As someone in the STEM field. I think one of the main challenges are that it's not a cookie cutter or redudant job. The challenge and bonus are that you get to be creative. There's always room to be innnovative and think of outside of the box. I find that in the STEM field one day is different from the next. There is a lot of problem solving solutions. If you like fixing problems or finding unique solutions. This would be a great field for you.
Best of luck to you