Linux Firmware Engineer

Johnson Controls, Inc.; Westford (MA); On-site; USD 79,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits package

Job summary

Johnson Controls, Inc. in Westford, MA is seeking an Embedded Linux Firmware Engineer to join the Software House engineering team. You will design, develop, test, and maintain embedded firmware for access control solutions, collaborating across firmware, hardware, and software teams.

Develop using C/C++ on Embedded Linux and Zephyr RTOS, perform board bring-up, and help debug with JTAG and oscilloscopes. Salary range is $79,000–$110,000 with a comprehensive benefits package.

Qualifications

• 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

Responsibilities

• 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

Skills

C/C++

Embedded Linux

Debugging

Education

Bachelor's degree in Computer Science/Engineering

Tools

Buildroot

U-Boot

Linux drivers

JTAG

Oscilloscope

Logic analyzers

Zephyr RTOS

Job description

Build your best future with Johnson Controls

As a global leader in smart, healthy, and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places, and the planet. Join a winning team that enables you to build your best future. Our teams are uniquely positioned to support a wide range of industries across the globe while providing opportunities to grow through meaningful work, innovation, and continuous learning.

Become part of the Johnson Controls family and thrive in a collaborative environment where your ideas matter and your contributions help shape the future of intelligent building technologies.

What We Offer

• Competitive salary

• Paid vacation, holidays, and sick time

• Comprehensive benefits package including 401(k), pension, medical, dental, and vision coverage

• Career development and training opportunities

• Collaborative and innovative team environment

• Commitment to safety through our Zero Harm culture

• Opportunity to work on industry-leading access control and security technologies

This is an Onsite position in Westford, MA.

What You Will Do

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

Required Qualifications

• 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

HIRING SALARY RANGE: $79,000 - $110,000 (salary to be determined by the education, experience,knowledge, skills, and abilities of the applicant, internal equity, and alignment with marketdata.) This role offers a competitive Bonus plan that will take into account individual, group,and corporate performance. This position includes a competitive benefits package. Theposted salary range reflects the target compensation for this role. However, we recognizethat exceptional candidates may bring unique skills and experiences that exceed the typicalprofile. If you believe your background warrants consideration beyond the stated range, weencourage you to apply. To support an efficient and fair hiring process, we may usetechnology assisted tools, including artificial intelligence (AI), to help identify and evaluatecandidates. All hiring decisions are ultimately made by human reviewers. For details, pleasevisit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us