Oak Ridge National Lab in Tennessee is seeking a Performance Engineer in our Job of the Week. “We are seeking to build a team of Performance Engineers who will serve as liaisons between the National Center for Computational Sciences (NCCS) and the users of the NCCS leadership computing resources, particularly Exascale Computing Project application development teams and will collaborate with the ECP application teams as they ready their software applications for the OLCF Exascale computer Frontier. These positions reside in the Scientific Computing Group in the National Center for Computational Sciences at Oak Ridge National Laboratory.