Arista Networks · 2 months ago
Senior Optical System Test Engineer
Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. They are seeking a highly skilled and motivated Senior Optical System Test Engineer to join their hardware engineering team, responsible for the design, development, and execution of test and validation plans for advanced optical sub-systems.
Cloud ComputingData Center AutomationHardwareInformation TechnologySoftware
Responsibilities
Develop and execute test plans for validating the performance and functionality of:
Photonic Integrated Circuits (PICs)
High-speed optical drivers
Transimpedance Amplifiers (TIAs)
DSPs
Characterize 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
Qualification
Required
Bachelor's degree in Optical Engineering, Electrical Engineering, Physics, or a closely related field
Minimum of 3 years of hands-on experience in optical system or component-level testing
Direct experience in testing and characterizing: PICs (e.g., SOI, InP, or SiN platforms), Optical driver ICs, Transimpedance Amplifiers (TIAs)
Strong familiarity with optical communication principles, including NRZ/PAM4 modulation, dispersion, OSNR, and jitter
Proficiency with lab instrumentation, including: Optical Spectrum Analyzer (OSA), BERT, DCA, high-speed oscilloscopes, Tunable lasers, power meters, VOA, Network analyzers and probes for high-speed electrical testing
Experience with scripting and test automation using Python, MATLAB, LabVIEW, or similar
Understanding of industry standards such as IEEE 802.3, QSFP-DD, OSFP, and CMIS
Strong analytical skills and ability to work independently to troubleshoot and resolve technical issues
Excellent documentation and communication skills
Preferred
Master's or Ph.D. in Optical or Electrical Engineering
Experience with: Silicon photonics-based PICs, Coherent optical systems, DSP-based transceivers
High-speed transceiver testing at 100G, 400G, 800G, or 1.6T
Knowledge of DSP tuning (FIR filters, DFE, CTLE) and eye diagram optimization
Familiarity with simulation tools such as ADS, HFSS, Lumerical, or COMSOL
Experience in component-level reliability testing and qualification protocols
Exposure to high-volume production test environments and test data analytics platforms
Benefits
Medical
Dental
Vision
Wellbeing
Tax savings
Income protection
Company
Arista Networks
Arista Networks is a computer networking firm delivering cloud networking solutions for large data center and computer environments.
H1B Sponsorship
Arista Networks has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (204)
2024 (144)
2023 (111)
2022 (147)
2021 (152)
2020 (120)
Funding
Current Stage
Public CompanyTotal Funding
$7.4MKey Investors
Summit Partners
2015-05-27Post Ipo Debt· $2.62M
2014-06-06IPO
2013-12-21Series Unknown· $4.78M
Leadership Team
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