The user added as the Recruiter will be listed as the contact person in the job ad, as well as the sender of all the automatic messages sent in the job process from Teamtailor.
The user that creates the job will be added as the Recruiter by default. Users with an Admin access level can change the Recruiter of a job posting.
To update this, open the editing mode of the job from the Jobs overview page:
You can also access these settings directly within the job process at the top right-hand corner:
Under the section Hiring team, update the added user in the Recruiter field: