Staff Battery Engineer

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives.

As a Staff Battery Engineer at WHOOP, you will play a key role in ensuring our battery systems' ongoing quality, reliability, and performance in the field. You will collaborate with cross-functional engineering teams, suppliers, and third-party testing labs to sustain our current generation of products, focusing on quality control, failure analysis, design updates, supplier qualification, regulatory compliance, and integrating learnings into advanced development projects.

Responsibilities

• Lead quality control initiatives for current product lines, ensuring conformance to technical standards, safety regulations, and industry best practices.
• Qualify and evaluate new suppliers to ensure they meet WHOOP's quality, performance, safety, and regulatory standards.
• Conduct field quality assessments and collaborate with field service teams to monitor and address battery-related issues.
• Develop, audit, and document detailed test plans for battery systems and components, ensuring comprehensive coverage for field performance, durability, and safety.
• Maintain a deep understanding of relevant regulatory certifications and testing requirements (e.g., UL, CE, IEC) to ensure product compliance.
• Develop and execute verification, validation, and integration strategies for battery systems.
• Conduct and participate in system-level reviews, DFMEA, and risk assessments, focusing on field reliability, battery performance and regulatory compliance.
• Manage the battery subsystem team.
• Up to 15% travel to contract manufacturers and suppliers.

Qualifications

• 7+ years of experience in quality control, failure analysis, or sustaining engineering, particularly in battery-powered devices.
• Strong understanding of Lithium Ion Cell design and battery chemistry.
• Strong knowledge of regulatory certifications and testing requirements (e.g., UL, CE, IEC) for battery systems, and experience certifying products to these standards.
• Expertise in design verification, validation, and testing for battery systems.
• Proficiency in writing technical reports and documenting field quality findings, supplier assessments, regulatory compliance, and test evaluations.
• Strong communication skills and proven ability to communicate battery-related topics in cross-functional settings.
• Master's degree in Chemical, Mechanical, electrical engineering, systems engineering, or related field.
• Experience with rechargeable battery systems in wearables, consumer electronics, or related industries preferred.
• Experience in managing supplier relationships, and auditing new suppliers and alternate battery technologies preferred.
• Experience mentoring or leading technical teams preferred.
• Experience with scripting, data engineering, and visualization using Python or other relevant tools preferred.

This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.
Interested in the role, but don't meet every qualification? We encourage you to still apply At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.
WHOOP is an Equal Opportunity Employer and participates in
E-verify
to determine employment eligibility. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.