Big Horn Airways in Sheridan, Wyoming is hiring for smoke jumper pilots again this year, in both the Dornier 228, and the Casa 212. They also have off-season freight work available during the Christmas peak.
https://www.bighornairways.com/employment-opportunities
They are also hiring a charter pilot for the King Air and Citation, as well as ag pilots for the Air Tractors and the Jet Ranger.
First Officer positions are also available, 90-120 day contracts, 12 days on/2 off (typical fire season).