If you want to create a new Job, go to Jobs > Pending panel and click Add new button, located in the upper-right part of the screen:
The following panel will be displayed to you:
Now, this is nothing more than to create the first Task of a new Job.
If you want to know more about Task creation, click here.
After the first task of the Job is created, the Pending status will be assigned to it. Therefore, you will be able to check it under the Jobs > Pending folder.
If you wish to edit the already created tasks, click here.
If you wish to add additional tasks to the same Job, click here.
If you wish to delete a Job, click here.
If you wish to delete a task, click here.