A Computer Technician is a professional who is tasked with maintaining computer systems, troubleshooting errors, and repairing the organization's hardware. These professionals use their knowledge in networking and software applications to provide technical support for both employees and customers onsite or remotely. A Computer Technician, or Computer Support Technician, is responsible for maintaining computer systems within a business setting. Their duties include installing computers, routers and other hardware, updating or repairing existing systems and troubleshooting problems with hardware.