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Nextracker Inc. · 5 months ago

Sr Reliability Engineer, Power Electronics & Electrical

Fremont, North Bldg, California - USA

Full-time

Onsite

Senior Level

$160K/yr - $180K/yr

7+ years exp

Nextracker Inc. is a leader in the energy transition, providing intelligent solar tracker solutions and software for solar power plants. They are seeking a highly motivated Sr Reliability Engineer, Power Electronics & Electrical to drive the reliability and performance of their power electronics and electrical cabling products throughout their lifecycle.

Renewables & Environment

H1B Sponsor Likely

Responsibilities

Design for Reliability: Implement advanced DfR methodologies to proactively mitigate potential failure modes in high-voltage and power electronic systems. Perform component derating analysis, thermal/mechanical stress evaluations, and ensure compliance with standards (JEDEC, IEC, UL). Conduct DFMECA and Fault Tree Analysis, and own the reliability requirements definition and tracking

Testing & Validation: Lead and define HALT/HASS testing protocols to expose early-life and latent design weaknesses. Develop and execute accelerated life testing (ALT) strategies across electrical, thermal, and mechanical domains, aligned with real-world usage profiles. Perform hands-on power converter validation (step load testing, power cycling, vibration testing, etc.) using lab instrumentation (oscilloscopes, spectrum analyzers, etc.)

Failure Analysis & Corrective Action: Investigate failures in design, validation, and field environments using advanced techniques such as SEM/EDS, X-ray, FTIR, and dye/pry methods. Coordinate internal and third-party failure analysis efforts and drive implementation of corrective and preventive actions. Design tests needed to verify failure mode and see through implementation of corrective actions and solutions

Simulation & Modeling: Use LT Spice, OrCAD, and simulation tools to analyze and validate circuit behavior under stress. Perform reliability prediction and modeling using tools such as ANSYS, RAM Commander, ReliaSoft, and Windchill

Cross-Functional Collaboration: Partner with design, test, and supplier engineering teams to ensure reliability targets are met throughout development cycles. Serve as the technical leader in reliability risk reviews and design validation gates. Responsible for communicating progress through presentations and technical reports to management

Qualification

Electrical EngineeringPower ElectronicsReliability AnalysisFailure AnalysisHigh Voltage SystemsDFMEAAnsys SherlockHALT/HASS TestingSoft Skills

Required

Bachelor's or Master's degree in Electrical Engineering, Power Electronics, or a related field

Proven experience (7+ years) working with high voltage systems, high power electronics, and DC-DC converters, preferably in renewable power electronics, electric vehicle, or industrial power systems

Experience with reliability standards and analysis methods: DFMEA, MTBF, FIT, ALT, HALT, and HASS

Background in Ansys Sherlock, Physics of failure principles and failure rate predictions based on stress factors like vibration, shock, temperature cycling and thermal gradients

Knowledge of industry standards and certifications for power electronics, including IEC, UL, JEDEC and IEEE

Preferred

Knowledge of Physics of Failure principles, Weibull life data analysis, and stress-based modeling techniques

Experience with PCBA-level derating analysis and reliability assessments for data center or energy infrastructure applications

Hands-on lab skills with electrical, thermal, and vibration test environments

Experience with Insulation Resistance, Dielectric Withstand and environmental testing for PV cabling, connectors and polymer overmolds

Familiarity with reliability planning for product field deployment and field return data analysis

Benefits

Health care coverage

Dental and vision

401(K) participation including company matching

Company paid holidays with unlimited paid time off

Generous discretionary company bonuses

Life and disability protection

Stock compensation

Company

Nextracker Inc.

Nextpower™ (formerly Nextracker) designs, engineers, and delivers an advanced energy technology platform for solar power plants, innovating across structural, electrical, and digital domains.

Founded in 2013

Fremont, CA, US

1001-5000 employees

H1B Sponsorship

Nextracker Inc. 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)

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Trends of Total Sponsorships

2025 (28)

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2023 (16)

2022 (17)

2021 (13)

2020 (17)