With the National Park Service in Washington, D.C. Note that I have no "inside knowledge" about these positions - I do not work for the federal government.
https://www.usajobs.gov/GetJob/ViewDetails/389993500 (https://www.usajobs.gov/GetJob/ViewDetails/389993500)
https://www.usajobs.gov/GetJob/ViewDetails/389545400 (https://www.usajobs.gov/GetJob/ViewDetails/389545400)