Joby Aviation is seeking a passionate, motivated and hands-on Senior Test Engineer on the Energy Storage and Distribution System (ESDS) Test Team to lead battery system integration testing, verifying that the battery packs, battery management system (BMS), power distribution, power conversion, and battery thermal management subsystems perform together as an integrated, flight-critical energy storage system. Test preparation includes: Test engineering: Identify integration test objective(s); collaborate with the battery design engineering team, system engineers, and adjacent subsystem teams (powertrain, avionics, thermal) to devise system-level test matrices, instrumentation needs, and detailed test procedures that exercise realistic aircraft interfaces, operating modes, and mission profiles.