Problem
You want to prevent technicians from completing their own jobs but don't know how to configure this in ServiceTitan.
Solution
There isn't a way to prevent techs from completing their jobs. However, a workaround could be to enable the Pause on an appointment permission.
Change your technician settings
Go to the top toolbar and click Settings
.In the side panel, click People > Technicians.
Find the technician you want to update and click Edit.
Click the Permissions tab.
Find the Pause on an appointment permission and enable it.

When finished, click Save Changes.