Senior Embedded Firmware Engineer — Microcontrollers & RTOS

Polluxa, Inc.; Oshkosh (WI); On-site; USD 100,000 - 140,000; Full time

Job summary

Staffxpert LLC is seeking an Embedded Firmware Engineer to develop firmware for microcontrollers and SoCs, and to write drivers for UART, SPI, I2C, and GPIO. You will perform hardware bring-up, debugging, and board-level testing, collaborating closely with hardware engineers on PCB design and schematics.

The role requires 3+ years in embedded systems, and hands-on experience with RTOS such as FreeRTOS, Zephyr, or VxWorks, plus familiarity with JTAG, oscilloscopes, and logic analyzers.

Qualifications

• 3+ years of relevant experience in embedded systems engineer.
• Experience with RTOS (FreeRTOS, Zephyr, VxWorks).
• Familiarity with debugging tools (JTAG, oscilloscopes, logic analysers).

Responsibilities

• Develop firmware and embedded software for microcontrollers and SoCs.
• Write low-level drivers for peripherals (UART, SPI, I2C, GPIO).
• Perform hardware bring-up, debugging and board-level testing.
• Collaborate with hardware engineers on PCB design and schematics.

Skills

Embedded systems

RTOS experience

Debugging tools

Tools

JTAG

Oscilloscopes

Logic analyzers

Job description

Staffxpert LLC is seeking an Embedded Firmware Engineer to develop firmware for microcontrollers and SoCs, and to write drivers for UART, SPI, I2C, and GPIO. You will perform hardware bring-up, debugging, and board-level testing, collaborating closely with hardware engineers on PCB design and schematics.

The role requires 3+ years in embedded systems, and hands-on experience with RTOS such as FreeRTOS, Zephyr, or VxWorks, plus familiarity with JTAG, oscilloscopes, and logic analyzers.