Can you rephrase this in a formal way?

Question

saying that if I am realistic in my expectations and prepared to put the groundwork in, such job change may end up being the best thing I have ever done.

Answer 1

I feel as though, I am prepared, and ready to take on this new and exciting challenge, and that all expectations will be met, I am confident and secure about the work that is ahead of me.

Answer 2

Given reasonable time for preparation and realistic goals, I expect the change in jobs to be most advantageous.