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.
- Robust 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