Looking for Webmaster

We have a website which is about to be launched. It is a simple e commerce website selling Podcasts. Their is still some modifications (like to change contents ...) before launching. So we are looking for a webmaster that can help us for those small modification and then totally manage the website (other modifications, solve issue that will arise....). Other projects will coming soon. You will be more a partner than an employee. What is more important : 1) integrety 2) reply and solve problem quickly Please advise in your bid how you will handle this relation. I mean pay "on task" basis or anything else. Tell us what is the more effective/comvenient considering your experience. Thanks for your bid !! jeremy