San Jose, California, US
1 day ago
Senior Signal & Power Integrity Engineer
The application window is expected to close on: 3/3/25

This position requires that you work at the San Jose, CA office 5 days per week as the role requires lab work.


Meet the Team

Cisco enterprise and cloud networking SI team is seeking a Senior Signal & Power Integrity Engineer for the analysis and design of high-speed components, interfaces, and power distribution networks. You will be a member of the CHG (Common Hardware Group) signal integrity team developing the Next Generations of Cisco Switch products, and participate in the definition and design of current and next generation ASIC, package, printed circuit board (PCB), and system interconnect. You will work in a larger team and work closely with system architects, logic designers, ASIC engineers, package engineers, and other versatile and knowledgeable SI/PI engineers in the creation of next-generation networking products.


Your ImpactWorking directly with ASIC and system design teams to evaluate design tradeoffs and optimize design performance/risk/cost/manufacturabilityDrive next-generation SerDes IP characterizationDrive next-generation ASIC/system feasibility studiesDesign and analysis of multi-gigabit serial links/ parallel bus in system developmentElectromagnetic modeling of complex 3-dimensional structuresPerform pre- and post-route signal integrity analysis of both PCB and ASIC package designsGenerating and verifying PCB layout rulesModeling and analyzing power delivery networksPerforming physical measurements to collect data for design validation and simulation correlationsDriving methodology enhancements and automation improving performance and efficiencyDevelopment simulation tools with EDA vendor(s) whenever needed for analysis.Mentor junior engineers and internsMinimum QualificationsPhD with 2+ years, MSEE with 4+ years, or BSEE with 7+ years of related experience.Strong understanding of EE fundamentals, EM theory & coupling mechanisms.Strong understanding of transmission line theory, simulation, channel modeling & signal, and power integrity concepts.Strong lab & hands-on measurement experience (VNA, TDR & Scopes).Strong understanding & hands-on experience of simulation to measurement correlation efforts on individual SI/PI analysis during system SI/PI signoff.Preferred QualificationsWorking experience with high-speed NRZ and PAM4 SerDes, PLLs, CDR, and FECExperience with ASIC development focused on SerDes, memory (DDR) and IO IP selection, package design, and simulation, and ASIC level power integrity.In-depth knowledge of the IEEE 802.3 and OIF specifications for 25G/56/112Gbps Serdes Interfaces. Knowledge of 224Gbps+ SerDes speeds is a plus.Experience with a broad range of PCB materials, understanding cost/performance trade-offs, loss modeling & loss budgeting.Knowledge of DDR4/5 simulation methodology and timing analysisExposure to system-level power integrity and budgeting (DC, AC, transient analysis)Well-versed with 3-D field solvers & IBIS-AMI modelsStrong tools knowledge (HFSS, ADS, Matlab, Cadence PowerSI/DC, Allegro, Simbeor, HSpice)Generating the routing requirements and electrical margins for specific interfaces and verifying their correctnessAbility to define a project schedule and requirements, then deliver to that schedule.Experience driving cross-functional teams to deliver project timelines.Self-motivation, collaboration, high curiosity & passion for SI/PI, strong communication skills, and out-of-the-box thinking with a strong desire to innovate are importantKnowledge of optical transceiver module types, form factors, and requirements.#WeAreCisco

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