INSTALLING, CONFIGURING AND MAINTAINING SOFTWARE AND HARDWARE COMPONENTS OF COMPUTER AND NETWORK SYSTEMS. OPERATES AND MAINTAIN COMPUTER SYSTEMS AND NETWORKS TO ENSURE THAT THE CONCERNED PEOPLE GET THE MOST EFFECTIVE IT FUNCTIONALITY DIAGNOSING AND TROUBLESHOOTING SOFTWARE AND HARDWARE ISSUES. REPAIRING AND REPLACING DAMAGED COPUTER AND NETWORK COMPONENTS, AND CAN DO OTHER RELATED WORKS.