The solution provides a simple mechanism for modifying the timer jobs deployed within SharePoint, without needing to redeploy them.
It also helps to deploy your own custom timer jobs, update job persisted properties and schedule without the need to write installer
Deploy SharePoint solution (.wsp file) to the farm using SharePoint Central Administration or stsadm utility. After deploying the solution 'Manage Timer Jobs' link will appear on the Operations page, in the Global Configuration section
Fixed issues with adding jobs with SPJobLockType.ContentDatabase
Delete button is now disabled for Microsoft.* jobs to prevent users from accidentally deleting them