SI Simulation Design Engineer

Luxshare-Tech; Milpitas (CA); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Health, dental, and vision coverage

401(k) retirement plan with company is

Wellness programs and employee support

Life and disability insurance

Paid time off and company holidays

Job summary

Luxshare-Tech in Milpitas, CA, is seeking an SI Simulation Design Engineer to drive SI/PI/EMC simulations for high-speed interconnect products, translating system requirements into robust designs from concept through testing.

You will collaborate with customers, lead performance development for backplanes and I/O, analyze prototypes, and guide test fixtures and production-ready processes.

Qualifications

• Bachelor’s degree or above in Communications, Electronics, or a related field (Master’s degree preferred).
• 2+ years of industry experience in SI design and analysis.
• Proficient in simulation tools such as HFSS, CST, ADS, PLTS, with a solid understanding of connector and cable manufacturing processes.
• Hands-on experience with measurement equipment such as network analyzers and TDRs.
• Strong problem-solving skills, able to diagnose and resolve signal integrity issues effectively.
• Excellent communication and collaboration skills to work with cross-functional teams and customers.

Responsibilities

• Lead performance development for high-speed products, including backplanes, external I/O, internal I/O, and module-level products.
• Provide SI/PI/EMC design services to support product development.
• Analyze and resolve performance anomalies identified during prototype testing of high-speed products.
• Interface with customers to understand SI requirements, analyze system link performance, and propose connector and cable concept designs.
• Support customers in conducting end-to-end SI feasibility studies.
• Plan and drive technology pre-research projects related to electrical interconnect products, and conduct technology incubation research.
• Guide the design of high-speed product test fixtures and provide technical guidance for production processes, key considerations, and maintenance of high-speed product manufacturing.

Job description

Position Overview

The SI Simulation Design Engineer plays a key role in the research, development, and performance validation of high-speed interconnect products. This position focuses on delivering SI/PI/EMC simulation services, supporting product design, and ensuring system-level signal integrity from concept through testing. The engineer will work closely with customers to understand system requirements, provide technical solutions, and ensure reliable performance in next-generation interconnect solutions.

Key Responsibilities

• Lead performance development for high-speed products, including backplanes, external I/O, internal I/O, and module-level products.
• Provide SI/PI/EMC design services to support product development.
• Analyze and resolve performance anomalies identified during prototype testing of high-speed products.
• Interface with customers to understand SI requirements, analyze system link performance, and propose connector and cable concept designs.
• Support customers in conducting end-to-end SI feasibility studies.
• Plan and drive technology pre-research projects related to electrical interconnect products, and conduct technology incubation research.
• Guide the design of high-speed product test fixtures and provide technical guidance for production processes, key considerations, and maintenance of high-speed product manufacturing.

Qualifications & Skills

• Bachelor’s degree or above in Communications, Electronics, or a related field (Master’s degree preferred).
• 2+ years of industry experience in SI design and analysis.
• Proficient in simulation tools such as HFSS, CST, ADS, PLTS, with a solid understanding of connector and cable manufacturing processes.
• Hands-on experience with measurement equipment such as network analyzers and TDRs.
• Strong problem-solving skills, able to diagnose and resolve signal integrity issues effectively.
• Excellent communication and collaboration skills to work with cross-functional teams and customers.

Benefits

• Health, dental, and vision coverage
• 401(k) retirement plan with company matching
• Wellness programs and employee support resources
• Life and disability insurance
• Paid time off and company holidays

About Luxshare-Tech

Luxshare Technology, a subsidiary of Luxshare Precision, is a leading provider of communication infrastructure and enterprise-class interconnect products. We are a global designer and manufacturer of 5G communication equipment and enterprise-level interconnect solutions, including base station antennas, filters, RRUs, connectors, cables, optical modules, and AOC products. Leveraging innovative design, intelligent manufacturing, and strong partnerships, we collaborate with technology leaders to create agile, cutting-edge interconnect solutions.

Our business covers global telecom and enterprise customers, with sales, service teams, and R&D centers in the Americas, Europe, and Japan, enabling fast response and on-site support worldwide. Our products are widely used in wireless communication base stations, data centers, servers, switches, and routers, offering complete solutions from wireless, electrical, and optical interconnect to thermal management.