Why yes they do. They built a new complex not far from Salt Lake city just for that job.
“They built a new complex not far from Salt Lake city just for that job”
They have a few dozen of them around the country.
Under Google images search "NSA Utah data center" You will be shocked at the size and scope and truthfully its bigger in person. Half is underground too. I thought it was some kind of super max prison when I saw it with all the 20 foot fences and triple row concertina wire, guard houses and entry control.
Its adjacent to the Utah National Guard training site.