Senior/Lead Software Engineer, Layer1

Arista Networks

Layer1 Software Engineer at Arista Networks developing software for physical layer network connectivity. Collaborating with cross-functional teams to innovate and enhance networking solutions.

Posted 5/22/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$120,000 - CA$195,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed SystemsLinuxPythonUnix

About the role

Key responsibilities & impact

Interface with customers, product management and hardware engineers to come up with innovative new Layer1 features.
Architect, design and manage the development of these features.
Develop and maintain features using C, C++ and Python, review and contribute to functional and design specifications.
Build automated tests and test infrastructure to test the features.
Work with hardware and manufacturing teams to bring new Layer1 components like Phys and Transceivers to market.
Collaborate with hardware engineers to design optimal software control interfaces for managing Layer1 components.
Provide technical leadership across features, projects and tools.
Work with Customer Support Engineers and customers to analyze, mitigate and fix problems in customer networks.
Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
Mentor new and junior engineers to bring them up to speed in Arista's software development environment.

Requirements

What you’ll need

BS Computer Science/Electrical Engineering/Computer Engineering + 8 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 6 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or equivalent work experience
Expert knowledge of C or C++ and Python.
Knowledge of UNIX or Linux
Knowledge of digital communication technologies like modulation and signal encoding schemes is a plus.
Understanding of IP networking and/or distributed systems is a plus
Experience working with low level hardware components is a plus
Applied understanding of software engineering principles
Strong problem solving and software troubleshooting skills
Ability to design a solution and implement features independently.
Ability to work in small teams.

Benefits

Comp & perks

medical
dental
vision
wellbeing
income protection
Group Retirement Savings Plan

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

CC++PythonUNIXLinuxdigital communication technologiesmodulation schemessignal encoding schemesIP networkingdistributed systems

Soft Skills

problem solvingsoftware troubleshootingindependent solution designteam collaborationtechnical leadershipmentoring

Certifications

BS Computer ScienceBS Electrical EngineeringBS Computer EngineeringMS Computer ScienceMS Electrical EngineeringMS Computer EngineeringPh.D. Computer SciencePh.D. Electrical EngineeringPh.D. Computer Engineering