To add a new recruitment go to the 'Recruitments' section in the main menu on the left side. Then click on the red button in the right bottom corner.
In the first step you will have to select a proper workflow for your recruitment. You can find some information about workflow here. When you select a workflow click on the 'Next step' button.
In the second step fill in all the necessary information and click on 'Next step' button.
In the third step you select people who will be responsible for this recruitment. You will be already selected but you can add other users as well. In this step you can also add tags to your recruitment. They can be helpful if you are using 'Suggested candidates' section in the recruitment. You can also add tags later.
After you select responsible persons and optionally tags for the recruitment click on 'Save'. You recruitment should appear on the list of recruitments.