Complex sentence: What once used to be training for the academic profession and open by a minor assemblage of individuals absorbed in research has become a platform to some job entry positions and forcing individual pushed for more advanced degrees in order to be considered for some positions.
Split into simpler sentences: What once used to be training for the academic profession and open by a minor assemblage of individuals absorbed in research has become a bench-mark for some job entry positions. It is also forcing individuals to push for more advanced degrees in order to be considered for some positions.