Yes, you can accomplish this by creating and assigning roles to individual users. You can also create role groups and group by user role.
Click on "admin" while you are logged into the site as an admin. You will be taken to the admin page. There you will see an icon for "security roles". Click on it and you will be taken to the security roles of the admin section. Hover over the "manage" button. You will see the option to "add new role", or "add new role group".