Senior Ethernet Device Driver Engineer

15 hours ago

Hyderabad, Telangana, India Truminds Full time

Ethernet Driver developer is responsible for ensuring Ethernet driver development / maintenance and feature migration over varying SoCs targeted towards different domains (Automotive / Home Router / IOT etc)

Key Responsibilities :

  • Develop, Customize and optimize Ethernet Drivers for specific chipsets, board variants.

  • Kernel Integration : Interface the driver with the Linux network stack, including the NAPI (New API) subsystem, netdev, and sk_buff management for efficient packet processing

  • Performance Tuning : Optimize Ethernet driver performance for high throughput, low latency, and minimal CPU utilization.

  • Ensure high scalability and efficient packet handling.

  • Debugging & Troubleshooting : Investigate, resolve complex network issues related to Ethernet drivers - latency problems, connectivity issues, and performance degradation.

  • System Integration : Work closely with HW engineers, firmware developers, kernel team to ensure tight integration between the Ethernet driver and the underlying network stack.

  • Leverage tools like Wireshark, tcpdump, and kernel logs for analysis.

  • Platform Support : Develop drivers that support multiple platforms, including x86, ARM, and other custom SoCs (System on Chips)

Educational Qualifications : Bachelors or Masters in Electronics, Electrical, or Computer Engineering.

Experience :

  • 5- 10 years in Linux Device driver / Kernel development.

  • Design, implement, and optimize Ethernet drivers for various HW platforms (NICs, switches, and embedded systems

  • Expertise with NICs and platform-specific hardware, including PCIe and DMA, , and Interrupts (MSI/MSI-X)

  • Debugging : Kernel debugging tools (e., GDB, kdb, WinDbg) and network analysis tools.

  • Solid skills in C, Shell scripting, and Compilation environment

  • Good knowledge of Linux Layer 2 / 3 Networking protocols

Nice-to-Have Skills :

  • Knowledge of Virtualization features such as SR-IOV (Single Root I/O Virtualization), VFIO and network function virtualization (NFV).

  • Familiarity with advanced Ethernet technologies like RDMA (Remote Direct Memory Access), RoCE (RDMA over Converged Ethernet), or DPDK (Data Plane Development Kit)

  • Contributions to open-source kernel projects

Must have skills: Ethernet Device Driver Development, Linux Kernel, C/C++, Device Driver Development, Embedded, QNX.

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