PCIe Senior/Lead Software Engineer

Arista Networks

2d

About The Position

Arista Networks is seeking a PCIe Senior/Lead Software Engineer to join their Platform team. This team operates at the intersection of hardware and software, building the foundation for networking ASICs and supporting infrastructure. The PCIe software engineers on this team write the code that manages high-speed communication between hardware components in their switches. They collaborate with hardware, diagnostics, and software engineers to maximize bandwidth and improve the reliability of PCIe links.

Requirements

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

Nice To Haves

• Python experience.
• PCIe state machine, LTSSM, TLP, credit flow control knowledge.
• Experience with PCIe switches.

Responsibilities

• Bring up PCIe links on new hardware designs.
• Tune PCIe parameters on root ports, bridges, and end points.
• Modify Linux PCIe drivers and virtual memory allocation.
• Utilize AER and DPC to improve error visibility and resiliency.
• Develop userspace software that mediates between networking ASICs, FPGAs, and PCIe bridges.
• Measure hardware read and write performance.
• Develop automated tests using C, C++, and Python to validate features.

Benefits

• Medical insurance
• Dental insurance
• Vision insurance
• Wellbeing programs
• Income protection
• Group Retirement Savings Plan

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees