SI Simulation Design Engineer

Luxshare Precision Industry Co., Ltd.; Milpitas (CA); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health coverage

401(k) with company matching

Wellness programs

Life and disability insurance

Paid time off

Job summary

Luxshare Precision Industry Co., Ltd. is seeking an SI Simulation Design Engineer in Milpitas, CA to advance high-speed interconnect technologies.

You will lead SI/PI/EMC design efforts from concept through prototype validation, working closely with customers to define requirements and deliver robust solutions. The role requires 2+ years in SI design, proficiency with HFSS, CST, ADS, PLTS, and hands-on experience with network analyzers and TDRs.

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 HFSS, CST, ADS, PLTS with solid connector/cable manufacturing knowledge.
• Hands-on experience with network analyzers and TDRs.
• Strong problem-solving and collaboration skills.

Responsibilities

• Lead performance development for high-speed products, including backplanes and I/O modules.
• Provide SI/PI/EMC design services to support product development.
• Analyze and resolve performance anomalies identified during prototype testing.
• Interface with customers to understand SI requirements and propose connector/cable concepts.
• Support customers in end-to-end SI feasibility studies.
• Plan and drive technology pre-research projects related to electrical interconnects.

Skills

SI design

Signal integrity

HFSS

CST

ADS

PLTS

Measurement equipment

Education

Bachelor's degree in Electronics/Communications or related field

Master's degree preferred

Tools

HFSS

CST

ADS

PLTS

Job description

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.

We offer a comprehensive benefits package designed to support our employees' health, and well‑being, including:

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.