Building Fire Alarm Systems Technicians work with fire detection systems including smoke detectors, heat sensors, alarm panels, and notification systems. They use installation tools, testing equipment, and control panels to ensure proper functioning. Responsibilities include installation, testing, troubleshooting, and maintenance. Work environments include commercial buildings, industrial facilities, and construction sites. They follow fire safety standards and regulations. Their role ensures early fire detection, enhances safety, and supports emergency response systems, making them essential in building safety infrastructure globally.