Senior Reliability Engineer at Eight Sleep | California | Rezi

Senior Reliability Engineer at Eight Sleep

Senior Reliability Engineer

Eight Sleep · California

2 months ago

Senior Reliability Engineer

Eight Sleep · California

2 months ago
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About the Role

Lead reliability engineering efforts for critical hardware systems, focusing on long-term performance, durability, and robustness. Drive reliability strategy, testing, and validation for electromechanical components and sensors. Identify failure risks early, foster cross-functional collaboration, and ensure reliable hardware performance in challenging real-world environments.

Responsibilities

  • Lead reliability engineering efforts across hardware programs, ensuring components and systems meet demanding performance, environmental, and durability requirements.
  • Apply Design for Reliability (DfR) principles throughout the product lifecycle, from concept through production, to proactively mitigate failure risks.
  • Develop and execute comprehensive test strategies to uncover failure modes, validate off-the-shelf and custom hardware, and model expected field performance.
  • Translate FMEA and reliability risk analyses into targeted test plans with clearly defined objectives, acceleration factors, and pass/fail criteria.
  • Plan and run Design of Experiments (DOE) to isolate root causes and address key reliability concerns.
  • Design and optimize test fixtures and setups to evaluate hardware under electrical, thermal, mechanical, and environmental stresses (shock, vibration, thermal cycling, etc.).
  • Drive and support failure analysis investigations, collaborating closely with design, manufacturing, and component teams to identify root causes and implement corrective actions.
  • Leverage data analytics tools (e.g., Python, JMP, MATLAB) to automate testing workflows, perform reliability modeling (e.g., Weibull, Monte Carlo), and extract actionable insights from test data.
  • Champion continuous improvement in reliability processes and tools across hardware engineering teams.

Requirements

  • Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Materials Science, or a related field.
  • 5+ years of hands-on reliability engineering experience, preferably in electromechanical systems or sensors.
  • Proven track record in testing and validating hardware components for long-term field performance.
  • Strong understanding of physics of failure and reliability engineering principles, particularly for electronic, optical, or mechanical systems.
  • Experience with environmental and mechanical stress testing, including test design, execution, and result interpretation.
  • Familiarity with reliability analysis tools and techniques: FMEA, Weibull analysis, SPC, HALT/HASS, and accelerated life testing.
  • Proficiency in scripting or automation using tools such as Python, MATLAB, or LabVIEW.
  • Experience working with reliability test equipment such as environmental chambers, vibration tables, thermocouples, strain gauges, and data acquisition systems.
  • Strong communication and collaboration skills to work effectively with design, systems, manufacturing, and test teams.

Skills

  • Design for Reliability (DfR)
  • FMEA
  • Reliability risk analysis
  • Design of Experiments (DOE)
  • Test fixture design
  • Hardware evaluation under electrical stress
  • Hardware evaluation under thermal stress
  • Hardware evaluation under mechanical stress
  • Hardware evaluation under environmental stress
  • Shock testing
  • Vibration testing
  • Thermal cycling
  • Failure analysis
  • Data analytics
  • Python
  • JMP
  • MATLAB
  • Reliability modeling
  • Weibull modeling
  • Monte Carlo modeling
  • Scripting
  • Automation
  • LabVIEW
  • Environmental stress testing
  • Mechanical stress testing
  • Weibull analysis
  • SPC
  • HALT/HASS
  • Accelerated life testing
  • Environmental chambers
  • Vibration tables
  • Thermocouples
  • Strain gauges
  • Data acquisition systems
  • Communication
  • Collaboration

Location

  • San Francisco, CA

Work Type

  • Full-time

Experience Level

  • Senior
  • 5+ years of hands-on reliability engineering experience

Education Level

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

Salary/Compensations

  • $150k-180k

Benefits

  • Equity participation for every full-time team member
  • Periodic equity refreshments based on performance
  • Rapid pay growth with experience and impact
  • Personal Pod product
  • Full access to health, vision, and dental insurance for you and your dependents
  • Supplemental life insurance
  • Flexible PTO
  • Commuter benefits
  • Paid parental leave

About the Company

  • Eight Sleep is the world’s first sleep fitness company, dedicated to fueling human potential through optimal sleep.
  • Redefines being well-rested by building advanced hardware, software, and AI technology.
  • Products transform sleep into a personalized, data-driven recovery experience, powering peak mental, physical, and emotional performance.
  • Trusted by high performers, professional athletes, and health-conscious consumers in over 30 countries.
  • Recognized as one of Fast Company's Most Innovative Companies (2019, 2022, 2023) and twice named to TIME's “Best Inventions of the Year.”
  • Operates as a high-performance team: fast, focused, and motivated by impact, with a commitment to iterating, refining, and obsessing over details.
  • Fosters a culture of excellence and innovation, pushing the boundaries of technology in sleep fitness.
  • Values intensity, focus, and a relentless pursuit of being in the top 1% of their craft, akin to a 'mamba mentality'.
  • Team members are deeply committed, often working 60+ hours a week, driven by investment in the mission to build fast, push limits, and deliver without compromise.

Equal Opportunity

  • Committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.
  • Ensures everyone feels they can flourish and grow.