- City of Columbus (Columbus, OH)
- Wastewater Pretreatment Specialist - EXAM Print (https://www.governmentjobs.com/careers/columbusoh/jobs/newprint/4475262) Apply Wastewater ... Under direction, is responsible for serving as a technical specialist regarding wastewater pretreatment regulations...names of the applicants passing this administration of this exam will be used to create aNEW, OPEN COMPETITIVE,… more