Senior Optical System Test Engineer job opportunity at Arista Networks.

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Date2026-04-10T17:27:39.470Z bot
Arista Networks Senior Optical System Test Engineer
Experience: General
Pattern: Full-time
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loacation Santa Clara, California, United States
loacation Santa Clara, C..........United States
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Job DescriptionWhat You’ll DoWe are seeking a highly skilled and motivated Senior Optical System Test Engineer to join our hardware engineering team. In this role, you will be responsible for the design, development, and execution of test and validation plans for advanced optical sub-systems, including PICs, linear drivers, linear TIAs, and DSPs, supporting next-generation high-speed optical transceivers and photonic systems. This role is critical in bridging the gap between R&D and productization, ensuring that our optical components and sub-systems meet the highest standards of performance, reliability, and manufacturability.Key Responsibilities:Develop and execute test plans for validating the performance and functionality of:Photonic Integrated Circuits (PICs)High-speed optical driversTransimpedance Amplifiers (TIAs)DSPsCharacterize optical and electrical performance metrics such as insertion loss, extinction ratio, jitter, gain, bandwidth, and SNR.Set up and automate optical/electrical test stations using high-speed instrumentation and scripting tools (Python, LabVIEW, MATLAB, etc.).Work with cross-functional teams (photonic design, analog/RF design, packaging, firmware) to define test requirements and optimize test coverage.Conduct stress, reliability, and environmental testing (temperature cycling, aging, vibration) for optical components and assemblies.Perform high-speed eye diagram analysis, TDECQ, RIN, and receiver sensitivity testing.Develop automation frameworks for regression testing and continuous validation in both lab and production environments.Analyze test results and generate detailed reports to support design reviews and product qualification.Support failure analysis and root cause investigations during design validation and product ramp-up phases.Collaborate with manufacturing teams to transfer test procedures and support volume production test development.

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