Requires graduation from high school or equivalent; Must possess and maintain a valid Class C California drivers license; Requires the ability to stand, walk on uneven terrain, kneel, crouch, climb, work at heights and depths, stoop, twist, and lift and move heavy objects weighing fifty (50) pounds or more; respond to emergency situations; use proper work safety precautions/procedures, as assignments may involve exposure to various weather and environmental conditions, vibration, confined spaces, chemicals, infectious materials, hazardous gases, mechanical and electrical hazards, raw sewage, and water/wastewater effluents; and travel to different work sites over a large geographic area; Must meet requirements for the Cal/OSHA Respiratory Fit Program; WWSW II must possess and maintain a valid Class A California drivers license with applicable endorsements. Under immediate (Water/Wastewater Services Worker Assistant), general (Water/Wastewater Services Worker I) or limited (Water/Wastewater Services Worker II) supervision, learns to operate, maintain, and repair (WWSW Assist) or operates, maintains, and repairs (WWSW I/II) water or wastewater service systems, and/or learns to perform (WWSW Assist) or performs (WWSW I/II) customer service/meter reading activities throughout the Public Works Agency - Water and Sanitation Department service area/district; and performs other related duties as required.