Strong engineering and Computer Science fundamentals.
8+ years fluency in C or C++. Python experience beneficial.
Solid understanding of PCIe hardware and software drivers.
Familiarity with PCIe state machine, ltssm, tlp, and credit flow control.
Experience with PCIe switches.
Hands-on experience in diagnosing, troubleshooting, and fixing low-level firmware issues.
Responsibilities
Bring up PCIe links on new hardware designs.
Tune PCIe parameters on root ports, bridges, and endpoints.
Modify Linux PCI drivers and virtual memory allocation.
Utilize AER and DPC to enhance error visibility and resiliency.
Develop userspace software interfacing networking ASICs, FPGAs, and PCIe bridges.
Measure hardware read and write performance.
Create automated tests in C, C++, and Python to validate features.
Benefits
Working with a cutting-edge team at the intersection of hardware and software.
Opportunities to contribute to high-speed communication technology.
Engagement in performance optimizations that impact product reliability.
Involvement in creating software solutions that push technological boundaries.
Be part of a collaborative environment with engineers across various disciplines.
Full Job Description
Job Description
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.
Qualifications
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 Information
About Arista Networks
Arista Networks is a computer networking company headquartered in Santa Clara, California. The company designs and sells multilayer network switches to deliver software-defined networking solutions for large datacenter, cloud computing, high-performance computing and high-frequency trading environments. Arista Networks was founded in 2004 by former Cisco Systems engineers and is led by CEO Jayshree Ullal. The company went public in 2014 and is traded on the New York Stock Exchange under the ticker symbol ANET.