Principal Engineer, Signal Integrity
Core
Define, analyze, and verify system interconnects for high-speed digital systems across board, switch, and optical platforms to meet performance and schedule objectives.
Role type
Principal Signal Integrity Engineer (IC)
Builds
Next-generation platform solutions for AI, wired/wireless communications, and critical infrastructure
Domain
Semiconductor / High-speed digital interconnects
Required skills
EM fundamentals, transmission line theory, 2D/3D EM simulation (HFSS, Q3D, Sigrity, ADS), HSPICE, lab equipment (oscilloscopes, network analyzers, TDR), high-speed interfaces (DDR, PCIe, SerDes, USB, SATA), SI/PI methodologies, package/PCB modeling
Preferred skills
Power integrity simulation, customer-facing technical support
Technologies
HFSS, Q3D, Sigrity Suite, ADS, HSPICE
Responsibilities
Lead signal integrity delivery simulations and lab debug/measurement; Develop SI/PI rules and workflows; Partner with circuit design and packaging teams to define interconnects; Provide customer-facing SI/PI specifications and design reviews; Mentor junior engineers; Identify and mitigate signal integrity risks
Seniority
Principal, hands-on IC with mentorship
