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Arista Networks · 2 weeks ago

Senior Optical Transceiver Firmware Engineer

Santa Clara, CA

Full-time

Onsite

Senior Level

$150K/yr - $230K/yr

5+ years exp

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center environments. They are seeking a highly motivated and skilled Senior Optical Transceiver Firmware Engineer to develop embedded software and firmware for next-generation optical modules and engines. The role involves collaborating with various teams to define and implement module behavior while ensuring performance and reliability targets are met.

Cloud ComputingData Center AutomationHardwareInformation TechnologySoftware

Culture & Values

H1B Sponsor Likely

Responsibilities

Design, develop, and debug embedded firmware for optical transceiver modules (e.g., OSFP, QSFP-DD, OSFP)

Implement firmware features to support CMIS, I2C/MDIO communication, module control, diagnostics, and alarms

Define firmware architecture and requirements in collaboration with optical hardware, electrical, and system teams

Develop and maintain automation tools for testing and validating firmware functionality and compliance

Collaborate with manufacturing and operations teams to support production testing, module calibration, and field upgrades

Ensure firmware meets reliability, security, and power efficiency targets

Participate in code reviews, documentation, and design discussions

Stay current with industry standards (CMIS, MSA, IEEE) and contribute to internal adoption of new features

Qualification

Embedded firmware developmentC/C++ programmingCommunication protocolsOptical transceivers experienceDebugging skillsWritten communicationVerbal communication

Required

Bachelor's degree in Electrical Engineering, Computer Engineering, or a related field

5+ years of experience in embedded firmware/software development, with a focus on hardware-level control systems

Strong proficiency in C/C++ programming for embedded systems

Experience working with optical transceivers or related modules (e.g., QSFP, OSFP, OSFP)

In-depth knowledge of communication protocols such as I2C, MDIO, SPI, and experience working with CMIS/PMBus

Familiarity with optical module diagnostics, alarms, monitoring, and calibration routines

Strong debugging skills using tools such as logic analyzers, bus analyzers, and oscilloscopes

Excellent written and verbal communication skills

Benefits

Medical

Dental

Vision

Wellbeing

Tax savings

Income protection

Company

Arista Networks

Glassdoor4.1

Arista Networks is a computer networking firm delivering cloud networking solutions for large data center and computer environments.

Founded in 2004

Santa Clara, California, USA

1001-5000 employees

http://www.arista.com

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 Company

Total Funding

$7.4M

Key Investors

Summit Partners

2015-05-27Post Ipo Debt· $2.62M

2014-06-06IPO

2013-12-21Series Unknown· $4.78M

Leadership Team

Jayshree Ullal

Chief Executive Officer and Chair

Kenneth Duda

CTO and SVP Software Engineering

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