Principal Electronics Engineer
Architecture & Engineering (Physical)Posted 19 Aug 2026
Advertised as “Principal Electronics Engineer (onsite)”
Posted 19 Aug 2026
Advertised as “Principal Electronics Engineer (onsite)”
The original posting with the fluff stripped out
| Base salary | US$130,000 – US$150,000 / yr |
|---|
CertificationsBachelor’s Degree in Electrical or Electronic Engineering
About Johnson Controls
Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.
For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.
Visit johnsoncontrols.com for more information and follow @Johnsoncontrols on social platforms.
What you will do
Johnson Controls is searching for a Principal Electronics Engineer to be located at the R&D facility in Westford, MA. In this role you will be responsible for designing electronic analog & digital hardware for new fire alarm products as well as supporting existing product lines. Work may include analog design, embedded system designs, small signal and instrumentation circuitry, switch mode power supplies, front panel user interfaces, audio amplifiers, peer-to-peer networking, linear power supplies, sensors and detectors, and fiber optics. In addition, research new technology that can be used within these products.
This position is based in Westford, MA. Candidates must be commuting distance to the office, or able to relocate. Various relocation packages are available. Only US Citizens and/or Permanent Residents will be considered. Sponsorship is not available.
How you will do it
Work on analog and digital design and analysis
Work on microcontroller and embedded system design
Work with other organizations to conceive, develop, and release new products to production
Work in a team environment to generate creative solutions to product needs
Possibly lead small cross-functional teams of less senior engineers (typ. electrical & mechanical), being responsible for costing, scheduling, and meeting design requirements
Work closely with Product Management to determine product specifications
Understand how to design equipment to meet agency certifications (UL, ULC, CE, FCC)
What you will need
Required
Minimum Bachelor’s Degree in Electrical or Electronic Engineering
8+ years of experience in electronics design related to analog, power, audio, or embedded products/systems
Low-current analog design
Electronic component-level knowledge and experience
Experience with electronic CAD (schematic capture, circuit simulation, or related)
Experience transitioning products to manufacturing
US Citizens and/or Permanent Resident of the United States
Preferred
Power supply design, microprocessors and embedded system design
Experience with Data Acquisition systems and lab equipment automation
Mechanical design support experience
Experience with optics/physics
Fire Detection product industry experience
HIRING SALARY RANGE: $130,000 - $150,000 (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
#LI-ONSITE
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.