**Description** Perform physicochemical analyses, sample collection and handling, following quality, safety, hygiene and environmental standards and procedures. Operate and maintain laboratory equipment in accordance with technical standards, carrying out preventive and corrective actions, ensuring the quality of productive process stages. Assist in implementing improvements, prepare technical reports and monitor performance indicators. Support laboratory waste management and workplace organization, promoting operational excellence and sustainability. **Responsibilities and duties** * Perform sampling at different stages of the production process and prepare samples for analysis. * Conduct analyses according to predefined methods, ensuring result accuracy. * Prepare chemically simple solutions, following technical rigor. * Check and calibrate instruments to ensure compliance and accuracy. * Perform cleaning routines, inspections and minor repairs on laboratory equipment. **Requirements and qualifications** High school diploma. Currently enrolled in a Technical Chemistry program or similar.