blog posts Conservation Police Officer Trainee, Illinois Dept. of Natural Resources (Springfield, IL) May 27, 2021 10:45 am32 views 25 vacancies Conservation Police Officer, Illinois Dept. of Natural Resources (due May 31) May 3, 2021 1:15 pm20 views IDNR currently has 25 openings for the position of Conservation Police Officer Trainee (CPOT).