The City of Grinnell, IA (population 9,564) seeks a Wastewater Operator. Duties include learning the proper and efficient operation of the wastewater treatment plant, lift stations and collection system. Mechanical and electrical experience desirable. Grade I Iowa DNR Wastewater Certificate required within 18 months of employment. Iowa Class B CDL / air brakes / tanker endorsement required or the ability to obtain. Must be a non-tobacco user. Starting salary $29.69 per hour. Post offer physical, drug / background screens required. Applications are available by calling the city office at 641-236-2600 or by download. Send cover letter, resume and completed City of Grinnell job application to City Hall, 520 4th Avenue, Grinnell, Iowa 50112. Applications will be accepted until the position is filled and the first review of applications will occur on Nov. 6, 2026. It is the policy of the City of Grinnell to provide equal employment opportunities to all qualified persons, and to recruit, hire, train, promote, and compensate persons in all jobs without regard to race, color, religion, sex, national origin, disability, or sexual orientation. Wastewater Operator Job Description