Wordpress Expert Required

An established Website development company is looking to focus on offering websites built on the top opensource platforms; with a particular emphasis on wordpress, we are seeking a freelancer who can assist us with certain ongoing tasks such as: Installing Plugins/Modules/Scripts Setting up ecommerce options Troubleshooting General Support Ideal candidate would have a good knowledge of PHP, Javascript, Ajax, Jquery and MQSQL. and also be familiar with cpanel. Initial task will be to setup and configure [login to view URL] on 3 different websites powered by Wordpress. Also add a members only area on another website controlled by wordpress perhaps again using a plugin like wp members or another similar option.. I will also need you to be available via email within a reasonable timescale to fulfill requests into the future, 12 hrs will be fine..... Longterm ongoing Project for the correct candidate. NO Agencies of middlemen required, I only want to deal with an individual. PLEASE NOTE******************************************** Also important please indicate your typical hourly rate in US Dollars so that we can establish what our costs will be in the future.