-Weekly Working Hours: You spend 40 hours for weeks in just 3 days onsite due to the fact that You will have problems everytime with weekly softwares releases, untested softwares and low/medium quality hardware;
-Compensation hours does not exists and all the extratime that you spend onsite (normally you will work more than 8 hours, as I said before, 40 hours in just 3 days) it is not paid.
-For sure You will have a lot of chances to work for at least 14 days consecutively without respect of your private life or mainly without respect of your mental health
-Per diems are the lowest per diems that you see in your life (compared to the others companies that work onsite with you), per diems that 90% NEVER allow you to have lunch and dinner with dignity (hoping that the company will book you a hotel with breakfast included which usually does not happen and consequently you have to pay for your breakfast with your money)
-Managers friendship could give you the chance to have a project in your hand but remember that the salary it will never be in proportion of what you do for the company, NEVER.
-Very low Operators salaries in function of the exorbitant number of remunerative contracts that they have with the various federations