Embedded Firmware Engineer - Linux

J K Exim; Faridabad; On-site; INR 2,500,000 - 3,500,000; Full time

Job summary

JK Exims is seeking an Embedded Firmware Engineer with extensive experience to develop and maintain firmware for Linux-based railway systems. The role covers kernel customization, device drivers, and networking stacks, with emphasis on secure firmware deployment and OTA updates.

Collaborate with hardware teams to ensure tight firmware/hardware integration. On-site work is expected in Faridabad, India, with a strong focus on diagnostics, testing, and certification support.

Qualifications

• 35+ years of embedded firmware experience.
• Strong C/C++ and Embedded C for Linux systems.
• Hands-on Linux kernel, device drivers, and system programming.
• Familiarity with Yocto, Buildroot, UBoot, and systemd.
• Knowledge of networking protocols and industrial standards.
• Experience with debugging tools (GDB, JTAG, Wireshark).
• Exposure to edge computing platforms (ARM Cortex, NVIDIA Jetson, NXP i.MX, Raspberry Pi).
• Understanding of security practices for embedded Linux systems.

Responsibilities

• Develop and maintain embedded firmware for Linux-based systems.
• Implement and optimize device drivers, middleware, and application logic.
• Configure Linux kernel, bootloaders (UBoot), and system services.
• Collaborate with hardware engineers for firmware/hardware integration.
• Work with UART, SPI, CAN, RS485, Ethernet, USB protocols.
• Develop and debug networking stacks (TCP/IP, MQTT, HTTP).
• Perform system bringup, debugging, and validation using GDB/JTAG and logic analyzers.
• Implement OTA update mechanisms and secure firmware deployment.
• Prepare technical documentation and certification support materials.

Skills

Embedded firmware

C/C++

Linux kernel

Device drivers

Yocto/Buildroot/UBoot

System programming

Networking protocols

GDB/JTAG

Edge computing platforms

Security practices

Education

Bachelor's degree in Electronics/Electrical/CS

Master’s degree preferred

Tools

Git

Make

CMake

JTAG

GDB

Wireshark

Job description

Embedded Firmware Engineer (35 Years Experience)
Role Purpose: Develop embedded firmware and software for JK Exims railway systems including Video Surveillance Systems, Fire & Smoke Detection, Coach Door Automation, and Train Condition Monitoring ensuring realtime performance, diagnostics, and compliance.
Key Responsibilities:

• Develop and maintain embedded firmware for Linux-based systems (Yocto, Buildroot, custom distributions).
• Implement and optimize device drivers, middleware, and application logic for hardware peripherals.
• Configure and customize Linux kernel, bootloaders (UBoot), and system services for embedded platforms.
• Collaborate with hardware engineers to ensure firmware/hardware codesign and integration.
• Work with communication protocols: UART, SPI, IC, CAN, RS485, Ethernet, USB.
• Develop and debug networking stacks (TCP/IP, DHCP, DNS, HTTP/HTTPS, MQTT).
• Perform system bringup, debugging, and validation using tools such as GDB, JTAG, logic analyzers, and packet sniffers.
• Implement OTA (OverTheAir) update mechanisms and secure firmware deployment strategies.
• Conduct unit testing, integration testing, and compliance validation.
• Prepare technical documentation, release notes, and certification support materials.

Required Skills

• 35 years of experience in embedded firmware development.
• Strong proficiency in C/C++ and Embedded C for Linux systems.
• Handson experience with Linux kernel, device drivers, and system programming.
• Familiarity with Yocto, Buildroot, UBoot, and systemd.
• Knowledge of networking protocols and industrial communication standards.
• Experience with debugging tools (GDB, JTAG, Wireshark, logic analyzers).
• Exposure to edge computing platforms (ARM Cortex, NVIDIA Jetson, NXP i.MX, Raspberry Pi).
• Understanding of security practices for embedded Linux systems.

Qualification

• Bachelors degree in Electronics, Electrical, Computer Science, or related field (Master’s preferred).
• Strong skills in Embedded Software Programming and Linux-based embedded systems.
• Proficiency in software development, coding, testing, and integration in embedded environments.
• Knowledge of software design principles for modular, maintainable, and efficient architectures.
• Solid understanding of Linux OS internals, device drivers, and real-time concepts.
• Experience with version control tools (Git) and build systems (Make, CMake).

Ability to work on-site in Faridabad, collaborate in cross-functional teams, and communicate clearly in technical and non-technical contexts

Firmware Keywords: STM32, ESP32, Embedded C/C++, RTOS, Ethernet, CAN bus, SPI, I2C, UART, RS485, Modbus, predictive maintenance, diagnostics, logging, IoT protocols (MQTT/HTTP), Linux/embedded OS, bootloader, safety compliance (SIL2/SIL4)