computer scientists
maybe engineers
I think the key is feeling like you've built something, created something, helped close a deal that brought in $$$ etc. Pure administrative/back office type work is suicide inducing.(http://www.autoadmit.com/thread.php?thread_id=3564780&forum_id=2#32921552)
That's all I've got. (http://www.autoadmit.com/thread.php?thread_id=3564780&forum_id=2#32922153)