Ask HN: What are your thoughts about consulting agencies (CS major)?

I will be graduating in Electrical Engineering and minor in Computer Science next year. I know as an foreign student there will be fewer places where I could apply for the job. I am worried nevertheless. But my friend (who is foreign as well and will be graduating in CS) is not worried at all. He says he will go to the consulting agencies (like elocus technologies , walkwater technologies http://www.e-walkwater.com/careerswork_at_walkwater.php) and they will train him for few weeks and give you the job. He knows they will not pay him enough but he says it is better than nothing. How reliable is consulting agencies and is it that easy to get a job through them ? I would really appreciate the opinions of fellow HN users.