Senior Design Engineer

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Meet the Team
Join Cisco’s Silicon Photonics group, where we combine deep expertise in analog, digital, and optical design to build the world’s fastest networking solutions. We’re a collaborative, innovative team passionate about pushing the limits of high-speed connectivity.

Your Impact

As a Hardware Design Engineer, you’ll lead the design and development of next-generation 100G/200G/400G photonics ICs. From architecture to lab validation, you’ll shape product direction, mentor engineers, and ensure Cisco stays at the forefront of optical networking innovation.

Responsibilities

• Drive architecture, design, and verification of high‑speed mixed‑signal and photonics circuits.

• Define and document chip‑level specifications and verification plans.

• Collaborate across optical, electrical, firmware, and manufacturing teams to deliver end‑to‑end solutions.

• Lead lab validation, debug, and yield improvement activities.

• Mentor and provide technical guidance to junior engineers.

Minimum Qualifications

• Bachelor’s + 7 years of related experience, or Master’s + 4 years, or PhD + 1 year, or equivalent related work experience.

• Master’s or PhD in Electrical Engineering (or related field).

• Experience in analog/mixed‑signal IC design for high‑speed systems.

• Lab validation and test experience with high‑speed equipment.

• Experience writing code with Python or C for automation and/or analysis.

• Expertise with design tools (Cadence Virtuoso, Spectre, Calibre, etc.).

Preferred Qualifications

• Deep expertise in photonics and high‑speed datapath circuits (modulators, TIAs, PLLs, ADC/DAC, CDR).

• Knowledge of industry standards (IEEE 802.3, QSFP,

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