Network Stack Developer

Sumeru Solutions

  • Sunnyvale, CA
  • 5 days ago

    Highlights

    Develop, Validate and maintain high speed L2/L3 protocol stacks over NIC drivers in Linux kernel / User mode and other Host/Device operating systems. Collaborate with cross-functional teams to develop, test NIC firmware and protocol stack software, Troubleshoot and resolve NIC-related technical issues.

    Numbers & Facts

    LocationSunnyvale, CA

    Description


    Project Details:

    Job Title:

    Network Stack Developer

    Duration:

    Full Time

    Location:

    Sunnyvale, CA

    Key Responsibilities:

    • Develop, Validate and maintain high speed L2/L3 protocol stacks over NIC drivers in Linux kernel / User mode and other Host/Device operating systems.
    • Implement and optimize L2/L3 protocols, RDMA, and RoCE for high-performance networking applications.
    • Collaborate with cross-functional teams to develop, test NIC firmware and protocol stack software, Troubleshoot and resolve NIC-related technical issues.
    • Develop and maintain test frameworks for NIC performance and functionality testing.

    Required Skills:

    • Proficiency in C, C++, and Python programming languages.
    • In-depth knowledge of networking protocols, including TCP/IP, IPv4, and IPv6 and their packet formats.
    • Hands-on experience with tools for capturing and analyzing protocol packet exchanges across high-speed interfaces.
    • Understanding of high-performance multi-core CPU/GPU clusters and their high-speed interconnect fabric interfaces such as PCIe and Infiniband.
    • Working familiarity with Host Channel Adapters (HCAs) or bridges that parse, translate and route data from standard NW stacks into fabric-specific transport logic would be an added advantage.

    Desirable Skills:

    • Hands-on experience developing AI training/Inference application would be valuable.
    • Python scripting for test log analysis and NIC behavior triage.
    • Experience with machine learning and deep learning frameworks and their underlying NW payload transfer.
    • Working experience with latest AI coding copilot-based flows to generate, review, test and release code.

    Education:

    • Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field with a focus on computer systems or networking.

    Experience:

    • At least 6+ years of experience in L2/L3 stack development, using modern NIC device driver APIs including kernel mode and user mode drivers.
    • Experience working with high-speed cloud data center server stack development

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