ITT Tech, a technical training school that offers classes both at their campuses nationwide and online. It has available an online electronic systems technician certificate. An electronics systems technician is a highly specialized training program that allows you to work with large systems including such things as power plants, to very small and complex systems like computer hardware and software. You are able to tailor your education based on your interests and your career goals. Having online courses makes it easy to return to school while still working full-time. Classes are available at your pace, and on your own time schedule.