Check here the list of accessible courses after the 12th you can pick. Pick the best course, on the list to seek after your profession after the 12th. Telecom tower Technician, Safety Operator, Documentation Assistant... A Tower Technician specializes in the installation, maintenance, and repair of electronic equipment on a cell site tower. Tower Technicians are the heart of our wireless infrastructure. Whenever your phone signal is weak, there may already be a Tower Tech at the top of a cell tower performing maintenance and repair to improve that connectivity. These Technicians improve the performance of television, radio, and wireless communication services.