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

• 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.

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

Core Skills

• Strong programming skills in C

• Solid understanding of:

  • Linux Kernel Internals

  • Device Driver Development

  • Multithreading and synchronization

  • Memory management

  • Interrupt handling

Linux Driver Frameworks (Any one)

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

All your information will be kept confidential according to EEO guidelines.