**Description** Work on the development and characterization of innovative formulations, focusing on nutraceutical and cosmetic products based on nanotechnology. Conduct and perform analytical studies and validations, ensuring technical rigor, reliability of results, and compliance with applicable regulatory standards. **Responsibilities and Duties** Plan and execute laboratory tests for formulation and physicochemical characterization of products. Apply and interpret analytical techniques for active ingredient quantification, such as HPLC and spectrophotometry. Perform characterization techniques for nanostructured systems and formulations, including microscopy, particle size, zeta potential, and DSC. Develop and validate analytical methodologies for quantification and characterization of active ingredients. Prepare technical reports, protocols, and validation dossiers. Support stability testing and comparative studies between batches and formulations. Collaborate with Quality, Production, and Regulatory departments, ensuring results are reproducible and applicable at industrial scale. Contribute to the continuous improvement of processes and laboratory practices. **Requirements and Qualifications** Bachelor's degree completed. Experience in pharmaceutics and formulation characterization. Practical experience in instrumental analytical techniques (HPLC, spectrophotometry). Experience in physicochemical characterization techniques (microscopy, particle size, zeta potential, DSC). Knowledge in the development and validation of analytical methodologies.