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Cisco is an enterprise technology company focused on networking, security, and digital infrastructure. Its portfolio includes routers, switches, optical transceivers, programmable silicon, edge computing platforms, Webex collaboration tools, observability products, AI-enabled software, and cloud-managed services. Cisco serves enterprises, service providers, and governments, supporting the design, operation, and security of large-scale networks and data centers through technology, professional services, training, and ongoing support.
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Senior ASIC Digital Design Lead, Silicon Photonics

Lead digital design for Cisco silicon photonics and high-speed optical networking solutions, spanning ASIC and CPU subsystem logic. Work across architecture, verification, tapeout, and post-silicon validation.

INIndiaOn-siteFull-timeSeniorEnglish RequiredHardware Engineer

Description

  • Lead digital logic development for silicon photonics and high-speed optical interconnects.
  • Guide ASIC development from architecture and RTL design through tapeout and post-silicon production support.
  • Coordinate digital logic integration with analog and mixed-signal blocks in Co-Packaged Optics and silicon photonics modules.
  • Set digital architecture, interface requirements, implementation plans, and design methods.
  • Lead block and top-level design, along with block-level verification.
  • Support full-chip integration of high-speed IP, including ODSP, D2D IP, SerDes XSR, SerDes PAM4 integrated drivers and TIA, and control functions.
  • Work with verification teams to reach functional closure and meet sign-off coverage metrics.
  • Prepare designs for physical implementation and support post-silicon bring-up and production release.
  • Contribute from pre-silicon RTL through GDS2 sign-off, then support FPGA prototyping, lab validation, and ATE bring-up.
  • Design complex digital blocks and CPU subsystems, resolving design and technical issues.
  • Translate top-level specifications into block-level requirements for high-speed datapaths and low-speed control planes.
  • Support synthesis, timing closure, DFT, low-power design, automation scripts, and QOR metric processing.
  • Take part in FPGA prototyping and validation.

Requirements

  • Bachelor’s or master’s degree in electrical engineering, electronics engineering, or a related discipline; a master’s degree is preferred.
  • 8–12 years of industry experience in digital design, including FSMs, CPU subsystems, complex SoCs, and FPGA validation.
  • Familiarity with SPI, I2C, APB, AXI, or comparable interfaces.
  • Familiarity with high-speed SerDes, Ethernet, D2D PHY IP, and related protocols.
  • Strong understanding of ASIC and SoC design flows.
  • Experience developing RTL with SystemVerilog and using simulation, lint, CDC/RDC, synthesis, formal or equivalence checking, DFT, and implementation handoff.
  • Solid understanding of front-end design and development.
  • Exposure to backend tools and activities, including CDC, synthesis, LEC, and DFT.
  • Strong collaboration, communication, and organizational abilities.
  • Strong analytical, debugging, and problem-solving skills.

Benefits

  • Opportunities to develop your career at Cisco.
  • Collaboration with experts around the world.
  • Work on optical transceivers, silicon photonics, and networking solutions.

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