Nextracker is looking for a Sr. Product Test Engineer- Power Conversion to validate products and perform pre-certification compliance tests for utility-interactive inverters and power conversion systems, ensuring product safety, performance, and grid compatibility according to national and international standards.
Requirements
- Proven hands-on experience with UL 1741, IEEE 1547, IEC 62109 compliance testing.
- Practical experience with grid-interactive and grid-support standards.
- Skilled in lab equipment operation, testing, troubleshooting, and data reporting.
- In-depth knowledge of grid interaction and support codes.
- 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.
- Troubleshoot test issues in collaboration with design, quality, and compliance teams.
Other
- 8+ years performing compliance testing for power electronics or grid-interactive inverters.
- Demonstrated ability to execute and complete product certifications.
- Strong communication and documentation skills.
- High attention to detail with ability to interpret and apply complex standards.
- Maintain safe lab practices and drive improvements in test efficiency and accuracy.
