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Duo Security Logo Duo Security · IT - Software Development

Senior Signal and Power Integrity Engineer

India, Bangalore · Job Posted January 22, 2026
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Job Description

At Cisco, Bangalore, the Common Hardware Group (CHG) architects, designs, builds, and delivers world-class Access, Edge, Aggregation, and Core routers that cater to the growing bandwidth demands of leading service providers and large enterprises.

Job Responsibility

  • Be responsible for delivering system-level signal and power integrity solutions for large sophisticated high-speed systems, boards & packages
  • Develop SI rules, review design implementation, build test plans, and document characterization & measurement reports
  • Improve & optimize design margins through interconnect, timing and crosstalk analysis, 3D EM & channel simulations for high-speed designs
  • Design & characterize test structures & channel models to correlate simulations with measurements for Serdes and interconnects
  • Collaborate with multi-functional teams - HW, PCB Layout, SW, MFG, ASIC
  • Be responsible for electrical characterization and verification of Transmitter/Receiver SERDES settings to meet the industry standards and internal Cisco requirements

Requirements

  • Bachelor's or Master’s Degree in Electrical Engineering
  • 6+ yrs of demonstrated ability in hardware design with emphasis on Signal and Power Integrity
  • Hands on exposure to lab measurements including real-time scope, sampling scope, Spectrum analyzer, VNA & TDR
  • Good understanding of EM and transmission line concepts, timing, jitter, crosstalk, noise, channel modeling, channel equalization techniques, power delivery & decoupling
  • Experience with 56G PAM4, 25G & 10G NRZ Serdes technologies, and DDR - simulation, bring up, debug, measurements, and optimization
  • Thorough knowledge of PCB stack-up design - standard processes, performance vis-à-vis PCB materials, surface finishes, vendor capabilities, and manufacturing trade-offs
  • Proficiency with simulation and analysis tools like ADS, HFSS, HSPICE, Cadence Allegro, PowerSI, MATLAB, and Hyperlynx
  • Excellent oral and written communication skills and capability to present concepts, analysis, and updates to larger teams and forums
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