BIOS Senior/Lead Software Engineer
Company websitearista.com (Arista Networks, opens in new tab)
Base salary $140K to $210K
Employer-published annual base salary, USD. Advertised base range in Santa Clara, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationSanta Clara, CA
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (1 h ago) · observed since
About this job
Company Description
Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.
At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.
Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.
Job Description
Who You’ll Work With
Arista’s BIOS team is responsible for developing and maintaining the CPU firmware, BIOS and Boot Loader software used in all Arista products.. This work includes bringing up new CPU boards, getting EOS to boot securely, efficiently and reliably. This work also involves designing and implementing new features in EOS to manage and secure the low level system initialization and booting subsystems, as well as keeping pace with the latest developments in the open source and proprietary BIOS development communities.
Arista BIOS software engineers are also responsible for low level software driving the CPU subsystems on all Arista products. You will evaluate new CPUs and work with CPU vendors and BIOS vendors to integrate their low level firmware into Arista products. You will work closely with hardware engineers to bring up, validate and test new CPUs in our hardware products.
Arista Software Engineering roles demand a strong and broad software engineering background. While the primary focus area for this role is firmware, BIOS and booting software, your work will cover all aspects of software development spanning the design and development of new features, debugging problems and fine tuning code for reliability and performance. You will own your projects from definition to deployment and customer interactions, and you will be responsible for the quality of everything you deliver.
What You’ll Do
- 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.
Qualifications
- 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
Compensation Information
The new hire base pay for this role has a pay range of $140,000 to $210,000.
Arista offers different pay ranges based on work location, so that we can offer consistent and competitive pay appropriate to the market. The actual base pay offered will be based on a wide range of factors, including skills, qualifications, relevant experience, and work location.
The pay range provided reflects base pay only and in addition certain roles may also be eligible for discretionary Arista bonuses and equity. Employees in Sales roles are eligible to participate in Arista’s Sales Incentive Plan, which pays commissions calculated as a percentage of eligible sales. US-based employees are also entitled to benefits including medical, dental, vision, wellbeing, tax savings and income protection. The recruiting team can share more details during the hiring process specific to the role and location
#LI-SP1
Additional Information
Arista Networks is an equal opportunity employer. Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law. All your information will be kept confidential according to EEO guidelines.
Source: Arista Networks on SmartRecruiters · View original posting (opens in new tab)
This listingBIOS Senior/Lead Software Engineer$140K to $210K
Senior/Lead Software Engineer, Layer1$140K to $200K
Electrical Manufacturing NPI Engineer$140K to $175K
Senior/Lead Software Engineer - (Network Systems)$140K to $210K
PCIe Senior/Lead Software Engineer$140K to $210K
Linux Kernel Senior/Lead Software Engineer$140K to $210K
Senior Board Power Engineer$139K to $190K
Chart as a table
| Role | Published base |
|---|---|
| BIOS Senior/Lead Software Engineer (this listing) | $140K - $210K |
| Senior/Lead Software Engineer, Layer1 | $140K - $200K |
| Electrical Manufacturing NPI Engineer | $140K - $175K |
| Senior/Lead Software Engineer - (Network Systems) | $140K - $210K |
| PCIe Senior/Lead Software Engineer | $140K - $210K |
| Linux Kernel Senior/Lead Software Engineer | $140K - $210K |
| Senior Board Power Engineer | $139K - $190K |
Observed changes
- Began meeting the published-salary criteria
- First observed on the employer's board
- Observed since
- Employer-stated posting date
- 2026-04-08
Where this pay comes from
Location as the employer wrote it: Santa Clara, CA, United States
The new hire base pay for this role has a pay range of $140,000 to $210,000.
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
