Firmware Engineer

RapinnoTech - APAC & USA; Dallas (TX); On-site; USD 130,000 - 210,000; Full time

Job summary

RapinnoTech - APAC & USA is seeking an experienced embedded software engineer to design, implement, and maintain the OBMF-ICP protocol stack and core components. You will lead transport bindings over USB and MCTP, and drive hardware bring-up from board validation to firmware readiness.

The role requires about 10 years of hands-on C and C++, expertise with MCTP/PLDM, USB, I2C/SMBus, SPI, UART, GPIO, and RTOS or embedded Linux on ARM/RISC-V.

Qualifications

• 10 years of embedded firmware experience with C and C++.
• Hands-on experience with USB, I2C/SMBus, SPI, UART, and GPIO.
• Experience with RTOS (Zephyr/FreeRTOS) or embedded Linux on ARM/RISC-V.

Responsibilities

• Design, implement, and maintain OBMF-ICP protocol stack components.
• Develop and integrate OBMF-ICP transport bindings over USB and MCTP.
• Lead hardware bring-up, board validation, and firmware readiness.
• Represent the program in OCP working groups and reviews.
• Drive architecture decisions and establish validation best practices.

Skills

Embedded C

C++

MCTP/PLDM

USB

I2C/SMBus

I3C

SPI

UART

GPIO

RTOS

Embedded Linux

Yocto/BitBake

CMake/Meson

Git

CI

Tools

JTAG/SWD

Logic Analyzers

Oscilloscopes

Job description

• OBMF-ICP Protocol Stack: Design, implement, and maintain the OBMF-ICP protocol stack and core protocol components.
• Transport Bindings: Develop and integrate OBMF-ICP transport bindings over USB and MCTP.
• Hardware Bring-up: Lead end-to-end hardware bring-up, including board validation, interface debugging, and firmware readiness.
• OCP Collaboration: Represent the program in OCP working-group discussions, reviews, and technical alignment activities.
• Technical Leadership: Drive architecture, resolve cross-layer issues, and establish implementation and validation best practices.

10 years of experience

• Expert embedded C, strong C++
• BMC / platform-management firmware experience (OpenBMC strongly preferred)
• DMTF MCTP and PLDM (incl. PLDM firmware update); working knowledge of SPDM
• Hands-on USB, I2C/SMBus, I3C, SPI, UART, GPIO; logic/protocol analyzers, JTAG/SWD
• RTOS (Zephyr/FreeRTOS) and/or embedded Linux on Arm Cortex-M / RISC-V
• Yocto/BitBake, CMake/Meson, Git, CI
• Understanding of I2C/SMBus, SPI, UART, USB, GPIO
• Basic hands-on with logic analyzers, oscilloscopes, JTAG/SWD; can read datasheets and schematics