There is the regular stuff that gets you fired; this is about the dumb stuff.
First the regular stuff that causes you and your job to go different ways: position different than advertised, working relationship with boss or key clients never really worked out, company reorganization, you were too good in your role (and it scared people), you were not very good in your job (and it also scared people), somebody senior just didn’t like you, someone bought somebody else (and your job went away) or your company went out of business.… Read the rest