Staff Reliability Engineer - Power Electronics & DFMEA

Lunar Energy; Mountain View (CA); On-site; USD 165,000 - 193,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Flexible Paid Time Off

Tax deferred 401(k) plan

Parental leave

EV charging subsidies

Job summary

Lunar Energy is seeking a Staff Reliability Engineer for power electronics in Mountain View, CA. You will collaborate with hardware teams to define and refine reliability targets for power electronics and battery systems, and drive DFMEA across multiple subsystems.

The role emphasizes designing reliability into products from concept through field performance. Key responsibilities include developing ALT test plans, performing root-cause failure analyses, and monitoring field reliability metrics

Qualifications

• Degree in Mechanical, Electrical, Chemical Engineering or Physics.
• Proven track record of solving complex power electronics reliability failures.
• Knowledge of common power converter topologies (inverter, buck, boost).
• Deep understanding of physics of failure and failure mechanisms in PCBAs and power electronics.
• Experience with failure analysis techniques such as optical microscopy, SEM, CSAM, X-ray, cross-sectioning and EDX.
• Experience with accelerated life testing models for PCBAs, battery storage and mechanical structures.
• Understanding of reliability statistics.

Responsibilities

• Collaborate with mechanical and electrical engineers during hardware design to set reliability targets.
• Provide Design for Reliability inputs during new product development.
• Drive Design Failure Modes and Effects Analyses (DFMEA) for various systems.
• Develop ALT Reliability Test Plans to demonstrate reliability during design life.
• Track field reliability metrics and identify opportunities for improvement and warranty insights.
• Lead failure analysis of reliability test and field returns to determine root cause and containment.

Skills

Power electronics

DFMEA

DfR inputs

Reliability testing

Failure analysis

Physics of failure

PCBAs

MOSFETs

Capacitors

Inductors

Accelerated life testing

Reliability statistics

Power converter topologies

Education

Mechanical Engineering

Electrical Engineering

Chemical Engineering

Physics

Equivalent

Tools

Optical microscopy

SEM

CSAM

X-ray

Cross-sectioning

EDX

Job description

Lunar Energy is seeking a Staff Reliability Engineer for power electronics in Mountain View, CA. You will collaborate with hardware teams to define and refine reliability targets for power electronics and battery systems, and drive DFMEA across multiple subsystems.

The role emphasizes designing reliability into products from concept through field performance. Key responsibilities include developing ALT test plans, performing root-cause failure analyses, and monitoring field reliability metrics