Also reports directly to the Supervisor of the CONTRACTOR. **Responsibilities:** Wash and organize materials used by the CONTRACTOR’s and CONTRACTEE’s teams. Maintain equipment, workbenches, and environments clean and organized at all times. Organize waste in a pre-designated location, ensuring proper disposal. Support activities such as: inventory assessment; operation of the warehouse management system; sample inspection; material transportation; assistance in simple analytical tasks (e.g., filtration, preparation of containers).