This book constitutes the revised papers of the 15th International Workshop on Job Scheduling Strategies for Parallel Processing, JSSPP 2010, which was held in Atlanta, GA, USA, in April 2010.The 12 revised papers presented were carefully reviewed and selected from 18 submissions. The papersshow a prolific growth in the areas of applicability for parallel scheduling and discuss more recent problems and applications, such as virtualized environments, many-core processors, DNA sequencing, and hadoop.