Senior/Lead Software Engineer, BIOS

Arista Networks

Senior Software Engineer in Arista’s BIOS team developing low-level CPU firmware and BIOS software for Arista products. Leading new CPU integration, testing, and feature development in a collaborative environment.

Posted 6/29/2026full-timeRemote • 🇨🇦 CanadaSenior💰 CA$120,000 - CA$195,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxOpen SourcePython

About the role

Key responsibilities & impact

Design, develop, integrate and maintain the low-level CPU software in Arista products.
Develop automated tests using C, C++ and Python to validate your features.
Work with hardware engineers and vendors to qualify new CPUs and related components for use in Arista products.
Track ongoing developments in the Linux Kernel and identify features and functionality of interest to Arista for our products and for internal development needs.
Work with upstream open source BIOS communities to contribute features back to the mainline.
Review and contribute to functional and design specifications written by other engineers.
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.
Provide technical leadership across features, projects and tools.
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 and extensive experience programming in C required.
Knowledge of C++ and Python is desirable.
Experience designing and developing software in CPU firmware, BIOS and boot loader environments.
Experience bringing up new CPU boards.
Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level CPU firmware, BIOS and boot loader software.
Familiarity with Linux kernel architecture, design and implementation desirable
Understanding of IP networking architecture, design and principles desirable
Applied understanding of modern software engineering principles and practices
Strong problem solving and troubleshooting skills.
Strong software design and implementation skills.
Ability to work independently and in small teams.
Ability to communicate articulately, and document your designs and implementations clearly and concisely.
Familiarity with and experience working with the x86 and ARM CPU architectures

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

C ProgrammingC++ ProgrammingPython ProgrammingCPU Firmware DevelopmentBIOS DevelopmentBoot Loader DevelopmentTroubleshootingSoftware DesignSoftware ImplementationLinux Kernel Familiarity

Soft Skills

Problem SolvingCommunicationTeam CollaborationMentoring

Certifications

BS in Computer ScienceMS in Computer SciencePh.D. in Computer Science