Abstract: In certain aspects, the invention features a system that includes a number of grid-cluster schedulers, wherein each grid-cluster scheduler has software in communication with a number of computing resources, wherein each of the computing resources has an availability, and wherein the grid-cluster scheduler is configured to obtain a quantity of said computing resources as well as the availability and to allocate work for a client application to one or more of the computing resources based on the quantity and availability of the computing resources. In such aspects, the system further includes a meta-scheduler in communication with the grid-cluster schedulers, wherein the meta-scheduler is configured to direct work dynamically for one or more client applications to at least one of the grid-cluster schedulers based at least in part on data from each of the grid-cluster schedulers.