These are offered through the University of Virginia. More information can be found here.
These courses are offered for the duration of a week. The High Performance Computing Bootcamp (HPC Bootcamp) is an example of one of the workshop courses UVACSE offers. For more information about short courses, follow this link.
These courses are open to all UVA students, faculty, and staff and there is no cost to attend and usually last a few weeks. For more information about short courses, follow this link.