To log in to the Wellstar SmartSquare employment portal, go to the website https://wellstarsmartsquarelogin.com/ and enter your username and password in the designated fields. Then click the "Log In" button to access your account. Hashtags: #smartsquarewellstar #wellstarsmartsquarelogin #wwwsmartsquarewellstar #wellstarsmartsquare #wellstaremployeelogin #health #healthsystem #healthiswealth #healthdepartment #healthbenefits #healthwebsite