Depending on the business, IT Support professionals can be either hands-on or offer helpdesk services during business hours. These professionals understand technology, know how to fix problems, and often follow a tiered system. The higher the level, the more expertise needed to solve the problem. IT support personnel should be knowledgeable about all aspects of computer operations and have strong communication skills. They should also be able to manage their time, schedule appointments, and work on multiple projects at once.