Linux kernel Driver Development Engineer (Any Driver Development platform)

ALTEN Calsoft Labs is an Enterprise IT and product engineering service provider founded in 1992, Calsoft Labs was acquired by the French Based Multinational Engineering service provider ALTEN , in 2011 with offices in United States, Europe, Singapore and India . The company primarily focuses on Healthcare, Education, Retail and Networking & Telecom industries.

www.altencalsoftlabs.com

Job Overview

We are looking for a highly skilled Embedded Linux Kernel / Device Driver Engineer to design, develop, and optimize device drivers and kernel components for next-generation embedded platforms.

The ideal candidate will have strong experience in Linux kernel development, device drivers, and low-level system programming , with exposure in any one of graphics, multimedia, networking, or audio subsystems in Linux-based embedded systems.

Key Responsibilities

Linux Kernel & Driver Development

Graphics / Multimedia Drivers

- Develop and debug Linux drivers related to:
- DRM/KMS graphics drivers
- GPU/display pipelines
- Video drivers using V4L2
- Enable hardware acceleration using VAAPI and integrate with multimedia frameworks.

Linux Graphics Stack

- Work with DRM (Direct Rendering Manager) and KMS (Kernel Mode Setting) subsystems.
- Support graphics APIs and stacks such as:
- OpenGL
- Vulkan
- Mesa

Multimedia & Video

- Implement and optimize Video4Linux (V4L2) drivers for camera and video capture devices.
- Work with multimedia frameworks such as:
- GStreamer
- FFmpeg

Audio Subsystem

- Develop and debug audio drivers using ALSA / ASoC frameworks .
- Implement support for digital audio interfaces like:
- I2S
- TDM

Networking

- Develop and optimize Ethernet or network interface drivers .
- Debug and analyze issues within the Linux networking stack .

System Integration & Debugging

- Perform system-level debugging, profiling, and performance tuning .
- Analyze kernel logs, crashes, and system traces using tools like:
- ftrace
- perf
- gdb
- crash utility

Required Skills

Experience in one or more of the following

- Graphics Drivers
- DRM/KMS
- Mesa
- OpenGL
- Vulkan
- Multimedia / Video
- V4L2
- VAAPI
- GStreamer
- Video codecs
- Audio Drivers
- ALSA
- ASoC
- I2S / TDM
- Networking
- Ethernet drivers
- Linux network stack

Embedded Systems

- Experience working with embedded Linux platforms
- Knowledge of RTOS concepts or real-time Linux
- Experience with ARM-based SoCs

Responsibilities

Design, develop, and maintain Linux kernel drivers and kernel modules for embedded platforms.; Debug and optimize device drivers, kernel subsystems, and system-level software .; Work with hardware teams to enable new device support and hardware bring-up .

Requirements

Strong programming skills in C; Solid understanding of:; Linux Kernel Internals; Device Driver Development; Multithreading and synchronization; Memory management; Interrupt handling