Senior Reliability Engineer; Hardware

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.

WHOOP is seeking a Senior Reliability Engineer to lead the charge in ensuring our hardware products deliver a consistent, high-reliability experience for members. In this critical role, you will influence the full product lifecycle, from early design through mass production. Applying deep technical expertise to data-driven, risk-informed decisions and ensuring reliability is embedded in every phase of development. Your work will directly support WHOOP's ability to innovate quickly while maintaining industry-leading quality and performance standards.

• Own and drive reliability strategy across New Product Introduction (NPI), Ongoing Reliability Testing (ORT), and Continuous Improvement (CI) programs
• Define and execute robust reliability plans, including risk assessments, test protocols, data analysis, and decision-making for key program milestones
• Translate test data into actionable insights, such as AFR estimations, and collaborate with product, design, quality, manufacturing and supply chain teams to inform product and release decisions
• Lead root cause investigations and corrective actions for field and test failures, continuously improving product design and supplier maturity
• Standardize reliability protocols and partner with global suppliers and testing labs to ensure consistency, data integrity, and high reliability standards
• Collaborate cross-functionally across geographies and teams, serving as a technical authority on reliability considerations for new designs, materials, and manufacturing processes

• Bachelor's or Master’s degree in Mechanical Engineering, Materials Science, Reliability Engineering, or a related field
• 5+ years of hands-on experience in reliability engineering, ideally within consumer electronics or wearables
• Deep understanding of hardware reliability principles across electro-mechanical components, plastics, metals, and assemblies
• Experience designing and executing HALT, HASS, accelerated life testing, and other reliability methodologies
• Strong skills in statistical analysis, reliability modeling, and root cause analysis
• Demonstrated success working with suppliers and test partners globally, including in Asia and Mexico
• Exceptional communication skills, with the ability to synthesize and present complex findings to technical and non-technical audiences
• Strong organizational, problem-solving, and time management skills
• Knowledge of manufacturing processes and their impact on product reliability
• Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions
• Experience working with wearable technologies or consumer hardware products
• Familiarity with reliability standards, regulatory compliance, and product safety requirements
• ASQ Certified Reliability Engineer (CRE) certification

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. The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.

At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.

The U.S. base salary range for this full-time position is $125,000 - $165,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training. In addition to the base salary, the successful candidate will also receive benefits and a generous equity package. These ranges may be modified in the future to reflect evolving market conditions and organizational needs.

While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements.