The duties of a tower technician revolve around the maintenance, rigging, and installation of equipment located on the top of towers. Your responsibilities may vary depending on the industry in which you work; you may work on cell phone towers, maintain antennas, or install wireless equipment. Electrical service providers and companies in the construction industry may hire tower technicians or tower riggers to repair electrical cable or set up and maintain construction equipment on towers or cranes. The required skills may differ, but a tower technician works in the field and must be comfortable with heights.