Firmware Engineer Job at Pentangle Tech Services | P5 Group, Mossville, IL

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  • Pentangle Tech Services | P5 Group
  • Mossville, IL

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:

  • 5–10+ 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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