Signal Integrity Engineer

  • Location:
    Shanghai, China
  • Area of Interest
    Engineer - Hardware
  • Job Type
  • Technology Interest
    *None, Networking
  • Job Id

Why You'll Love Cisco
Everything is converging on the Internet, making networked connections more relevant than ever before in our lives. Our employees' revolutionary ideas impact everything imaginable - from entertainment, retail, healthcare, and education, to public and private sectors, smart cities, smart cars, and everyday devices in our homes. Here, that means you'll take creative ideas from the drawing board to powerful solutions that have real world impact. You'll interface with Cisco leaders, partner with experienced mentors, and develop incredible relationships with colleagues who share your interest in connecting the unconnected. You'll be part of a team that cares about its customers, enjoys having fun, and you'll take part in changing the lives of those in our local communities. Come prepared to be inspired.

Team Description
Open-minded, driven, diverse and extremely innovative people at Cisco design the hardware that makes the internet work. Bring your knowledge of computers and networking and take it to a new level in any one of the following product categories including: cloud, social, mobile/wireless, video, VoIP, big data, collaboration, web, Internet of Things, routing, switching, IPv6, data center, HPC, TelePresence and many more. Your work will impact billions globally.

Data Center Business Group (DCBG) focus on the future data center switching needs of enterprise customers centered on their enterprise backbone and data center core LAN. Products include all Nexus seriess witches and MDS 9000. Powered by Cisco NX-OS. DCBG team at Cisco China Research and Development Center, Shanghai, China, concentrates on next-generation data center switching developments for Nexus 7000 and MDS 9000. 


As part of signal integrity and high speed design technology team, design and analyze high speed analog/digital circuits for networking products, with emphasis on high speed signal and power analysis (especially timing and noise) of ASICs and printed circuit boards.

·       Model/simulate/characterize high speed systems, including high speed I/Os, chip packages, printed circuit boards, and system interconnects.

·       Overcome the challenges of ultra-high data rate, wide buses, multiple clocks, and cutting-edge technology.

·       Seize the opportunity for circuit design innovation when faced with new challenges brought by the Multi-Gbps serdes products.  


Must have skills/experiences

  • Self motivated, teamwork and strong communication skills
  • Fluent English in speaking and writing.
  • Strong fundamental knowledge in related fields

Good to have skills/experiences

  • Spice (or equivalent) circuit simulation, 3D field-solver and time/frequency domain analysis.
  • SI or HW intern experience.
  • IBIS and SPICE simulation tools. Such as SpecctraQuest , Speed 2000, ADS, ICS and HSPICE etc,.
  • 2D/3D or high frequency field solver simulation tools, such as HFSS, CST, Q2D, Q3D, PowerSI, etc,.
  • High speed serdes design, PLL design and LVDS, LVPECL, CML and other high-performance I/O technology.
  • ASIC design with I/O selection and simulation/validation, and power noise analysis
  • Solid background on transmission line theory
  • Correlating simulation results with lab measurements using oscilloscope, TDR, VNA and Spectrum Analyzer.

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