PCIe Software Engineer: High-Speed Hardware Networking

Arista Networks; Nashua (NH); On-site; USD 120,000 - 170,000; Full time

Job summary

Arista Networks is seeking a PCIe software engineer to join the Platform team, bridging hardware and software in high-speed networking products. You will work on bringing up PCIe links, tuning parameters, and developing drivers and userspace software to optimize performance.

The role requires strong fundamentals in Computer Science and 3+ years of C/C++ experience, with Python as a bonus. You’ll collaborate with hardware, diagnostics, and software engineers to deliver reliable, high-performance

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

Firmware debugging

Job description

Arista Networks is seeking a PCIe software engineer to join the Platform team, bridging hardware and software in high-speed networking products. You will work on bringing up PCIe links, tuning parameters, and developing drivers and userspace software to optimize performance.

The role requires strong fundamentals in Computer Science and 3+ years of C/C++ experience, with Python as a bonus. You’ll collaborate with hardware, diagnostics, and software engineers to deliver reliable, high-performance