ETP technicians manage treatment processes for industrial wastewater from factories, chemical plants, food processing units, and manufacturing sites. They operate primary, secondary, and tertiary treatment systems, control chemical dosing, monitor biological activity, and run filtration or membrane units. Their role requires understanding of industry-specific pollutants and strict adherence to environmental standards. As industries worldwide adopt sustainable practices, ETP operations increasingly integrate automation, real-time monitoring, and advanced treatment technologies. Precision, documentation accuracy, and strong safety awareness are critical due to potential exposure to hazardous chemicals. Global demand is growing as environmental regulations tighten across sectors.