There is an option to move candidates from one job to another. Aside from attaching candidate, this function will move the candidate's application and remove it from the current one.
1. Access the job candidate list page to view the candidate you want to move.
2. Tick the box before candidate's name and click Move to another job from the Actions menu.
3. Select the job where you want to move the candidate from the drop-down. Then click 'Move' button.
4. Candidate will show under the Valid list of applicants in the job.