What does Unicom's network maintenance engineer do?

Unicom's network maintenance engineers mainly carry out daily maintenance on the equipment in the computer room and solve some minor problems. Depending on your functional scope, you can also back up and switch data, mainly in the computer room. There are a lot of equipment in the computer room that is outsourced. You just need to help the people in the outsourcing company, open the door of the computer room, provide some tools and the like, and play a role of accompanying workers.