f-damodio
Do you mean the Alerts for those new Tickets or prevent them from seeing such Tickets? If you want to disable Alerts then simply disable the Admin Email option for New Ticket Alerts under Admin Panel > Settings > Tickets > Alerts & Notices. If you want to prevent them from seeing such Tickets then simply remove the Admin from the Ticket's Department. Ticket access is based on Department access, Referral access, and direct Assignment access.
Cheers.