Pros
A challenging and highly competitive work environment that forces you to think outside of the box to solve problems. If you're a hard worker this compnay is for you. When I say hard worker I mean it. If you don't have some blue collar blood in you then you won't make in this environment no matter what side of the workforce you're on (management or union). UPS offers good pay and benefits, the opportunity to advance to higher positions within the company to create a fulfilling career, and you can't beat the job security. If you reach fulltime status in this company and can pull your weight you'll have a good secure job for the rest of your life.
Cons
You'll work more hours then you ever have anywhere else and those hours won't be spent at a desk. The environment can be hectic as the entire operation obviously runs to meet strict deadlines and operational goals need to be met daily. Some people find the high pressure too stressful. That's all up to the individual and it comes down to what your made of. Biggest con is that even though there is opportunity to advance it takes forever to do so. Way to long to get full time status within the compnay and upper management have a habit of leaving promotional candidates floating in purgatory for months and sometime years before they finally promote.