Ok Part time job, not a career.
The job is not mentally taxing, you unload and sort boxes up to 2000 per night in a 5-hour time frame. The job tends to be physically demanding with some breaks between the physical exertion.
One of the worst parts of the job is the dirt. You arrive clean and you leave with a grey film on your skin. Another is the laughable "training" that happens there, though my Supervisor seemed to be aware of that fact and created various training aids to help. He seemed to care a great deal about staff morale and I know he quite often went to bat for us for fair treatment, like a shift premium for the night shift. He even ended up arguing with the CEO of the company himself for the premium, which we managed to get. He is leaving the company out of frustration and the quality of management will go downhill again probably.
The general workplace culture is absentee management, except when a mistake is made, then you can expect a call from the Terminal Manager telling you that you had screwed up. Most of the people that work there have no other place to go and as a result, tend to stay there out of desperation.
Poor management, dirt.