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)
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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What We Do
At Johnson Controls, we transform the environments where people live, work, learn and play. From optimizing building performance to improving safety and enhancing comfort, we drive the outcomes that matter most. Dedicated to protecting the environment, we deliver our promise in industries such as healthcare, education, data centers and manufacturing. With a global team of 100,000 experts in more than 150 countries and over 130 years of innovation, we are the power behind our customers’ mission.
Our leading portfolio of building technology and solutions includes some of the most trusted names in the industry, such as Tyco®, York®, Metasys®, Ruskin®, Titus®, Frick®, Penn®, Sabroe®, Simplex®, Ansul® and Grinnell®.
