Signal Integrity Engineer

InnoLight Technology; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

InnoLight Technology is seeking an experienced Principal/Senior Signal Integrity Engineer to lead the SI efforts for high-speed electronic systems in Singapore. The role focuses on designing and optimizing signal integrity for complex circuits, ensuring performance and reliability across data center and telecom applications.

You will guide simulations, test methodologies, and cross-functional collaboration with hardware teams to deliver robust PCB interconnects, PDN designs, and compliant

Qualifications

• Bachelor’s or Master’s degree in Electrical/Electronics Engineering; PhD a plus.
• 7+ years of experience in signal integrity analysis and high-speed PCB design.
• Proven track record in SI design for data centers, telecommunications, or high-speed computing hardware.
• Hands-on experience with oscilloscopes, TDR, and SI/EMI validation.
• Expertise in high-speed digital design and familiarity with PCIe, USB, Ethernet, and DDR protocols.

Responsibilities

• Lead signal integrity analysis for high-speed PCB designs and interconnects, ensuring minimal signal degradation, reflections, crosstalk, and EMI.
• Perform simulations and modeling using HyperLynx, SIwave, CST, Ansys or other SI/EMI tools.
• Develop strategies to minimize noise, jitter, and other SI issues in high-speed designs (diff pairs, transmission lines, PDN).
• Collaborate with hardware engineers to design, test, and optimize high-speed interconnects, PCBs, and system layouts.
• Support design of data center equipment, optical transceivers, telecom infra, and computing hardware for SI compliance.
• Ensure validation for PCIe, USB, Ethernet, and other protocols.
• Lead root-cause analysis for SI issues and prepare comprehensive reports.

Skills

Signal integrity

High-speed PCB design

Electrical design

PDN design

Noise & jitter reduction

SI testing

Education

Bachelor's or Master's in Electrical/Electronics Engineering

PhD with SI focus (preferred)

Tools

HyperLynx

SIwave

CST

Ansys

Oscilloscopes

TDR

Job description

We are looking for an experienced and highly skilled Principal/Senior Signal Integrity Engineer to join our engineering team. This leadership role will focus on ensuring the performance and reliability of high-speed electronic systems, including designing and optimizing signal integrity (SI) for complex circuits and systems. The ideal candidate will have deep technical expertise in high-frequency electrical design, signal integrity analysis, and hands-on experience working with high-performance hardware systems in industries such as telecommunications, data centers, or high-speed computing.

As a Senior Engineer, you will lead signal integrity efforts on cutting-edge projects, collaborating with cross-functional teams to ensure the design and implementation of high-quality, reliable electronic systems.

Key Responsibilities

• Lead signal integrity analysis for high-speed PCB designs and interconnects, ensuring minimal signal degradation, reflections, crosstalk, and electromagnetic interference (EMI).
• Perform simulations and modeling of high-frequency signal paths using tools such as HyperLynx, SIwave, CST, Ansys or other SI/EMI simulation software.
• Developstrategies to minimize noise, jitter, and other signal integrity issues in high-speed circuit designs, including differential pairs, transmission lines, and power delivery networks (PDN).
• Work closely with hardware engineers to design, test, and optimize high-speed interconnects, PCBs, and system layouts for minimal signal degradation.
• Participate in the design of high-performance communication systems, including data center equipment, optical transceiver, optical circuit switch, telecommunications infrastructure, and computing hardware.
• Ensure that high-speed circuits and systems are validated for performance and compliance with standards such as PCIe, USB, Ethernet, and other relevant protocols.
• Lead troubleshooting and root cause analysis for SI-related issues during the product development cycle.
• Prepare comprehensive documentation, including signal integrity analysis reports, simulation results, and design recommendations.

Qualifications

• s:Bachelor’s or Master’s degree in Electrical Engineering, Electronics Engineering, or a related field. PhD is a plu
• s.7+ years of experience in signal integrity analysis, high-speed PCB design, and electrical design for complex system
• s.Proven track record in signal integrity design and optimization for high-performance systems such as data centers, telecommunications, or high-speed computing hardwar
• e.Hands-on experience in testing and validation of high-speed electronic systems, including the use of oscilloscopes, TDR, and other test equipment for signal integrity analysi
• s.Expertise in high-speed digital design, including familiarity with high-speed communication protocols (e.g., PCIe, USB, Ethernet, DDR, etc.
• s).Deep understanding of PCB stack-up design, routing, and design optimization for signal integrit
• y.Familiarity with power integrity (PI) and electromagnetic interference (EMI) analysi
• s.Knowledge of the latest signal integrity testing standards and protocol