Linux Kernel Driver developer

5 days ago

Hyderabad, India Truminds Full time

Key Responsibilities:

  • Plan, execute, and validate Android And / or Linux Kernel upgrades for a multitude of Chipsets having one or more different kernel versions
  • Applying Vendor and Device Specific Patches
  • Port and maintain Board Support Package (BSP) for SoCs such as Qualcomm
  • Update and integrate device drivers for peripherals (e.g., Ethernet, Wi-Fi, Camera, Audio, display, sensors etc).
  • Migrate and test any HAL (Hardware Abstraction Layer) changes for Android.
  • Perform bootloader updates and ensure secure boot compatibility.
  • Debug, resolve issues during the upgrade process (kernel crashes, HAL failures, app compatibility).
  • Work closely with QA to ensure stable releases after Kernel and / or driver upgrades.
  • Document upgrade procedures, patch sets, and integration step.Role & responsibilities

Preferred candidate profile

  • 3-10 years in Embedded Linux or Android platform development.
  • Experience with Android AOSP build systems and Linux build systems (Yocto, Buildroot), bootloaders
  • Good knowledge of Kernel internals, device tree, and driver development.
  • Strong knowledge of Linux kernel networking subsystem and net_device API.
  • Bring up and validate Ethernet interfaces during board bring-up
  • Hands-on experience writing or modifying Ethernet drivers (MAC/PHY).
  • Work with ethtool, iproute2, and other networking tools for driver testing.
  • Troubleshoot issues using Wireshark, tcpdump, perf, and kernel tracing tools.
  • Strong debugging skills using tools like adb, gdb, strace, dmesg, logcat
  • Performance Analysis and Optimization
  • Expert in Qualcomm Snapdragon SoCs, Linux kernel, BSPs, and device drivers
  • Experience with Yocto, Buildroot, U-Boot, and cross-compilation toolchains.
  • Detailed Understanding of cross-compilation and target flashing procedures.

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