An off-duty officer was busted Wednesday for “sexual conduct against a child,” cops said.

Jacob Sabbagh, 33, was arrested in Brooklyn’s 72nd Precinct. Authorities allege he committed a series of sexual offenses against the child between 2005 and 2008, prior to joining the NYPD.

Police could not provide the age of the child or any further details about the case, and the Brooklyn District Attorney’s Office did not respond to a request for comment.