Medium Voltage Test Engineer (Power Electronics)

TL;DR

Medium Voltage Test Engineer (Power Electronics): Building and operating high-voltage test infrastructure to characterize and qualify insulation systems in medium-voltage power electronics with an accent on test bench setup, dielectric characterization campaigns, and degradation analysis. Focus on designing test fixtures, executing dielectric strength tests, and translating test findings into corrective actions.

Location: On-site in Scotts Valley

Company

hirify.global is a startup company building cutting-edge power electronics for the 21st-century grid, aiming to de-bottleneck the growth of electricity generation and consumption with scalable, innovative, and less costly hardware solutions.

What you will do

• Design, build, and operate medium-voltage test benches, including HV power supplies, measurement dividers, and partial discharge detection systems.
• Build and document test fixtures for cable assemblies, busbars, insulation specimens, and HV subcomponents.
• Execute dielectric strength tests and perform insulation measurements using HV megohmmeters and dielectric analyzers.
• Run partial discharge (PD) measurements and execute accelerated aging campaigns on insulating materials.
• Track and analyze degradation trends across test campaigns and build structured data workflows and visualizations.
• Partner with design and materials engineering to translate test findings into corrective actions and design improvements.

Requirements

• Pursuing a BS or MS in Electrical Engineering, Physics, or Materials Science.
• Coursework in electromagnetics, dielectrics, or high-voltage engineering.
• Genuine technical interest in high-voltage physics, insulation behavior, and failure mechanisms.
• Strong debugging instincts and ability to isolate failure modes.
• Detail-oriented and safety-conscious.

Nice to have

• Exposure to partial discharge theory, dielectric spectroscopy, or high-voltage lab techniques.
• Familiarity with IEC or IEEE dielectric testing standards.
• Experience with data analysis and visualization in Python or MATLAB.
• Prior lab research in materials characterization, high-voltage systems, or power electronics.

Culture & Benefits

• Collaborative and enriching environment conducive to personal, technical, and career growth.
• Dynamic environment driven by first principles engineering.
• Opportunity to solve difficult problems with a strong bias toward hands-on execution and learning by doing.