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 DescriptionWho You'll Work With
Operating right where hardware meets software, the Platform team builds the foundation for our networking ASICs and supporting infrastructure. PCIe software engineers write the code that manages high speed communication between hardware components in our switches. We work with hardware, diagnostics, and software engineers to maximize bandwidth and improve reliability on the PCIe links.
What You'll Do
As part of this team, you’ll work on projects like:
- Bringing up pcie links on new hardware designs
- Tuning pcie parameters on root ports, bridges, and end points
- Modifying the linux pci drivers and virtual memory allocation
- Using AER and DPC to improve error visibility and resiliency
- Developing userspace software that mediate between networking ASICs, FPGAs, and PCIe bridges.
- Measuring hardware read and write performance
- Develop automated tests using C, C++ and Python to validate your features.
- Strong engineering and Computer Science fundamentals.
- 8+ years fluency in C or C++. Python experience an added bonus.
- Solid understanding of PCIe hardware and software drivers
- PCIe state machine, ltssm, tlp, credit flow control knowledge a plus
- Experience with PCIe switches
- Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level firmware
If you’re passionate about performance optimizations and enjoy working at the hardware/software boundary, the Platform team is a perfect choice!
Additional InformationArista 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.
Skills Required
- Strong engineering and computer science fundamentals
- 8+ years fluency in C or C++
- Python experience
- Solid understanding of PCIe hardware and software drivers
- Knowledge of PCIe state machine, LTSSM, TLP, credit flow control
- Experience with PCIe switches
- Hands-on experience diagnosing, troubleshooting, and fixing low-level firmware bugs
Arista Networks Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Arista Networks and has not been reviewed or approved by Arista Networks.
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Leave & Time Off Breadth — Time away is positioned as generous, including unlimited PTO, paid holidays, and flexible hours with hybrid options. Parental leave is also included, supporting time off needs beyond standard vacation.
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Equity Value & Accessibility — Equity participation is a notable component of rewards through RSUs and an employee stock purchase plan with a discount. This structure can materially increase total compensation when stock performance is favorable.
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Wellbeing & Lifestyle Benefits — Everyday perks and wellness supports are broad, including on-site gym/showers, secured bike storage, stocked break rooms, discounted lunches, wellness webinars, and social events. Family-planning benefits add to lifestyle and wellbeing coverage.
Arista Networks Insights
What We Do
Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large datacenter storage and computing environments. Arista’s award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.
