Devices, systems and methods for authenticating a user of an intelligent electronic device (IED) using dual factor authentication is provided. The present disclosure provides for receiving user credentials at an IED, determining a user and a preferred mode of communication based on the user credentials, sending a code to the user via the preferred mode of communication and receiving the code entered at the IED. Upon matching the generated code to the received code, access is granted to features of the IED. Additionally, the present disclosure provides for receiving user credentials at a remote server, determining a user and a preferred mode of communication based on the user credentials, sending a code to the user via the preferred mode of communication, receiving the code entered at the remote server, and providing remote access via a network to an IED by authenticating a user remotely.