Apple posted related CAD Automation and Mixed-Signal Simulation Engineer roles in Austin and Sunnyvale. The senior description assigns ownership of AMS simulation methodology across analog, RF, interconnect, PMIC, and memory teams, spanning circuit and RTL simulation, behavioral modeling, co-simulation, logic equivalence, sign-off, and automation. Preferred experience includes discipline resolution, binding/IE setup, connect modules, AMSD blocks, wreal, RNM, UDN, and SystemVerilog/Verilog-A/Verilog-AMS. Both roles mention applying LLMs or AI agents to CAD software, test generation, and debug among preferred qualifications, with leadership of that work requested in the senior role.