As a pilot posted here recently (100% accurate), Atlas has officially closed the doors indefinitely (posted today, 5 hours ago):

Overview

First Officer Talent Community

Thank you for your interest in our First Officer position. At this time, we are not currently hiring and do not have a timeline for when we will resume. If you’re interested in future First Officer opportunities, please submit your information to this Talent Community so we can contact you when we start hiring again.