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Johnson Controls

Senior Electronics Engineer

Sorry, this job was removed at 06:09 p.m. (GMT) on Monday, Oct 20, 2025
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In-Office
Sunbury-on-Thames, Spelthorne, Surrey, England
In-Office
Sunbury-on-Thames, Spelthorne, Surrey, England

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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.

#AVRIL

#LI-Hybrid

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