We are looking for someone who is very familiar with anti-spam work. You must a working knowledge of the various anti-spam blacklists, have a working understanding of DNS, rDNS, and ARF, and a strong ethic and understanding of what constitutes permitted mail, and what constitutes spam. If you aren't a familiar with the terms opt-in, confirmed opt-in, opt-out, snowshoe, and collateral damage, this probably isn't the gig for you.