If we are hitting the error “BigQuery connection is hitting this error User does not have bigquery.jobs.create permission in project project_name” for a connection where we have granted the user the BigQuery Data Editor and BigQuery Job User role already then we may need to check our value for the Project Name parameter in the connection.
For bigQuery connections Project Name in the connection panel needs to be the Google project ID rather than the name per our docs here.
In this example we click on the project name Actions in the BQ console which shows us the project ID is actions-279322. actions-279322 is the value we need for our looker connection in this case: