PCIe Software Engineer

• 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
• 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

Benefits

• Regular ”Snack Bash” Social Events with food and drinks!
• Biweekly Wellness webinars plus regular Wellness Week events focused on physical, mental, spiritual and financial wellness as well as career development and social activities
• Arista Gives Back: Employee Engagement Giving Drives and Volunteer events
• Medical, Dental & Vision Plan Coverage
• Life Insurance, AD&D, STD & LTD
• Flex Spending Accounts
• Employee Assistance Programs
• PTO & Paid holidays
• 401k Plan
• On-site Gym & Showers
• Secured Bike Lockers
• Secured Bike Lockers
• Flexible hours
• Employee Assistance Benefits that include mental health and backup child and elder care support
• Discounted lunches through WeBox for HQ employees
• Family planning benefits

• PCIe state machine, ltssm, tlp, credit flow control knowledge a plus
• Strong engineering and Computer Science fundamentals
• Experience with PCIe switches
• Solid understanding of PCIe hardware and software drivers
• 3+ years fluency in C or C++. Python experience an added bonus
• If you’re passionate about performance optimizations and enjoy working at the hardware/software boundary, the Platform team is a perfect choice!
• Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level firmware