Signal Integrity Engineer – Memory Interface
Core
Signal integrity and power integrity engineering for Apple SoC memory interfaces (DDR/LPDDR) from package to board.
Role type
Senior IC signal integrity engineer (memory interface)
Builds
Apple mobile device SoCs
Domain
Consumer electronics / Semiconductor / Memory systems
Required skills
DDR/LPDDR interface design, electrical extraction, SI/PI modeling and simulation, test plan execution, silicon measurement correlation, 3D/2D EM simulation, transmission line theory, Python programming
Preferred skills
MSEE or Ph.D., package/board design analysis, PI/SI methodology development, lab equipment operation (VNA, TDR, real-time scope, spectrum analyzer), generative AI coding assistant usage
Technologies
Python, VNA, TDR, real-time scope, spectrum analyzer, EM simulation tools
Responsibilities
Conduct end-to-end SI/PI simulation studies for memory systems (die/interposer/PKG/PCB/PMU); Provide design guidelines to silicon floorplan, package, and system teams; Optimize IO settings; Perform feasibility studies for next-gen signaling schemes; Correlate simulation results with silicon measurements.
Seniority
Senior, hands-on IC
