Only twice in the Hebrew Bible does Satan appear as a specific figure, as HaSatan — the Satan. One is a brief reference in the
Book of Zecharia, where the high priest is described as standing before a divine angel while Satan stands at his right to accuse him. The other is in the
Book of Job, where Satan has a central role in the story as an angel in the divine court.
....
Some of these Christian ideas are echoed in Jewish tradition, but some also point to fundamental differences — most notably perhaps the idea that, in the Hebrew Bible at least, Satan is ultimately subordinate to God, carrying out his purpose on earth.