Free postings
A job posted from Post a job stays live for 30 days from the day it's approved.
Postings from your workspace
When you post from your organization's workspace, the job stays up until its closing date. If you don't set one, it closes after 90 days. You can mark a job filled at any time to take it off the board.
Tip:
Claim your page to manage postings yourself, reopen a filled job or post the next one without waiting for review.