You can find a list of your saved Job Descriptions by clicking on the word Jobs in the top navigation bar at any time. You can also do so by clicking here.
Keep an eye on your Drafts folder. Any Job that you start to edit but do not finished will be placed in the Drafts folder.
You can find the Drafts folder by clicking on Jobs in the top Navigation bar. Look for the toggle button Jobs/Drafts in the top right corner.