Electronic Systems Technicians (ESTs) represent a growing sector of highly skilled labor that is in demand worldwide. The labor pool's need for ESTs is increasing faster than the availablilty of qualified applicants, making this field an attractive career choice for workers seeking high earnings and career advancement in an expanding profession. Electronic Systems Technicians are skilled in a variety of areas, and they work in both residential and commercial settings. They are tasked with installing lighting, telecommunications equipment, and security systems. Electronic Systems Technicians also install remote monitoring systems in commercial applications and can retrofit current systems with modernized remote monitoring technology. - To the trainee.