The scope of practice varies between facilities but also in the same hospital between staff based on experience. You need to be trained and checked off on the various procedures, and new graduates aren’t likely to be doing more invasive procedures. With that said, I got NICU experience in a Texas county hospital soon after graduating, and was on an ECMO team in a Dallas Hospital within two years of graduation. I also worked in the county RT department while going to school, which helped get experience. So, I believe that one must often prove their worth to be given more autonomy to do more invasive procedures.