Shortly after 1967 and more starting mid 1974 the start of Build your own Home program had seen at the height 300,000 Gazans crossing daily and at least 200000 from West bank found job mainly in Jerusalem ares construction of Israeli settlements and less inside Israel.
Palestinian terrorists gaza went down to 20,000 permits which should be now shut down for at least a generation. West bank too should lose most of the job to peace loving foreign workers.
The bottom line no need to worry about employment in Israel. There will be none