First, scroll to the settings tab and select company/engineer.
A new form will pop up. At the bottom, there will be a section which allows you to fill in details about an engineer that you want to add. (alternatively, if there are already engineers on the device you can click them on the list on the right-hand side of the screen and modify them).
When you have finished entering details on the form hit the save button and then the new engineer or the new details added to your modified engineer will be saved in the software's database.