PCIe Software Engineer

Job DescriptionWho You'll Work WithOperating 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.What You'll DoBringing up PCIe links on new hardware designsTuning PCIe parameters on root ports, bridges, and end pointsModifying the Linux PCI drivers and virtual memory allocationUsing AER and DPC to improve error visibility and resiliencyDeveloping userspace software that mediates between networking ASICs, FPGAs, and PCIe bridges.Measuring hardware read and write performanceDevelop automated tests using C, C++ and Python to validate your features.QualificationsStrong engineering and Computer Science fundamentals.3+ years fluency in C or C++. Python experience is 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.Compensation InformationThe new hire base pay for this role has a pay range of $123,000 to $191,000.Arista offers different pay ranges based on work location, so that we can offer consistent and competitive pay appropriate to the market. The actual base pay offered will be based on a wide range of factors, including skills, qualifications, relevant experience, and work location.The pay range provided reflects base pay only and, in addition, certain roles may also be eligible for discretionary Arista bonuses and equity. Employees in Sales roles are eligible to participate in Arista's Sales Incentive Plan, which pays commissions calculated as a percentage of eligible sales. US-based employees are also entitled to benefits including medical, dental, vision, wellbeing, tax savings and income protection. The recruiting team can share more details during the hiring process specific to the role and location.Additional InformationArista Networks is an equal opportunity employer. Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law. All your information will be kept confidential according to EEO guidelines.J-18808-Ljbffr