Description: Prerequisite * Must have NR-33 and 35 certification (height and confined space) - if not, the company will provide training and certification * Comply with safety regulations by using PPE * Ability to work as a team Description: * Assist in assembling water and effluent treatment systems * Perform tank filling with sand and stones (zeolites and pebbles) * Work in confined spaces to spread pebbles inside the tank * Follow company-established safety and quality standards 2510250202201831056