If you have a site that needs officers frequently, you'll have to add shifts for officers to apply to. Also, you may find yourself needing to update the information for a site from time to time to suit various requirements.
To do this, first of all head to the site you're looking to change on the portal.
Click the ✏ on the job title to edit the information posted for the role.
This screen will come up, where you can edit the information provided.
You can watch this short video to see a step by step guide:
If you wish to edit shifts in a job, you can click the ✏️icon on the shift to change the details. Watch this short clip for a tutorial on how to edit shift details: