I deeply question if the author even exists as an staffer in the White House.
If the author does exist then it is some low level White House staffer who has a minor position and is inventing fiction to overstate their role.
We will wait to see how this plays out. In a situation like this if the author is anyone in the White House they will be discovered, identified and terminated within a couple of weeks.
The post shows exactly why it does not matter who the person is. Was listening to Alex Marlow at Breitbart this morning and every caller was saying it is a fake source (stage 1)
Stage One: it is a fake source
Stage Two: even if it is real it is low level
Stage There (assuming if we get there and name revealed of higher ranking official): It does not matter because he/she holds the grudge and obviously lying.
Stage Four (infinity stage): Trump is still my beloved leader and Hillary belongs in jail over emails.
