional collaborationleadershipproblem-solvinginfluencingguidanceteamworkanalytical thinkingadaptabilityattention to detail
