Job Description – Signal Integrity & Power Integrity (SI/PI) Engineer
Location: Bangalore
Experience: 4-10 Years
Job Summary
We are looking for a highly skilled Signal Integrity & Power Integrity (SI/PI) Engineer to drive board-level SI/PI analysis and optimization for high-speed automotive and embedded computing platforms. The ideal candidate should possess strong expertise in high-speed interface design, simulation, PDN analysis, and SI/PI validation using industry-standard tools.
Key Responsibilities
Perform channel modeling, extraction, and eye diagram analysis for high-speed interfaces.
Conduct pre-layout and post-layout SI simulations to ensure compliance with interface standards.
Analyze signal quality parameters including crosstalk, reflections, jitter, insertion loss, return loss, and TDR.
Model, analyze, and optimize Power Distribution Networks (PDN).
Perform AC/DC droop analysis, target impedance profiling, and power delivery optimization for ASICs, SoCs, and FPGAs.
Collaborate with Hardware, PCB Layout (ECAD), and Validation teams to improve SI/PI performance.
Develop SI/PI design guidelines and recommendations for board-level designs.




Generate technical reports and provide design improvement recommendations based on simulation outcomes.
Required Skills
Strong understanding of Signal Integrity and Power Integrity fundamentals .
Experience with high-speed serial and memory interfaces.
Hands-on expertise with:
Ansys HFSS
Ansys Siwave
Siemens HyperLynx (2D & 3D)
Altium Designer
Experience in board-level timing analysis and simulation methodologies.
Solid analytical, troubleshooting, and technical documentation skills.
Interface & Protocol Experience
LPDDR4 / LPDDR5
PCIe Gen4 / Gen5
GMSL
FPD-Link
MIPI CSI
USB
Ethernet
JEDEC-based memory interfaces
Preferred Skills
Experience supporting automotive electronic platforms.
Exposure to SI/PI challenges in high-current, high-speed computing systems.
Knowledge of PCB stack-up optimization and electromagnetic behavior of high-speed designs.
Educational Qualification
B.E./B.Tech/M.E./M.Tech in Electronics, Electrical, Embedded Systems, VLSI, or related disciplines.

📌 Signal Integrity & Power Integrity (SI/PI) Engineer (Bengaluru)
🏢 L&T Technology Services
📍 Bengaluru