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Whoop

Posted 19 days ago

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Senior Reliability Engineer

BostonOn-siteFull-time

AI Summary

Senior Reliability Engineer responsible for defining and executing reliability strategies across NPI, in-market monitoring, and continuous improvement. Drives data-informed decisions, root cause analyses, and cross-functional alignment to ensure predictable launches and sustained field performance.

About this role

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 play a critical role in delivering predictable, high-confidence hardware launches and sustaining best-in-class in-market performance. This role is responsible for ensuring reliability is designed, demonstrated, and continuously improved across the full product lifecycle. You will drive data-informed decisions that reduce risk, eliminate surprises at launch, and ensure field performance matches expectations—directly protecting member trust and enabling WHOOP to scale with confidence.

RESPONSIBILITIES:

  • Own and drive reliability strategy across New Product Introduction (NPI), in-market monitoring (ORT/ Field Reliability), and continuous improvement initiatives, ensuring alignment with program risk and launch readiness

  • Define reliability requirements, targets, and validation strategies (e.g., DVT success criteria, AFR targets), ensuring products meet predictable launch outcomes and achieve reliability within defined thresholds

  • Identify, assess, and mitigate reliability risks early through structured methodologies (DFMEA, HALT, accelerated testing), achieving high coverage of critical failure modes prior to launch

  • Translate use cases and field conditions into system-level test strategy and execution plans (Test Protocols), ensuring no major unknown failure modes escape into market

  • Analyze reliability data to generate actionable insights (AFR, CoUR, TWR), influencing cross-functional decisions across design, manufacturing, and supply chain

  • Lead root cause investigations and corrective actions for test and field failures, driving resolution of top issues and enabling sustained product performance without regression

  • Partner with internal teams and external suppliers to standardize reliability practices, scale test capabilities, and ensure consistent execution across global partners

  • QUALIFICATIONS:

  • 8+ years of experience successfully applying Design for Reliability (DfR) principles, preferably in high-volume consumer electronics or wearable/medical device environments

  • Bachelor's or Master’s degree in Mechanical Engineering, Materials Science, Reliability Engineering, or a related field

  • Strong understanding of reliability principles across electro-mechanical systems, including failure mechanisms in materials, components, and assemblies

  • Experience defining and executing reliability test strategies (HALT, HASS, ALT) and translating results into product and business decisions

  • Proficiency in statistical analysis, reliability modeling, and structured problem-solving methodologies for root cause identification

  • Demonstrated ability to influence cross-functional teams and drive alignment on risk-based decisions in fast-paced development environments

  • Experience working with global suppliers and manufacturing partners to improve product reliability and test consistency

  • Strong communication skills with the ability to clearly convey complex technical insights to diverse audiences

  • 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

  • ASQ Certified Reliability Engineer (CRE) certification preferred
  • Skills

    AFR (Actual Failure Rate) AnalysisAI-assisted Tooling Usage In Reliability TasksALT (accelerated Life Testing)CoUR (Cost Of Unreliability) AnalysisDFMEA (Design Failure Mode And Effects Analysis)DFR (Design For Reliability)Electro-mechanical ReliabilityField ReliabilityHALT (Highly Accelerated Life Testing)HASS (Highly Accelerated Stress Screening)NPI Reliability StrategyProblem-solving MethodologiesQuality And Manufacturing LiaisonReliability ModelingRoot-cause AnalysisStatistical AnalysisSupplier And Manufacturing Partner CollaborationTest ProtocolsTWR (Time To Worldwide Repair) Analysis

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