Doing this on a RHEL8.10 distro.
I've created a user with staff_u role:
And provided this user elevated permissions, for which did following steps:
1. created mysudoers file: /etc/sudoers.d/mysudoers
2. added this in it: %testadm ALL=(ALL) TYPE=sysadm_t ROLE=sysadm_r ALL
Did reboot...