CAREERENDING MOVE

A huge mistake or bad decision made by an employee that has big consequences. A career-ending move is a mistake so egregious that it would likely result in the loss of the employee's job and possibly end their career.

There are many different mistakes or errors that could be counted as career-ending moves. For example, an accountant that knowingly falsifies accounting numbers, if caught, will lose his/her job and likely end his/her career.