**Description** Work in the laboratory providing support and assistance for laboratory services performed by the CONTRACTOR. **Responsibilities and duties** Cleaning and organizing glassware, cylinders, workbenches, and equipment; Handling, control, and inventory of materials and chemical products (including those controlled by the Federal Police and Army); Segregation and disposal of waste; Handling and control of special gas cylinders; Receiving and delivering samples and materials; Assembling and verifying sampling kits according to operational demands. **Requirements and qualifications** Completed high school education; Basic professional qualification course; Minimum of 1 year of experience in similar activities; Courses in **Cargo Handling** and **Laboratory Safety**; Good communication skills and proficiency in Portuguese language.