Principal Engineer, SI/PI

Wuhan, Hubei, China • Posted June 07, 2026

Job Type: Full-time

Location: Wuhan, Hubei

Posted: June 07, 2026

Category: Engineers

Application Deadline: July 17, 2026

Role Description

Your Job
The Principal SI/PI Engineer is the company’s technical authority for signal and power integrity in high-speed interconnect systems.
This role owns the end-to-end SI/PI architecture across die, package, PCB, connector, and system levels, drives resolution of the most complex integrity challenges, and defines methodologies, standards, and technology roadmap for next-generation interconnects for 200G/lane application.
What You Will Do
Define and maintain company-level SI & PI design methodologies, guidelines, and review processes.
Act as technical decision owner for critical SI/PI issues and root-cause analysis.
Lead full-channel SI modelling and optimization from Die → Package → PCB → Connector → System
Own SI analysis for 28G–224G SerDes, including insertion loss, crosstalk, eye diagram, jitter, and BER
Ensure compliance with OIF-CEI, IEEE 802.3 and other high-speed interface standards
Define and r...
                

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