(to edit an existing item) or the new job icon 
(to add a new item).
This form is not available for SQL Express servers as SQL Express does not include the Job Server agent.Use this form to add or edit job definitions.
Access this form by selecting the Jobs node (within Job Server) on the
navigation pane and clicking the design icon (to edit an existing item) or the new job icon (to add a new item).
Name
View or specify the name of the job. The name is limited to 128 characters.
Enabled
Enable or disable the job.
Description
View or specify the description of the job.
Category
View or specify the category of job. Use the browse (...) button to setup job categories.
Job Properties (Steps Tab)
Job Properties (Schedules Tab)
Job Properties (Notifications Tab)
Job Properties (Alerts Tab)