A poorly done job characterized by careless, half assed workmanship, and just downright incorrect use of materials. Commonly used in reference to plumbing work and frequently cited by professional plumbers evaluating work that has been done by somebody else.
Bill sure did a shoemaker's job when he put that hot water heater in.
An employer announces that there will be layoffs, and staff will learn who is affected at some undefined point in the future, leaving them simultaneously employed and unemployed indefinitely.
"Budget cuts announced. I have Schrödinger's Job until my employer reports who is getting laid off."