Lunar Energy · 2 hours ago
Senior Reliability Engineer
Mountain View, CA
Full-time
Onsite
Senior Level
$135K/yr - $165K/yrLunar Energy is a fast-growing, global company focused on transitioning homes to 100% clean energy. The Senior Reliability Engineer will ensure product reliability throughout the lifecycle of home energy products by collaborating with various engineering teams, developing test plans, and analyzing field performance.
Clean EnergyCleanTechElectrical DistributionEnergy ManagementRenewable Energy
Responsibilities
Collaborate with mechanical and electrical engineers during hardware design to establish and refine component and system level reliability targets for our power electronics and battery systems
Provide Design for Reliability (DfR) inputs during new product development
Drive Design Failure Modes and Effects Analyses (DFMEA) for various systems to capture performance risks and implement appropriate mitigation activities
Develop ALT Reliability Test Plans for components and subsystems using identified risks, reliability targets, and physics of failures methodology to demonstrate the required product reliability throughout its design life
Track field reliability performance for various metrics like part replacements, customer complaints, fault codes. Identify opportunities for continuous product improvement and reliability growth. Collaborate with the finance team to provide insights into our warranty program
Drive failure analysis of reliability test and/or field returns to determine root cause and drive product improvement through containment and corrective actions
Qualification
Required
Degree in Mechanical Engineering, Electrical Engineering, Chemical Engineering, Physics or Equivalent
Proven track record of solving complex power electronics reliability failures
Working knowledge in theory of operation of common power converter topologies (inverter, buck boost converter…etc)
Deep understanding of physics of failure and common failure mechanisms for PCBAs and power electronics components (MOSFETs, capacitors, inductors…etc)
Working knowledge of failure analysis techniques such as optical microscopy, SEM, CSAM, X-ray, cross-sectioning and EDX - know which technique to recommend given a specific failure
Experience with accelerated life testing models and the governing equations, specifically for PCBAs, battery storage, and relevant mechanical structures
Understanding of reliability statistics
Benefits
Medical, dental, and vision insurance for employees and dependents
Flexible Paid Time Off plus 10 paid holidays
Tax deferred 401(k) plan
Paid parental leave for all full time employees including 12 weeks paid parental leave for the birthing mother and 6 weeks paid parental leave for the non-birthing parent
Subsidized EV charging and pre-tax commuter benefits
Company
Lunar Energy
Lunar Energy powers homes around the world with endless clean energy.
Founded in 2020
201-500 employees
H1B Sponsorship
Lunar Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (11)
2023 (12)
2022 (12)
2021 (3)
Funding
Current Stage
Growth StageTotal Funding
$300M2023-11-03Series C
2022-08-24Series Unknown· $300M
Leadership Team
Kunal Girotra
Founder & CEO at Lunar Energy
Recent News
2025-09-09
citybiz
2025-06-12
Company data provided by crunchbase