A computer hardware technician maintains and repairs computer hardware, such as routers, servers, desktops, and laptops. As a computer hardware technician, you may work in a shop, or you may travel to various offices or home residences to assist with repairs. Other responsibilities may include troubleshooting hardware problems over the phone to diagnose and fix simple issues. Some technicians may specialize in a specific brand or type of technology, while others may be able to work on a variety of technology brands.