Linux Kernel Device Driver Engineer - PCI-e

Description

We are Hiring Linux Kerel Device Driver

Qualification

• B.E/B.Tech/M.E/M.Tech in Electronics, Computer Engineering, Computer Science, Electrical, or related fields.
• Experience : 3-8 years
• Location : Bangalore/ Hyderabad
  

Summary

• We are looking for an experienced Linux Kernel Developer with strong expertise in device driver development, kernel internals, and high-speed interface protocols.
• The candidate will work on low-level driver development, kernel optimization, and hardwaresoftware integration for high-performance embedded systems.
  

Roles & Responsibilities

• Design, develop, and maintain Linux kernel device drivers for various subsystems Work extensively with high-speed interfaces such as PCIe, USB 3.x, Ethernet (1G/10G/25G), MIPI, SerDes, etc.
• Implement and debug kernel modules, ensuring seamless integration with user-space applications.
• Work with Linux kernel subsystems : interrupt handling, memory management, power management, DMA, scheduler.
• Participate in board bring-up, including bootloader (U-Boot) setup, kernel configuration, and Device Tree updates.
• Collaborate with hardware and embedded teams to analyze schematics, SoC datasheets, and driver requirements.
• Optimize driver performance, reduce latency, and improve throughput for high-speed data paths.
• Perform kernel debugging using KGDB, crash tools, ftrace, printk, perf, LTTng, etc.
• Handle kernel patching, customization, and version upgrades.
• Create technical documentation and participate in design reviews.
  

Mandatory Skills

• 3 to 8 years of experience in Linux Kernel & Device Driver development.
• Strong expertise in C programming and embedded systems.
• Hands-on experience with high-speed protocols (mandatory) :
• PCIe
• USB 3.x
• Ethernet (1G/10G/25G+)
• SerDes / MIPI / CSI / DSI (any applicable)
  

Experience With

• Platform / Character drivers
• DMA engine and interrupt handling
• Synchronization (spinlocks, mutexes, atomic operations)
• Device Tree, cross-compilation, kernel configuration
• Strong understanding of kernel subsystems : IRQs, workqueues, timers, memory management.
• Experience with embedded Linux, BSP, Yocto/Buildroot.
  

Preferred Skills

• Experience with ARM/RISC-V/x86 architecture.
• Experience with high-speed signal debugging (scope, logic analyzer).
• Familiarity with PREEMPT_RT or real-time systems.
• Contributions to Linux kernel or open-source projects.
• Knowledge of U-Boot, firmware development.