Graphics Designer for Web Design

United States company seeking a highly skilled graphics designer to work 10 hours per week with opportunities for more. The 10 hours will be approximately 2 hours a day and at your convenience. I need a graphics designer that understands CURRENT web design and user experience. This includes mobile. You will get specs and we'll have a back and forth of mockups with refinements until a clean psd for is needed for the developers. Obviously, you must be good at logos as well. Finally, at times I will not have enough graphics work for the 10 hours a week and since I'm paying, I will request of you to do work outside the scope of graphics design work. That work will vary, but be well within your skillset. If you must only do graphics design work, this job will not be a good fit for you. Thanks.