Senior Principal Electronics Engineer; onsite

What you will do

Johnson Controls is hiring! We are seeking a Senior Principal Electronics Engineer to develop electronic products for safety systems. You will be part of a Research & Development team in a World‑leading multi‑national organization. We are seeking a high level of technical expertise in electrical design, mechanical packaging, and project leadership in the development of hardware products, as well as a technical leader.

This position is based in Westford, MA. Candidates must be commuting distance to the facility or able to relocate. Johnson Controls offers various relocation packages.

• Lead projects: manage people, preparing and presenting project plans and proposals; then reporting on progress
• Design and review electronic circuits for safety system components
• Plan and conduct design qualification testing
• Liaise with other departments including Product Management, other R&D teams such as Software Engineers, Mechanical Designers, PCB Engineers, Technical Authors and SQA
• Liaise with Factory Production Engineering and Test Engineering to introduce products into manufacture and maintain existing products
• Liaise with other departments including Product Management, Marketing
• Maintain adequate knowledge in relevant technical development
• Provide technical support to Tech Support teams
• Liaise with suppliers and service providers, including regulatory approval organizations around the world

• 10+ years’ experience of electronic product development in an R&D environment
• Experience with digital/microcontroller hardware development
• Experience with analogue electronics design using sensors, a range of bipolar and MOSFET transistors, Op‑Amps, passive components, etc.
• 3+ years of experience leading a team and liaise with other teams, providing technical and procedural direction
• Project Management
• Bachelor's degree, ideally in electronic engineering, although other degrees would be considered if they have relevant experience

• Experience in the Fire or Security industry
• Designing to meet global regulatory product standards such as UL, BRE and VdS, including global directives, EMC standards
• Experience of design and type testing for compatibility with International Standards
• Digital and/or Analogue Simulation tools (e.g. SPICE)
• Designing with programmable logic devices: PALs, FPGAs and CPLDs
• Embedded Software development
• Electrical Safety and/or Hazardous Area Applications
• Field Bus and communication networks

HIRING SALARY RANGE: $130,000 - $180,000 (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

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.