Sr. Test Engineer - Power Conversion

Nextracker Inc.

112d • $150,000 - $170,000

About The Position

We are looking for a hands-on, technically strong development test engineer to validate the products and perform pre-certification compliance tests for utility-interactive inverters and power conversion systems. This role involves executing rigorous testing in accordance with national and international standards to ensure product safety, performance, and grid compatibility.

Requirements

• Bachelor’s in electrical/Electronic Engineering or equivalent hands-on experience.
• 8+ years performing compliance testing for power electronics or grid-interactive inverters.
• Proven hands-on experience with UL 1741, IEEE 1547, IEC 62109 compliance testing.
• Demonstrated ability to execute and complete product certifications.
• Practical experience with grid-interactive and grid-support standards.
• Strong communication and documentation skills.
• High attention to detail with ability to interpret and apply complex standards.
• Skilled in lab equipment operation, testing, troubleshooting, and data reporting.
• In-depth knowledge of grid interaction and support codes.

Nice To Haves

• Experience with energy storage systems, solar inverters, or grid-tied power products.
• Knowledge of international compliance and grid codes.
• Familiarity with compliance automation and scripting.

Responsibilities

• Read and apply standards (e.g., UL 1741, IEEE 1547, IEC 62109, IEC 61000 Series) to develop engineering and pre-compliance test plans.
• Write test plans based on Compliance Product Design Requirements (CPDR) summarizing grid and/or safety compliance needs.
• Set up and configure test hardware and firmware; execute and post-process tests; submit results to certification bodies.
• Perform tests including fault response, electrical safety, leakage current, dielectric withstand, temperature, pressure, mechanical safety, environmental exposure, EMC, functional safety, and abnormal conditions.
• Operate and maintain test instruments such as oscilloscopes, spectrum analyzers, surge generators, load banks, grid simulators, and environmental chambers.
• Build, calibrate, and modify test fixtures as required.
• Provide technical inputs for test effort estimates, site needs, and standard applicability.
• Create detailed test reports and documentation; interface with internal certification team and with NRTLs (e.g., UL, Intertek, CSA, TUV).
• Troubleshoot test issues in collaboration with design, quality, and compliance teams.
• Maintain safe lab practices and drive improvements in test efficiency and accuracy.

Benefits

• Health care coverage
• Dental and vision insurance
• 401(K) participation including company matching
• Company paid holidays with unlimited paid time off
• Generous discretionary company bonuses
• Life and disability protection
• Stock compensation eligibility for certain positions

What This Job Offers

• Career Level: Senior
• Education Level: Bachelor's degree
• Number of Employees: 1,001-5,000 employees