As their Test Engineer for Equipment & Cloud QA located in Langhorne, PA, you will own quality control and validation testing across the full product lineup, from physical hardware (batteries, inverters, gateways, and firmware) to the Fortress cloud platform, portal, and mobile/web applications. Direct experience with battery energy storage systems (BESS), inverters, or power electronics, including bench testing with lab instrumentation (e.g., multimeter, oscilloscope, power analyzer, programmable loads/sources).