Jobs
Benefits & Perks
•Remote Work
•Flexible Hours
•Pension
•Life Insurance
•Free Meals
•Remote Work
•Flexible Hours
•Meals
Required Skills
Embedded hardware troubleshooting
Debugging tools
Support the Reliability of Life-Saving Technology!
Join our R&D team in Brno and play a key role in sustaining the performance and quality of fire alarm hardware used in buildings worldwide. This is your chance to work in a truly global environment, collaborating with international teams to keep our products robust, compliant, and continuously improving.
What We Offer
- Competitive Compensation: Motivating salary, quarterly 13th salary, and annual 14th salary bonus
- Flexibility: Home office options based on project needs
- Great Benefits: Cafeteria allowance (18,000 CZK/year), meal vouchers, pension and life insurance contributions
- Modern Workplace: Impactful projects in a global technology company with state-of-the-art facilities
Your Impact
As a Hardware Sustaining Engineer, you’ll maintain and enhance existing fire detection hardware — including control panels, detectors, and notification devices. Your work ensures long-term reliability, regulatory compliance, and customer trust.
Key Responsibilities
- 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 (component obsolescence, redesigns)
- Maintain documentation and ensure regulatory alignment
What You Bring
- Degree in Electrical Engineering
- Experience in embedded hardware troubleshooting
- Strong communication and organizational skills
- Proficiency with debugging tools (oscilloscope, logic analyzer)
Preferred Skills
- Low-power analog circuit design
- Knowledge of AC/DC and DC/DC converters
- Familiarity with microcontrollers and embedded systems
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About Johnson Controls

Johnson Controls
Series BMaking buildings smarter.
Cork
Headquarters
Reviews
3.7
42 reviews
Work Life Balance
3.7
Compensation
4.0
Culture
3.9
Career
3.6
Management
3.6
74%
Recommend to a Friend
Pros
Good work-life balance and flexible environment
Competitive compensation and benefits
Opportunity for career growth
Cons
Work-life balance varies by team
Room for improvement in processes
Internal communication could improve
Salary Ranges
920 data points
Junior/L3
Junior/L3 · Data Scientist
0 reports
$128,000
total / year
Base
$128,000
Stock
-
Bonus
-
$108,800
$147,200
Interview Experience
5 interviews
Difficulty
2.2
/ 5
Duration
14-28 weeks
Offer Rate
20%
Experience
Positive 40%
Neutral 40%
Negative 20%
Interview Process
1
Application Review
2
HR Screen
3
Technical/Aptitude Assessment
4
Hiring Manager Interview
5
Onsite/Virtual Interview
6
Offer
Common Questions
Behavioral/STAR
Technical Knowledge
Past Experience
Culture Fit
Role-Specific Skills
News & Buzz
Johnson Controls International plc (NYSE:JCI) Short Interest Down 28.0% in January - MarketBeat
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Johnson Controls Named to the Fortune World's Most Admired Companies 2026 List - Yahoo Finance
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5w ago
Johnson Controls International plc $JCI Shares Acquired by New York State Common Retirement Fund - MarketBeat
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News
·
5w ago