Arista Networks
Networking
PCIeSenior/LeadSoftwareEngineer
Neural analysis suggests this role is
optimal for mid candidates.
“PCIe Senior/Lead Software Engineer at Arista Networks. Skills: PCIe software, Low-level firmware, Driver development. Bring up pcie links on new hardware. Tune pcie parameters on root ports”
What You'll Achieve.
Maximize bandwidth; Improve reliability on PCIe links
Industry & Context.
Diagnosing problems; Troubleshooting issues; Fixing bugs
What They're Looking For.
Must Have
8+ years fluency in C or C++, Solid understanding of PCIe hardware, Solid understanding of PCIe software drivers, Significant hands-on experience diagnosing problems, Significant hands-on experience troubleshooting issues, Significant hands-on experience fixing bugs in low-level firmware
Nice to Have
Python experience an added bonus, PCIe state machine knowledge a plus, PCIe ltssm knowledge a plus, PCIe tlp knowledge a plus, PCIe credit flow control knowledge a plus, Experience with PCIe switches
What You'll Do.
Bring up pcie links on new hardware
Tune pcie parameters on root ports
Tune pcie parameters on bridges
Tune pcie parameters on end points
Modify linux pci drivers
Modify virtual memory allocation
Use AER to improve error visibility
Use AER to improve error resiliency
Use DPC to improve error visibility
Use DPC to improve error resiliency
Develop userspace software
Mediate between networking ASICs
Mediate between FPGAs
Mediate between PCIe bridges
Measure hardware read performance
Measure hardware write performance
Develop automated tests
How You'll Work.
Team & Collaboration
Work with hardware engineers; Work with diagnostics engineers; Work with software engineers
Full Job 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. Who 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 * D
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