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Optical Hardware Systems Test Engineer

Cisco · San Jose, California, US · On-site

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About Cisco

Cisco is a worldwide technology leader powering an inclusive future for all. Learn more about our products, services, solutions, and innovations. Backed by Sequoia and Menlo.

About the role

In this high impact role, you will be hands-on in the lab leading the testing, validation, and bring-up of next-generation networking systems integrating ultra-high-speed silicon and advanced optics. You will play a pivotal role in validating ground breaking 112G/224G PAM4 SerDes channels, high-density Data Center Interconnects (DCI), and emerging Co-Packaged Optics (CPO) architectures.

What they're looking for

  • Bachelor’s degree in Electrical engineering, Photonics, Computer Engineering, or related technical field with 7+ years of relevant industry experience (or Master's with 4+ years, PhD with 1+ years)
  • Hands-on experience in lab bring-up, system-level validation, and hardware testing of high-speed networking systems or electro-optic hardware
  • Strong understanding of optical transceivers, optical link budgets, high-speed SerDes (56G/112G+ PAM4), and bit error rate testing
  • Experience using standard lab instrumentation (VNAs, TDR, sampling scopes, BERTs, optical power meters, spectrum analyzers)
More about this role

The application window is expected to close on: 10/01/2026

Meet the Team

Cisco ASIC Engineers develop and work with Next Generation Technology to build Cisco ASIC products keeping in mind the user experience and in accordance with IEEE standards, and industry procedures. ASIC Engineers serve a range of roles at Cisco from IP Creators and architects creating industry standards, to Solution Integrators driving multi-functional teams to go from concept to production, as well as providing expertise in Solution Verification and ensuring that our products meet Cisco and Industry quality standards. They drive innovation across the large CISCO portfolio, including but not limited to System/Board Design, Circuit Board Layout, Hardware Automation, Validation and Test, Signal Integrity and Power Design. They work multi-functionally with system designers, diagnostics engineers, customer escalation engineers, & external vendors to ensure robust test methodology & timely issue mitigation resulting in high product quality and enable next generation solutions. They drive innovation across Cisco's hardware portfolio and enable next generation solutions through IP development, research, and...

Read the full posting on Cisco's site ↗

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