From 1980 to 1986 McIntyre worked as a copy editor at The Cincinnati Enquirer. He became a copy editor at The Baltimore Sun in 1986. On April 29, 2009, McIntyre was laid off by The Sun. He was rehired in 2010 to serve as the newspaper's Night Content Production Manager.
McIntyre is also an affiliate (adjunct) instructor at Loyola College in Maryland. He maintains a blog called "You Don't Say" on the Sun website, discussing a variety of topics including grammar usage, journalism, and copy editing.