No is the answer I get from the folks I know, there is a condition, you must believe in YHWH and keep the commandments that apply to you. Of course the many orthodox believe one needs to convert to Judaism. Thing is at the end of the age whether the orthodox or anyone else wants to believe God is going to bring all of His children the whole of Israel back together. I would suggest if you are interested in knowing what Judaism believes go to Judiasm 101 or other sites like that. Personally I think Judaism is not what Yeshua endorsed but then again I don't believe He came to start anything new but to restore His children to the right ways.
A few more questions...if Yashua doesn't endorse judaism....what does He endorse??
By His children, who do you mean exactly??
And finally, what are the " right ways " you speak of ??