Get an engineering degree from a university.

You must spread some Reputation around before giving it to NeedKarma again

It's a simple concept really. Your degree will be the basis of your knowledge while hands on experience will be the deciding factor. Are you currently knowledgeable about this sort of stuff?

How old are you?

You need to obtain a engineering degree from a reputed institute, Experience it can be done by doing hardware engineering, software engineer etc..