on-the-job
US /ˌɑn ðə ˈdʒɑb/
UK /ˌɑn ðə ˈdʒɑb/
1.
while working; during the course of one's employment
:
•
He received on-the-job training for the new software.
•
Many skills are best learned on-the-job.
while working; during the course of one's employment