Work Environment: Exposure to weather, extreme heat or cold, high noise intensity level, atmospheric conditions, exposure to electrical shock, exposure to toxic or caustic chemicals, wet and/or humid, vibration, proximity to moving mechanical parts, working high exposure places. 3 + years’ experience installing and/or testing, inspecting, and performing minor repairs on a variety of fire alarm systems or a combination of education and experience sufficient to successfully perform the essential functions of the job.