A resource allocation system of an enterprise is disclosed for allocating resources for a work request in an enterprise. The resource allocation system includes a monitor module configured to monitor the work request and availability of the resources in the enterprise, wherein the work request is characterized by one or more attributes. The resource allocation system further includes a resource matching module configured to match the attributes of the work request with the resources to determine one or more first type and second type of resources. The resource allocation system further includes an assignment module configured to assign the first type of resources to the work request while the second type of resources are unavailable, and re-assign the second type of resources to the work request when the second type of resources become available.