PCIe Senior/Lead Software Engineer

Arista Networks•Santa Clara, CA

18h

About The Position

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments, leveraging advancements in cloud computing, artificial intelligence, and software-defined networking. The company fosters an inclusive environment, valuing diverse thought and perspectives, and has received awards for Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. The Platform team builds the foundation for networking ASICs and supporting infrastructure. PCIe software engineers on this team are responsible for writing code that manages high-speed communication between hardware components in switches, collaborating with hardware, diagnostics, and other software engineers to maximize bandwidth and improve reliability on PCIe links.

Requirements

Strong engineering and Computer Science fundamentals.
8+ years fluency in C or C++.
Solid understanding of PCIe hardware and software drivers
Experience with PCIe switches
Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level firmware

Nice To Haves

Python experience an added bonus.
PCIe state machine, ltssm, tlp, credit flow control knowledge a plus

Responsibilities

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.