Senior/Lead Software Engineer, Layer1

Arista Networks
Santa Clara
Workplace: OnsiteFull timeUSD 140,000 - 200,000 annuallyFunction: Software EngineeringExperience: 8+ yearsSkills: ["Problem solving","Mentoring","Collaboration","Communication"]

Layer1 software engineer at Arista designs and builds software that manages the physical layer, interfacing with hardware engineers and product management to create features for Layer1 components such as Phys and Transceivers. You will develop in C, C++, and Python, own features end-to-end, mentor junior engineers, and work across hardware, software, and data plane to ensure scalable, reliable connectivity for global networks.

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Arista Networks
Arista Networks
1 year ago

Senior/Lead Software Engineer, Layer1

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Source: Company careers pageValidated by: Fursa AI
Last checked: 17 hours agoStatus: Live

Job Summary

Layer1 software engineer at Arista designs and builds software that manages the physical layer, interfacing with hardware engineers and product management to create features for Layer1 components such as Phys and Transceivers. You will develop in C, C++, and Python, own features end-to-end, mentor junior engineers, and work across hardware, software, and data plane to ensure scalable, reliable connectivity for global networks.
Location: Santa Clara
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •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.
  • •Mentor new and junior engineers to bring them up to speed in Arista's software development environment.

Pay and Benefits

Salary: USD 140,000 - 200,000 annually

Key Requirements

  • •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
  • •Understanding of IP networking and/or distributed systems is a plus
  • •Ability to design a solution and implement features independently.
Experience:8+ yearsComputer networkingDistributed systems
Skills:Problem solvingMentoringCollaborationCommunication
Languages:English
Tech Stack:CC++PythonUNIXLinuxIP networking

Company Brief

Arista Networks
Designs and sells high-performance cloud networking hardware and software for large-scale data centers and enterprise environments, including switches, routers, and network operating systems focused on programmability, telemetry, and low-latency networking.
Industry: Networking Equipment
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Santa Clara, United States
Founded: 2004
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Glassdoor: 4.1
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