Staff Reliability Engineer — Power Electronics & DFMEA

Lunar Energy Inc.; Mountain View (CA); On-site; USD 165,000 - 192,500; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) plan with tax advantages

Parental leave for all full-time staff

EV charging subsidies

Job summary

Lunar Energy Inc. is seeking a Staff Reliability Engineer specializing in power electronics in Mountain View, CA. You will ensure reliability across the product lifecycle, influence design decisions, and develop robust test plans for our home energy systems.

The role focuses on DFMEA, ALT testing, and collaboration with cross-functional teams to drive reliability improvements and protect customers as Lunar scales its clean energy platform.

Qualifications

• Degree in engineering or physics.
• Proven track record solving power electronics reliability failures.
• Knowledge of power converter topologies (inverter, buck/boost).
• Understanding physics of failure and failure mechanisms for PCBAs/components.
• Experience with failure analysis techniques (optical microscopy, SEM, X-ray, EDX).
• Experience with accelerated life testing models for PCBAs, battery storage.
• Understanding of reliability statistics.

Responsibilities

• Collaborate with mechanical and electrical engineers to set reliability targets for power electronics and battery systems.
• Provide Design for Reliability (DfR) inputs during new product development.
• Drive DFMEA to capture risks and implement mitigations.
• Develop ALT reliability test plans using risk-based methods and physics of failure.
• Track field reliability metrics and identify opportunities for improvement; support warranty insights.
• Lead failure analysis of test and field returns to determine root cause and containment actions.

Skills

Power electronics reliability

Power converter topologies

Physics of failure

Failure analysis techniques

Accelerated life testing

Reliability statistics

Education

Engineering or Physics degree

Job description

Lunar Energy Inc. is seeking a Staff Reliability Engineer specializing in power electronics in Mountain View, CA. You will ensure reliability across the product lifecycle, influence design decisions, and develop robust test plans for our home energy systems.

The role focuses on DFMEA, ALT testing, and collaboration with cross-functional teams to drive reliability improvements and protect customers as Lunar scales its clean energy platform.