Senior Signal and Power Integrity Engineer

Job Title

Senior Signal and Power Integrity Engineer

Role Summary

Perform signal and power-integrity analysis and PDN design for high-speed ASIC, package, and PCB systems. The role focuses on simulation, measurement correlation, and automation to deliver SI/PI solutions for interfaces such as NVLink, PCIe, DP2.1, HDMI2.1, and USB4.

Experience Level

Senior — typically 5+ years of industry experience.

Responsibilities

Primary responsibilities include:

• Perform system-level SI and power-integrity simulations for NVLink, PCIe Gen6, DP2.1/HDMI2.1, USB4, and other high-speed I/O.
• Design and optimize power delivery networks (PDNs) across interposers, packages, and PCBs.
• Post-layout SI/PI model extraction and prepare results for project review and sign-off.
• Validate and improve SI/PI models through lab measurements and correlate with simulations (VNA, TDR, DSO).
• Automate simulation, data collection, analysis, and visualization using MATLAB, JMP, Python, or similar tools.
• Collaborate with ASIC, package, and PCB teams to resolve system-level signal and power issues.

Requirements

Must-have technical skills and experience:

• Strong understanding of electromagnetics, transmission-line theory, via behavior, S/Y/Z parameters, and EMI considerations.
• Hands-on experience with EM and SI tools such as ANSYS HFSS, Q3D, SIwave, and Cadence PowerSI.
• PDN evaluation using layout extraction tools and SPICE/time-domain simulations for power noise.
• Die power-delivery modeling experience; familiarity with tools such as CSM/Redhawk or Raptor-X.
• Familiarity with voltage-regulator and board power-supply modeling (Simplis or SPICE) and lab instruments (VNA, TDR, oscilloscope).
• Experience correlating measurements and simulations and delivering actionable SI/PI results.

Nice-to-have:

• Experience with MATLAB, Python, VBS, or C for simulation automation and data analysis.
• Knowledge of interface timing budgets, system modeling, and high-speed I/O design (clocking, Tx/Rx design, equalization).
• Experience developing novel algorithms or methodologies to improve SI/PI/EMI modeling and accounting for manufacturing variation.

Education Requirements

BS or MS in Electrical Engineering (or equivalent practical experience). The posting explicitly allows equivalent experience in lieu of a degree.

About the Company

Company: NVIDIA

Headquarters: Santa Clara, California, USA

NVIDIA is a global leader in accelerated computing, renowned for its innovative solutions in AI and digital twins that transform diverse industries. The company specializes in networking technologies, providing end-to-end InfiniBand and Ethernet solutions for servers and storage that optimize performance and scalability. NVIDIA serves sectors such as high-performance computing, enterprise data centers, and cloud computing, constantly reinventing its products and services to stay ahead in the market.