Network Stack Developer

MetAntz; Sunnyvale (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

MetAntz in Sunnyvale is seeking an experienced systems engineer to design and optimize L2/L3 protocol stacks and NIC driver interfaces across kernel and user-space environments.

You will work with cross-functional teams on firmware tests, RDMA/RoCE, and high-speed interconnects such as PCIe/InfiniBand, leveraging C/C++ and Python.

Qualifications

• 6+ years in L2/L3 stack development with NIC driver APIs in kernel and user mode
• Experience with high-speed cloud data center server stack development
• Strong programming skills in C/C++ and Python
• Familiarity with PCIe/InfiniBand interconnects

Responsibilities

• Develop, validate and maintain high-speed L2/L3 protocol stacks for NIC drivers in kernel and user space
• Implement and optimize L2/L3, RDMA, and RoCE for high-performance networking
• Collaborate with cross-functional teams to test NIC firmware and protocol stacks; troubleshoot NIC issues
• Develop and maintain test frameworks for NIC performance and functionality testing

Skills

C/C++/Python

Networking protocols

Packet capture/analysis

PCIe/InfiniBand interconnects

HCAs & bridges

Education

Bachelor's or Master's in Computer Science, Electrical Engineering, or related field

Tools

Packet capture tools

Linux kernel development

Job description

Key Responsibilities

• Develop, Validate and maintain highspeed 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

• 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.
• Hands on experience developing AI training/Inference application would be valuable.

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