**Requirements:** Resident of Paulínia and Cosmópolis; Completed undergraduate degree; Experience with liquid chromatography (HPLC) and gas chromatography (GC). **Schedule: Mixed shift.** Shift B: 2:00 PM to 10:52 PM. Shift C: 10:10 PM to 6:10 AM. **Job description:** Perform physicochemical analyses of raw materials and products, record results, and release materials. Prepare solutions, calibrate equipment, manage reagents, and request maintenance. Complete analysis reports, support compliance with quality, safety, and 5S standards, maintain laboratory organization, and perform related tasks. Job type: Temporary Contract duration: 9 months Compensation: R$4,811.26 per month Benefits: * Fuel allowance * Life insurance * Meal allowance