Help wanted: Otter Tail County. Intermittent/Casual Certified Solid Waste Attendant. Otter Tail County is accepting applications for an Intermittent/Casual Certified Solid Waste Attendant to fill in at various Otter Tail County Solid Waste Transfer Sites. Hours of site operation vary by season and by site.  For information and to apply, visit https://ottertailcounty.gov/. EEO Employer