https://www.minnesotasportsfan.com/minnesota-vikings/additional-gm-candidates-interviews-reports/

I still prefer Brez.
But if they do hire from elsewhere,
My vote would be:
Chad Alexander
---or---
John McKay.

Both have bios in the linked article.

Fyi- if its a promotion, and a minority hire.
The hiring team is supposed to receive a comp pick.