first and most important point that you qualify yourself for this by
1 - skills development
2 - many of the courses relevant to the job of your dreams
3 - specialized scientific study to become a specialist in your field
4 - have sufficient experience
5 - apply for a job in companies that wish to work
Dreaming is just the beginning of the manifestation process. Once you already know what you want, visualize yourself and already enjoying whatever it is that you want, and everything will follows.. Just Love what you do and work for it you can find what you dream for.....