PCIe Systems Engineer - High-Speed Networking

Arista; Nashua (NH); On-site; USD 110,000 - 170,000; Full time

Job summary

Arista Networks in Nashua, NH is seeking a PCIe software engineer for the Platform team. You will work at the hardware/software boundary, bringing up PCIe links on new designs and tuning root ports, bridges, and end points.

You will modify Linux PCIe drivers, apply AER and DPC to improve error visibility, and develop userspace tools to mediate between networking ASICs, FPGAs, and PCIe bridges. Strong C/C++ and Python skills are required.

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

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.

Skills

C/C++

Python

PCIe knowledge

Tools

Linux

PCIe drivers

Job description

Arista Networks in Nashua, NH is seeking a PCIe software engineer for the Platform team. You will work at the hardware/software boundary, bringing up PCIe links on new designs and tuning root ports, bridges, and end points.

You will modify Linux PCIe drivers, apply AER and DPC to improve error visibility, and develop userspace tools to mediate between networking ASICs, FPGAs, and PCIe bridges. Strong C/C++ and Python skills are required.