A high performance computing environment includes a plurality of computing resources, a plurality of tenant clouds organized from the plurality of computing resources, and an Infrastructure as a Service resource manager. The Infrastructure as a Service resource manager further includes a plurality of Infrastructure as a Service system interfaces and a portal. In operation, a cloud user interacts over a secure link and through the portal with the Infrastructure as a Service system interfaces to perform cloud tasks relative to a particular one of a plurality of tenant clouds of the high performance computing environment.