Senior Embedded Firmware Engineer — RTOS & Bare-Metal

Re:Build Manufacturing; Wilmington (MA); On-site; USD 112,000 - 168,000; Full time

Benefits offered by this job

Medical benefits

Retirement plan

Paid time off

Job summary

Re:Build Fikst, part of Re:Build Manufacturing, is seeking an experienced embedded systems engineer to drive firmware modules from concept to production. You will bridge internal hardware teams and clients, writing and testing software for actuators, sensors, and system states on physical hardware.

The role requires 5–10 years of industry experience, strong C/C++ skills, and hands-on hardware debugging in regulated or complex environments.

Qualifications

• B.S. in Computer Science, Electrical Engineering, Robotics, or a related discipline.
• 5–10 years of industry experience.
• Broad technical background with experience in bare-metal and RTOS-based embedded firmware.
• Experience with firmware control of actuators, motors and sensors; hardware debugging.
• Proficiency in C/C++ and common communication protocols.

Responsibilities

• Take ownership of firmware modules, driving bare-metal or RTOS solutions from concept to production.
• Collaborate between internal hardware engineers and the client.
• Write, test, and debug embedded software to control actuators, read sensors, and manage system states.
• Validate firmware on physical hardware using logic analyzers and custom test setups.

Skills

Embedded firmware

C/C++

Firmware development

Bare-metal & RTOS

Hardware debugging

Education

B.S. in Computer Science or Electrical Engineering

Tools

FreeRTOS

Zephyr

Embedded debugging tools

Job description

Re:Build Fikst, part of Re:Build Manufacturing, is seeking an experienced embedded systems engineer to drive firmware modules from concept to production. You will bridge internal hardware teams and clients, writing and testing software for actuators, sensors, and system states on physical hardware.

The role requires 5–10 years of industry experience, strong C/C++ skills, and hands-on hardware debugging in regulated or complex environments.