Linux Device Driver Development

HCL Technologies Limited; Bengaluru; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

HCL Technologies Limited in Bengaluru, India, seeks a Linux kernel driver engineer to design, develop and maintain Linux device drivers for diverse peripherals. You will work closely with firmware, hardware and validation teams to bring up boards and customize BSPs.

You will analyse crashes, memory issues and performance bottlenecks, perform kernel debugging and tracing, and contribute to upstreaming and patch integration.

Qualifications

• Strong expertise in Linux device driver development and Embedded Linux architecture.
• Experience designing, developing and maintaining Linux kernel device drivers for peripherals.
• Proficient in debugging kernels, IRQ handling and tracing; familiar with patching and upstreaming.

Responsibilities

• Design and develop Linux kernel device drivers for peripherals (I2C, SPI, UART, GPIO, PCIe, USB, NVMe).
• Perform board bring-up activities and BSP customisation in collaboration with firmware and hardware teams.
• Analyse kernel crashes, memory issues and performance bottlenecks; perform kernel debugging and tracing.
• Participate in code reviews and ensure adherence to software quality processes.

Skills

Kernel driver dev

Embedded Linux

I2C/SPI/UART

GPIO

PCIe/USB/NVMe

DMA

Kernel debugging

Upstreaming

Code reviews

Job description

• Strong expertise in Linux Device Driver development. Strong understanding of Embedded Linux architecture.
• Design, develop, and maintain Linux kernel device drivers.
• Implement and debug drivers for peripherals such as I2C, SPI, UART, GPIO, PCIe, USB, Ethernet, NVMe, and DMA-based devices.
• Kernel subsystem knowledge: Character, Network, Block Drivers, GPIO & Power Management Frameworks.
• Perform board bring-up activities and BSP customisation.
• Analyse kernel crashes, memory issues, performance bottlenecks, and hardware-software integration problems.
• Work closely with firmware, hardware, validation, and application teams.
• Support kernel upgrades, patch integration, and upstreaming activities.
• Interrupt (IRQ) handling. DMA buffer management. Kernel debugging and tracing.
• Participate in code reviews and ensure compliance with software quality processes