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PCIe Senior/Lead Software Engineer
Arista Networks
Remote, CAN
Full-time
Mid-Senior
Remote
$120,000 to $195,000
Discovered 3 weeks ago
C or C++PythonPCIe hardware and software driversPCIe switchesLinux PCI driversVirtual memory allocation
Free
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C or C++PythonPCIe hardware and software drivers
Role Overview
Join Arista Networks' Platform team, working at the intersection of hardware and software for networking ASICs and supporting infrastructure.
Develop PCIe software that manages high-speed communication between hardware components in networking switches.
Key Skills for This Role
C or C++PythonPCIe hardware and software driversPCIe switchesLinux PCI driversVirtual memory allocation
Full Job Posting
Role Overview
Join Arista Networks' Platform team, working at the intersection of hardware and software for networking ASICs and supporting infrastructure.
Develop PCIe software that manages high-speed communication between hardware components in networking switches.
What You'll Do
- 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.
- Use AER and DPC to improve error visibility and resiliency.
- Develop userspace software mediating between networking ASICs, FPGAs, and PCIe bridges.
- Measure hardware read and write performance.
- Develop automated tests in C, C++, and Python to validate features.
- Collaborate with hardware, diagnostics, and software engineers to improve PCIe bandwidth and reliability.
Qualifications
- Strong engineering and computer science fundamentals.
- At least 8 years of fluency in C or C++.
- Solid understanding of PCIe hardware and software drivers.
- Experience with PCIe switches.
- Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level firmware.
- Knowledge of PCIe state machines, LTSSM, TLP, or credit flow control is a plus.
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