Job Description

Job Description:

We are seeking an experienced Embedded Firmware Engineer with a strong background in C programming , RTOS-based development , and device driver implementation for a long-term project with Caterpillar (Hiring Manager: Andy Braun) located in Mossville, IL .

Responsibilities:

• Design, develop, and maintain embedded firmware in C for real-time systems.
• Develop and optimize device drivers for sensors, actuators, communication modules, and microcontroller peripherals.
• Work with RTOS environments (such as FreeRTOS, QNX, or similar) to implement deterministic, multi-threaded embedded applications.
• Perform firmware debugging, testing, and validation using oscilloscopes, logic analyzers, emulators, and other embedded tools.
• Collaborate with hardware, systems, and controls engineering teams to integrate firmware with embedded platforms.
• Participate in code reviews, documentation, and continuous improvement of system performance and reliability.
• Support root-cause analysis and resolution of firmware-related issues in prototype and production systems.

Required Skills:

• 510+ years hands-on experience in embedded firmware development.
• Strong proficiency in C , low-level programming, and microcontroller-based systems .
• Expert knowledge of RTOS concepts : tasks, scheduling, interrupts, semaphores, queues, and memory management.
• Experience writing device drivers (SPI, I2C, UART, CAN, PWM, ADC, timers, GPIO, etc.).
• Familiarity with ARM-based processors or automotive/off-highway embedded systems is a plus.
• Experience in firmware debugging and system bring-up.

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