Senior Electronics Engineer – Fire & Security Systems
Location: Sunbury-on-Thames (TW16) | Hybrid: 3 days onsite, 2 days WFH
Industry: Security & Fire Safety Technology
Why Join Us?
* Competitive salary + 7% matched pension
* 25 days holiday + sick pay
* Hybrid working (2 days WFH)
* Private medical insurance & life assurance
* Extensive training and development resources
* Employee assistance program & wellbeing support
* On-site restaurant, free coffee, and the occasional cake!
* Friendly team culture with social clubs (badminton, 5-a-side football)
* Free parking & great transport links (M3 Jct 1, Sunbury/Kempton Park stations)
What you will do
Shape the Future of Security Technology with Johnson Controls
At Johnson Controls, we’re redefining how the world stays safe. As a global leader in smart, sustainable building and security solutions, we’re on a mission to protect what matters most—people, assets, and environments. Our cutting-edge fire and security systems are trusted worldwide, and we’re looking for experienced Electronics Engineers who are ready to make a real impact.
If you’ve worked in the security or fire safety industry, and you’re passionate about designing high-reliability electronics for life-saving systems, this is your opportunity to innovate at scale.
How you will do it
As a Senior Electronics Engineer, you’ll play a key role in the design and development of advanced electronic hardware for our next-generation safety and security products. You will:
* Design robust analogue and digital circuits for mission-critical applications.
* Lead product qualification through rigorous testing and compliance processes.
* Collaborate with cross-functional teams including Software, Mechanical, Product Management, and Manufacturing.
* Support new product introduction and continuous improvement of existing systems.
* Provide expert-level support to field teams and engage with suppliers and regulatory bodies.
* Stay ahead of industry trends and contribute to innovation in secure electronics design.
* Optionally lead small-scale projects and mentor junior engineers.
What we look for
Essential:
* Proven experience in electronics design within the security, fire, or safety systems industry.
* Strong background in digital/microcontroller and analogue circuit design.
* Familiarity with compliance standards, EMC testing, and product certification.
* Excellent communication and collaboration skills.
Desirable:
* Experience with Field Bus, communication protocols, or Hazardous Area applications.
* Knowledge of SPICE simulation, programmable logic (FPGAs, CPLDs), or embedded software.
* Understanding of international standards and type testing.
* Project leadership or mentoring experience.
Ready to Make a Difference?
Join a global leader where your work directly contributes to safer environments across the world. If you’re an experienced electronics engineer with a background in security systems, we want to hear from you.
Apply now and help us build the future of secure, smart technology.
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