Truminds - Ethernet Driver Developer

1 week ago

Hyderabad, Telangana, India Truminds Software Systems Full time ₹ 60,000 - ₹ 1,80,000 per year

Job Description
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

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