Embedded Firmware/Software Engineer, USB-C Power Delivery for Fastwater Staffing and Recruiting

Role Description We're bringing up new hardware built around USB-C Power Delivery controllers and are looking for an embedded firmware engineer to help take these boards from bare PCB to working, production-quality firmware. You'll write and debug firmware on 32-bit ARM microcontrollers, configure companion ICs over I2C/SPI/UART, and work hands-on at the bench in collaboration with our hardware team. Job Responsibilities

• - Bring up new PCBs: validate power/clocks, connect a debugger, enable peripherals, and get firmware running on new hardware
• Develop and debug embedded C firmware on ARM Cortex-M-class MCUs
• Configure and drive companion ICs over I2C or other peripheral buses
• Implement and debug USB-C / USB-PD behavior (power negotiation, source/sink roles, fault handling, etc.)
• Debug at the bench with oscilloscope, protocol/logic analyzer, multimeter, and SWD/JTAG
• Work from datasheets, register tables, and schematics
• Document configurations and design decisions
• Collaborate with hardware engineers to isolate hardware vs. firmware issues

Required Skills

• - Strong embedded C on 32-bit MCUs (ARM Cortex-M or similar): interrupts, register-level peripheral work, development under flash/RAM constraints
• Working understanding of USB-C/USB-PD (source/sink/DRP roles, power contract negotiation)
• I2C/SPI/UART peripheral/companion-IC communication, configuration, and debug
• Hands-on hardware bring-up experience: taking a board from power-on to running firmware, or debugging firmware against real hardware
• Datasheet and schematic literacy: able to configure a part from its register tables and confirm pin/power connections
• Comfortable with standard bench debug tools: oscilloscope, logic/protocol analyzer, SWD/JTAG debugger, UART logging
• Git proficiency

Preferred Skills

• - Experience with a Cypress/Infineon MCU SDK/IDE and its middleware (e.g. ModusToolbox, STM32Cube, or similar), including creating/customizing a board support package
• Firmware update/bootloader work (DFU or equivalent): building and flashing update images
• Power-path or regulator firmware: VBUS control, fault detection/recovery (OVP/UVP/OCP), enable/soft-start sequencing
• USB subsystem experience: hubs, DisplayPort Alt Mode, redrivers/retimers, or billboard devices

Nice to have

• - Prior work with Infineon EZ-PD / PMG1 (or Cypress CCGx) PD controllers and ModusToolbox
• CI for embedded builds
• USB-IF PD compliance/USB-C requirements familiarity

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