The City of Sumner is recruiting one Lateral Animal Control Officer or Entry Level Animal Control Officer. Hiring Levels. Entry Level Animal Control Officer. 0 years' experience as an Animal Control Officer, no. Criminal Justice Training ACO Certificate. . Experienced Animal Control Officer. 12 or more months' experience as an Animal Control Officer, with no more than a 24 month break in service. Holds a valid. Criminal Justice Training. ACO. Cer...