Senior Embedded RTOS Firmware Engineer – Rail (Equity)

Intramotev; St. Louis (MO); On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

Medical coverage

Unlimited PTO

Equity

Parental leave

Job summary

Intramotev in St. Louis, MO seeks a Senior Embedded Software Engineer, RTOS Firmware, to own motor-controller interface subsystems and bring up a second controller.

You’ll work from bench validation to vehicle integration in a small embedded team and mentor junior engineers. You will develop safety-critical firmware on FreeRTOS for STM32H7 with CAN/CAN-FD, perform on-target debugging, write unit tests with GoogleTest, and contribute to a robust CI/CD workflow using CMake, Docker, and GitHub

Qualifications

• Bachelor’s degree in a technical field is required.
• Production embedded C on RTOS with Arm Cortex-M, shipping firmware.
• CAN/CAN-FD integration including timeouts and fault handling.
• Design of safety-related state machines and interlocks.
• On-target debugging with SWD/JTAG and scopes.
• Unit testing of embedded C with mocks and CMake builds.
• Experience reviewing code and mentoring engineers.
• Willing to expand into new technical areas and collaborate in a team.
• Fluent written and spoken English, US person; US work authorization.

Responsibilities

• Subsystem ownership of named firmware subsystems end to end.
• Develop firmware in C on FreeRTOS with CAN/CAN-FD drivers.
• Bring up firmware on carrier boards using SWD/JTAG and ST-Link.
• Write host tests with GoogleTest; extend HIL bench with Python tests.
• Share PR reviews and mentor junior engineers.
• Collaborate with controls, electrical, perception and Linux teams.

Skills

Embedded C

RTOS

CAN/CAN-FD

Safety-critical firmware

Debugging (SW)

Unit testing

CMake / Build systems

Code review

Mentoring

Team collaboration

English fluency

Education

Bachelor's Degree in Computer Engineering, Electrical Engineering, Computer Science, or related field

Tools

SWD/JTAG

ST-Link

GoogleTest

CMake

Docker

GitHub Actions

HIL rigs

PCAN tools

Job description

Intramotev in St. Louis, MO seeks a Senior Embedded Software Engineer, RTOS Firmware, to own motor-controller interface subsystems and bring up a second controller.

You’ll work from bench validation to vehicle integration in a small embedded team and mentor junior engineers. You will develop safety-critical firmware on FreeRTOS for STM32H7 with CAN/CAN-FD, perform on-target debugging, write unit tests with GoogleTest, and contribute to a robust CI/CD workflow using CMake, Docker, and GitHub