Sustaining Electrical Engineer

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 datacenters, 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.

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Johnson Controls is hiring! As a Sustaining Electrical Engineer, you’ll focus on maintaining and enhancing existing fire detection hardware – including control panels, detectors, and notification devices. Your work will help ensure long-term product reliability, regulatory compliance, and customer satisfaction.

This is a hybrid position based at our Fire Detection Engineering facility in Westford, MA. Candidates must be commuting distance to the office, or able to relocate. Various relocation packages are available.

• Analyze and resolve hardware issues in existing products
• Collaborate with global engineering, customer support, and compliance teams
• Implement design improvements and cost optimizations
• Support product lifecycle activities, including component obsolescence and redesigns
• Maintain documentation and ensure alignment with regulatory standards

• Bachelor's degree in Electrical Engineering or Electronics Engineering
• 3+ years experience in embedded hardware design and troubleshooting
• Proficiency with debugging tools (oscilloscope, logic analyzer)

• Experience with low-power analog circuit design
• Knowledge of AC/DC and DC/DC converters
• Familiarity with microcontrollers and embedded systems

$85,000 - $125,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) 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. 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