I agree that your atheist belief is based upon faith...
I don't know who you are agreeing with, but it is not me. We are talking about religious faith here, not the kind of faith or trust that I place in my dentist. I know that my dentist is not infallible. He might make a serious mistake, but I trust that most of the time all will go well on my visits. I also know that my views on evolution, for example, are open to modification. I do not have locked-in beliefs, in fact I fully expect changes and revisions and even completely new discoveries that will require that I modify my outlook or interpretation. You, on the other hand, don't expect to modify your religious beliefs at all. You don't expect that new findings will ever require you to dump some aspect of your beliefs about God. Your faith is locked-in because it is a religious faith.
Religious Faith: strong belief in the doctrines of a religion, based on spiritual conviction rather than proof (Oxford Dictionary of English).
You have asserted that my atheism is a type of faith; however, I also believe Zeus and Quetzicotal do not exist. Is that also something I believe on faith? How would you judge my belief that leprechauns do not exist? Is that a faith? I know you do not believe in Santa Claus, is that a type of faith? Where does it end? It gets a little meaningless after a while, doesn’t it?
If you believed Anubis existed, I would say you had a faith in Anubis; but if you said Anubis does not exist, I really would hesitate to call that a faith. A person who believes in the existence of a supernatural being can be said to hold the belief on faith. A person who rejects a belief in the same supernatural being because he can find no evidence for its existence does not reject the belief on faith. Belief is rejected simply because no corroborating evidence is at hand.
I understand why you want to call atheism a faith. It is because the existence of God seems so obvious to you that you think someone who doesn’t believe must be ignoring the evidence. At least I think this is at the heart of it. You will correct me if I am wrong.
I will end with Hebrews 11:1 – “And what is faith? Faith gives substance to our hopes, and makes us certain of realities we do not see.” The problem is, if we can’t see a specific reality then for all we know we are simply imagining it. There is enough disagreement in Christian theology to make it clear religious truth is not as obvious as some believers would have us believe. For us atheists, on the other hand, the simple absence of belief leaves little for us to quarrel about.