https://study.com/articles/IT_Support_Technician

IT support technicians offer support to users who are experiencing problems with their computers or software. Support can be provided in person, over the phone or online. They address issues ranging from network systems to individual desktop computers.

IT support technicians can work for computer software or hardware companies, assisting customers with products. More generally, IT support technicians can work in a company’s IT department, providing computer support internally to company employees. These technicians are responsible for maintaining the company’s computer services and equipment. Their duties can include troubleshooting to detect and solve technical problems, installing or updating required hardware and software and recommending computer products or equipment to improve company productivity.

https://study.com/articles/IT_Support_Technician