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
• Robust 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.
• Strong 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.
• Knowled

📌 Signal Integrity (Bengaluru)
🏢 L&T Technology Services
📍 Bengaluru