WE DO NOT ACCEPT APPLICATIONS THROUGH INDEED. Apply online at: www.cascadecountymt.gov. Applications and other necessary documents are also available at. Cascade County Human Resources Dept. www.cascadecountymt.gov. Job Service. Submit all application materials to. Cascade County Human Resources. 325 2nd Ave N #108. Great Falls, MT 59401. Position. Office Manager. Salary. $18.00-19.00 per hour DOE. Schedule. Full-time with Benefits. Closing Date....