Sr. Product Test Engineer- Power Conversion

Job Description Job Title: Sr. Product Test Engineer- Power Conversion Job Summary

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.

Key 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.

Requirements

- Bachelor’s in electrical/Electronic Engineering or equivalent hands-on experience.

- 5+ 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.

Preferred

- 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

Nextracker offers a comprehensive benefits package. We provide 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 and more. Employees in certain positions may be eligible for stock compensation. All plans are in accordance with relevant plan documents. For more information on Nextracker’s benefits please view our company website at www.nextracker.com.

Pay is based on market location and may vary based on factors including experience, skills, education and other job-related reasons. The annual salary range for this position is $170,000 to $185,000.

At Nextracker, we are leading in the energy transition, providing the most comprehensive portfolio of intelligent solar tracker and software solutions for solar power plants, as well as strategic services to capture the full value of solar power plants for our customers. Our talented worldwide teams are transforming PV plant performance every day with smart technology, data monitoring and analysis services.

For us at Nextracker, sustainability is not just a word. It's a core part of our business, values and our operations. Our sustainability efforts are based on five cornerstones: People, Community, Environment, Innovation, and Integrity. We are creative, collaborative and passionate problem-solvers from diverse backgrounds, driven by our shared mission to provide smart solar and software solutions for our customers and to mitigate climate change for future generations.

Nextracker is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Culture is our Passion