Senior/Lead Software Engineer – PCIe

🕒 July 29

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Arista Networks

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2004

🏢 Enterprise

📡 Telecommunications

💰 $2.6M Post-IPO Debt on 2015-05

Enterprise • Telecommunications • Cloud

Arista Networks is a leader in building scalable high-performance and ultra-low-latency networks for modern data center and cloud computing environments. The company offers a wide range of networking solutions including the Arista Extensible Operating System (EOS) for cloud networking, CloudVision for network automation and observability, and a variety of high-performance switches and routing platforms. Arista's solutions are designed for enterprise WANs, cloud-grade routing, multi-domain segmentation, security, and modern network operating models, making them a pivotal choice for hyperscale data centers and cloud environments.

📋 Description

• Operating right where hardware meets software • PCIe software engineers write the code that manages high speed communication between hardware components in our switches • Work with hardware, diagnostics, and software engineers to maximize bandwidth and improve reliability on the PCIe links • Bringing up PCIe links on new hardware designs • Tuning PCIe parameters on root ports, bridges, and endpoints • Modifying the Linux PCI drivers and virtual memory allocation • Using AER and DPC to improve error visibility and resiliency • Developing userspace software that mediates between networking ASICs, FPGAs, and PCIe bridges • Measuring hardware read and write performance • Developing automated tests using C, C++ and Python to validate your features

🎯 Requirements

• Strong engineering and Computer Science fundamentals • 8+ 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

🏖️ Benefits

• medical • dental • vision • wellbeing • income protection • Group Retirement Savings Plan