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 market data.) This role offers a competitive Bonus plan that will take into account individual, group, and corporate performance. This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us
Johnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law. To view more information about your equal opportunity and non-discrimination rights as a candidate, visit EEO is the Law. If you are an individual with a disability and you require an accommodation during the application process, please visit here.
Skills Required
- US citizenship and/or permanent residency in the United States
- 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
- Experience with Zephyr or other real-time operating systems
- Experience with board bring-up, hardware diagnostics, and embedded debugging
- Familiarity with ARM- or NXP-based embedded platforms
- Experience using JTAG debuggers, oscilloscopes, or logic analyzers
- Exposure to Bluetooth, cybersecurity technologies, or connected devices
- Experience working in an Agile development environment
Johnson Controls Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Johnson Controls and has not been reviewed or approved by Johnson Controls.
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Retirement Support — Retirement support is positioned as a meaningful part of the package through employer 401(k) matching, repeatedly framed as a strong pillar of the overall rewards mix. The matching contribution is described with specific match levels in multiple places, reinforcing perceived value for long-term saving.
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Leave & Time Off Breadth — Time off is presented as comparatively robust, with multiple paid holiday categories, vacation time, and sick time described as generous or “amazing” in places. Paid time off breadth appears to be a consistent contributor to total rewards attractiveness beyond base pay.
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Flexible Benefits — Benefits are described as broad and customizable, spanning standard medical/dental/vision plus optional add-ons like pet insurance, identity protection, and legal support. Tuition reimbursement is repeatedly highlighted as a high-value option supporting professional development.
Johnson Controls Insights
What We Do
At Johnson Controls, we transform the environments where people live, work, learn and play. From optimizing building performance to improving safety and enhancing comfort, we drive the outcomes that matter most. Dedicated to protecting the environment, we deliver our promise in industries such as healthcare, education, data centers and manufacturing. With a global team of 100,000 experts in more than 150 countries and over 130 years of innovation, we are the power behind our customers’ mission. Our leading portfolio of building technology and solutions includes some of the most trusted names in the industry, such as Tyco®, York®, Metasys®, Ruskin®, Titus®, Frick®, Penn®, Sabroe®, Simplex®, Ansul® and Grinnell®.
