Issue
After Nintex update/migration the "Nintex Workflow Maintenance Job" is missing from the farm.
Resolution
Schedule a purge job using the Central Admin > Nintex Administration > Purge workflow data.
Once a purge request is queued, the job will be created automatically.
Additional Information
The job is not created or installed with installation of Nintex Workflow.
Nintex Workflow Maintenance Job, is only created when you run Purge Workflow Data under Nintex Administration in Central Admin.
Related Links
See other more information and settings: