I have been supporting Windows, Linux, and Mac systems since the late 90's. I have engineered, reverse engineered, updated, implemented, and done break fix support for environments ranging from offices of less than 10 people to large international organizations with more than 8000 servers. My rate is based on your organizations size, with discounts for small business' and non-profits, and the work requested. In most cases I will provide a flat rate price for the scope of work.