greencardholder

See the August 2013 Visa Bulletin [1] for Employment Based priority dates.

[1] http://travel.state.gov/visa/bulletin/bulletin_6028.html

"After that there is a mandatory 180 day period before you can switch jobs."

This is false. There's a lot of misinformation on the internet about this. Speak to an immigration attorney and you will discover there's no mandatory period whatsoever.

See also: Rights and Responsibilities of a Green Card Holder (Permanent Resident)

http://www.uscis.gov/portal/site/uscis/menuitem.eb1d4c2a3e5b...