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Senior Firmware Engineer

Motion Recruitment
Tucson, AZ Contractor
POSTED ON 5/14/2026
AVAILABLE BEFORE 6/12/2026

Job Title: Senior Firmware Engineer

Location: Oro Valley, Arizona, USA (Onsite)

Duration: Contract: 12 Months with Possible Extension

Eligibility: US Citizens & Green Card Holders Only


We are looking for a highly skilled Senior Firmware Engineer to join a cutting-edge engineering team focused on embedded systems development and hardware-software integration.


Key Skills Required:

  • Strong expertise in Embedded C/C development
  • Experience with microcontrollers & RTOS environments (ARM Cortex-M, ESP32, FreeRTOS, Zephyr, etc.)
  • Hands-on knowledge of low-level communication protocols: I2C, SPI, UART, CAN, USB
  • Firmware architecture design, interrupt handling, memory management & state machines
  • Hardware debugging using JTAG/SWD debuggers, logic analyzers & oscilloscopes
  • Python scripting for automation, HIL testing & validation frameworks
  • Experience working in Agile/SAFe development environments


Key Responsibilities:

  • Design and develop robust, memory-efficient embedded firmware solutions
  • Build low-level drivers and middleware for hardware peripherals and sensors
  • Develop automated Hardware-in-the-Loop (HIL) testing frameworks
  • Collaborate with Electrical & Mechanical Engineering teams for system integration
  • Lead technical reviews, debugging efforts, and firmware optimization initiatives
  • Support PI planning, backlog refinement, and system demonstrations on target hardware


Ideal Candidate:

  • Strong troubleshooting and debugging mindset
  • Experience leading firmware projects or mentoring engineers
  • Ability to explain complex technical concepts clearly to cross-functional teams
  • Passion for building reliable, production-grade embedded systems


📩 Interested candidates, please share your updated resume.

Salary : $96

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