• Good knowledge of Microsoft operating systems - Windows 98 / Me / 2000 / XP / Vista / 7; • Sufficient domain of the Office productivity suite from Microsoft - 97/2000/2003/2007/2010/365; • authorized technician business management software Eticadata Software; • use of tools for detection and removal of viruses, spyware, trojan's, etc; • test, troubleshoot hardware; • Backup and images optimized computers;