Senior/Principal RF Power Supply Engineer

Key Responsibilities: Debugging, testing, and verification of RF power supplies and high-voltage power supplies. Testing and evaluation of high-frequency high-voltage switching transistors. Design and verification of parasitic parameters, voltage equalization, dynamic uniformity, and static voltage equalization for multi-channel series connections. Design and verification of key components such as high-frequency transformers and high-frequency high-voltage high-power inductors. Modeling of power device and sequential link. Required Qualifications: Electrical/Power Electronics/Automation related majors. Proficient in electrical design and simulation tools, such as Altium Designer, Cadence, Eplan, Matlab, PSpice, etc. Other requirements: Solid theoretical knowledge of power electronics. Experience in high-voltage power supply development, familiar with signal processing, RF power supplies, DC power supplies, and control loop hardware processing. Knowledge on full-bridge and half-bridge topologies, with hands-on experience in carrier phase-shifting technology. Familiar with MOSFET and IGBT driving and protection; able to design high-frequency circuit breakers and inductors. Solid knowledge on power electronics and PID theory; able to model, simulate, and test control loops. Experience in semiconductor RF power supplies, high-voltage square wave power supplies, high-voltage generators, and high-voltage power supplies is a plus.