Reliable Long Term Editor

We are looking for an Editor, who can manage bulk editing of written work done for both the U.S and U.K targeted Audience. Editor needs to have prior experience in editing, proof reading and making grammatical error free, informative, to the point and specific articles. You have to be aware of terms like keyword, word count, keyword density and specifically SEO writing. • We have loads of editing work and looking for an Editor to have a long term Business Relationship, to whom the work would be assigned on monthly basis. • My budget is $150 for editing 600 Articles of 500 words in a month ... i.e. $0.25 per 500 words Article.... • Time completion of assigned work is crucial. • Would like to see some edited samples of your work. So, we have work load of both Writing and Editing (not your written articles) Articles.....