working in qatar

Greetings!. i met with an agent who is my very close friend. he is currently precessing a job for me in qatar, and according to the agreement letter i read. i am going as an unskilled immigrant, though i have a level two certificate in london city and guide in authomation engineering. and also the said company would be responsible for my flight ticket  and also be responsible for my accomodation and transportation to work. and the pay was also indicated. i would please want  some  advise if that is really genuine, cos its really gonna be faustrating getting there without doing  nothing.and if it is genuie. how do i know  it is? and how will the visa look like? please i need an urgent reply. thanks.....