Tune PCIe parameters on root ports, bridges, and endpoints
Modify Linux PCI drivers and virtual memory allocation
Use 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
Automate tests using C, C++, and Python to validate features
Benefits
Opportunity to work at the cutting edge of hardware and software integration
Collaborative environment with hardware, diagnostics, and software teams
Focus on performance optimization
Engagement with diverse technologies like ASICs and FPGAs
Chance to influence low-level firmware development and diagnostics
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.
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!
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.
