as a wastewater treatment plant operator or in a similar position; or for a sufficient length of time to prove competency in the skill... of the City's wastewater treatment plant. This individual will independently perform tasks where incorrect decisions...
' experience as a wastewater treatment plant operator or in a similar position; or for a sufficient length of time to prove... operation of the City's wastewater treatment plant, ensuring the facility's final effluent is of the best quality in order...