Strong customer service & people skills is a must!
Ability to remain calm, steady and focused under pressure as well as reassure your customer you can resolve their problem.
Ability to “think on your feet” and exercise logical & critical thinking. You are solving problems. If you can take what you know and apply it to something never encountered before and are able to fix that unknown, this career might be for you.
During a technical interview, you would be expected to demonstrate your problem solving skills with a series of questions and scenarios you have to think thru to solve.