Arista Networks

PCIe Software Engineer

Austin, TX, United States · On-site · Full-time

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About the role

Description from the employer’s posting. Check the employer’s page for the current version.

EmployerArista Networks
LocationAustin, TX, United States
Work styleOn-site
Employment typeFull-time
Employer posted5 months ago

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
Develop automated tests using C, C++ and Python to validate your features.

Show full description

Strong engineering and Computer Science fundamentals.
3+ 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!

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.

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