Senior Optical Signal Integrity / Power Integrity (SI/PI) Engineer
Core
Lead the design, simulation, and validation of high-speed electrical interconnects and power delivery networks (PDNs) for next-generation optical modules and engines.
Role type
Senior IC Signal/Power Integrity Engineer (Optical Networking)
Builds
High-speed optical transceiver modules and high-density optical interconnect platforms (1.6T, 224G, 448G)
Domain
Data center networking, high-speed optical interconnects, photonic-electronic systems
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
High-speed SI/PI design and simulation, PCB stackup design, impedance control, PDN design, TDR/VNA measurement, PAM4 signaling expertise, MSA standards knowledge, root cause analysis
Preferred skills
Co-packaged optics experience, chiplet-based architectures, EMI/EMC considerations, thermal/mechanical effects on SI/PI, advanced substrate technologies
Technologies
Ansys HFSS, Keysight ADS, Cadence Sigrity, SiSoft QSI, TDR, VNA, oscilloscopes
Responsibilities
Lead SI/PI efforts for high-speed optical transceivers, design and simulate high-speed channels up to 448G per lane, develop and validate PCB stackups and connector transitions, design and optimize PDNs for high-speed DSPs, provide SI/PI layout guidelines to PCB designers, collaborate with validation teams for measurements and correlation, drive root cause analysis of SI/PI issues
Seniority
Senior, hands-on IC