http://news.ycombinator.com/user?id=whoishiring
From the profile: This account automatically submits a 'Who is Hiring? (Month YYYY Edition)' post at 8 AM Eastern time on the 1st of every month.
According to the submissions page http://news.ycombinator.com/submitted?id=whoishiring
...it looks like there hasn't been a submission for today Thur, Dec 1 2011 as of 10:30AM EST.