SI/PI Technical Leader

Meet the Team\n\nAt Cisco's Common Hardware Group (CHG), our Signal & Power Integrity (SI/PI) team is where physics meets innovation. We design and analyze the high-speed interconnects and power distribution networks that fuel Cisco's next-generation Switch, Router, and AI/ML platforms.\nWe're looking for a Technical Lead, Signal & Power Integrity who's passionate about solving complex challenges across ASIC, package, PCB, and system levels, and who thrives at the intersection of deep technical problem-solving and hands-on mentorship.\nThis role offers a chance to shape leading-edge networking and compute systems while working alongside some of the most talented engineers in the industry-system architects, ASIC designers, packaging experts, and fellow SI/PI specialists-driving ideas from simulation all the way to product launch.\n\nYour Impact\nModel and simulate high-speed links, including SerDes, IC package, and system interconnects\nAnalyze and model power delivery networks and perform EM modeling of complex 3D structures\nLead pre- and post-layout signal integrity analysis for both PCB and package designs\nDefine stack-up strategy, PCB materials, and collaborate with vendors on DFM and manufacturability\nWrite SI/PI design guidelines, test plans, and validation reports\nSupport prototype bring-up, validation, and troubleshooting in the lab\nPartner closely with HW design, Mechanical, Power, EMC, and Diagnostics teams to deliver world-class hardware\nMentor and guide junior SI/PI engineers, fostering a culture of learning and technical excellence\nDrive continuous improvement of simulation flows, design processes, and methodologies\nLead system-level investigations spanning ASIC, package, and board domains\nContribute to our SI/PI technology roadmap-evaluating emerging tools, methods, and design paradigms\n\nMinimum Qualifications\n12+ years of relevant experience with a BSEE, or 10+ years with a MSEE (advanced degrees a plus)\nStrong fundamentals in electromagnetics, coupling mechanisms, and transmission line theory\nHands-on experience with VNA, TDR, and high-bandwidth oscilloscope measurements\nPractical experience in circuit and system-level signal and power integrity simulation\nProven ability to collaborate cross-functionally and drive technically complex programs\n\nPreferred Qualifications\nDeep expertise with tools such as HFSS, ADS, Allegro, PowerSI/DC, MATLAB, Simbeor, and HSpice\nFamiliarity with NRZ and PAM4 SerDes, high-speed PCB and package layout, and power integrity optimization\nCreative and analytical mindset with strong communication and leadership skills\nExperience defining or driving innovation in SI/PI methodologies and design flows\nKnowledge of optical transceiver modules, form factors, and co-packaged optics is a bonus\n\nWhy Cisco?\nAt Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds.