Assuming that they have listed down what they wanted in their dream job:
They still have to ensure that their internal values and the company's values are aligned. If you want to know your values, you can check out this link. It's . podcast with downloaded worksheets to help you determine your values.
Of course, there are still other elements in getting that dream job, and the truth is, only 1% of the world's population are fortunate enough to find their dream job. The other 99%? They have to align themselves to make their jobs, their dream jobs.