Agreed that it's not nearly as easy finding a remote sys admin job as it is software development. On https://www.wfh.io, we currently have 20 active sys admin jobs versus 197 software development. I'm actually seeing this increase slightly though, so hopefully as more businesses adopt full time remotes we'll see this number increase. Our sys admin jobs FYI:
https://www.wfh.io/categories/2-system-administration/jobs