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# Linux Firmware Engineer

- **Company:** Johnson Controls
- **Location:** Westford, MA, United States
- **Experience:** Starter
- **Salary:** $79,000.0 - $110,000.0
- **Contract:** Permanent contract
- **Skills:** Board Bringup, Agile Methodology, Bluetooth, UClibc (C Standard Library), C++ (Programming Language), Computer Engineering, Software Debugging, Linux, Device Drivers, Linux on Embedded Systems, Embedded Software, Firmware, Hardware Design, Joint Test Action (IEEE Standards), Linux Kernel, Real-Time Operating Systems, Software Engineering, Information Technology, U-Boot
- **Published:** October 17, 2026
- **Apply:** https://www.careerjet.com/job/us1dbcb1e2753eca1a579238b9f4a3afa1/eaa

## About the Role

* US Citizen and/or Permanent Resident of the US.
 * Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or a related technical field

 * 1-3 years of professional experience in embedded software or firmware development

 * Experience developing software in C/C++

 * Experience working with Embedded Linux systems

 * Familiarity with Linux kernel, device drivers, Buildroot, U-Boot, or related embedded Linux technologies

 * Strong problem-solving, debugging, and communication skills

Preferred Qualifications

 * Experience with Zephyr or other real-time operating systems (RTOS)

 * Experience with board bring-up, hardware diagnostics, and embedded debugging

 * Familiarity with ARM- or NXP-based embedded platforms

 * Experience using tools such as JTAG debuggers, oscilloscopes, or logic analyzers

 * Exposure to Bluetooth, cybersecurity technologies, or connected devices

 * Experience working in an Agile development environment

## Description

As an Embedded Linux Firmware Engineer, you will join the Software House engineering team responsible for developing industry-leading physical access control solutions, including intelligent readers, controllers, and I/O modules used to secure commercial buildings and critical infrastructure worldwide.
You will contribute to the design, development, testing, and maintenance of embedded firmware running on Linux and Zephyr-based platforms. Working closely with firmware, hardware, software, and quality engineers, you will help deliver innovative and reliable products that sit at the intersection of software and hardware.
How You Will Do It

 * Design, develop, test, and maintain embedded firmware for access control panels, readers, and I/O devices

 * Develop software using C/C++ on Embedded Linux and Zephyr RTOS platforms

 * Support hardware integration, board bring-up activities, and system diagnostics

 * Modify and maintain Linux platform components including Buildroot, U-Boot, kernel drivers, and device trees

 * Debug issues across hardware and software, utilizing tools such as JTAG debuggers, oscilloscopes, and logic analyzers

 * Collaborate with cross-functional engineering teams throughout the product development lifecycle

 * Support product enhancements, sustaining engineering efforts, and field issue investigations