Pros
free lunch, trainings , possibility to travel at the customers, most of the peaople have good experience and you can find some excellent guys who knows technology but are very rare to find, sometimes you get to work from home
Cons
work life ballance is pretty bad, work 90% of the time more then 9h each day even more - come back home tired; managment takes decission real slow and is a long process for tiny things, you spend a lot of time in the ISP internal system to enter your time and expences and is a long process, a lot of wasted time on administrative tasks that you do on your own time - that time is lost instead of learning something new or do the job; salary is not that good is averange or bellow market; promotions are rare;per diem is small in some counties - it needs to be adjusted