With 70 years in the market, **CJ Bio**, a company specialized in amino acid manufacturing, is widely recognized for using sustainable technologies in its production, with the mission of creating a better and sustainable world through its biotechnologies. It holds the largest share in the global Lysine market, with 11 factories in 6 countries and a sales network in 37 countries. CJ Bio is the only company that has all L\-Amino acids in its portfolio. In 2023, CJ expanded its unit in Brazil, becoming the only factory in Latin America producing Lysine, Threonine, and Tryptophan, making the country self-sufficient in the production of these inputs. **Responsibilities and duties** * Perform microbiological analyses for control and release of raw materials, intermediate products, finished products, and environmental monitoring. * Prepare analysis materials as well as organize the laboratory. * Control the use and expiration dates of strains, reference standards, solvents, analytical kits, among other items, ensuring traceability of all materials and processes in the area, when applicable. * Record analytical data and other relevant results in spreadsheets and logbooks, ensuring process traceability. * Collaborate with daily department routines, assisting in organization, review of technical documentation, and other activities. * Conduct analytical data reviews and prepare technical reports, ensuring data integrity. * Collaborate with other departments to solve problems and implement continuous improvements in quality control processes. **Requirements and qualifications** * Bachelor’s degree in Biology, Biomedicine, Pharmacy, or related fields. * Experience in microbiological quality control laboratories. * Solid knowledge in pathogen testing. * Desired experience in food industry, pet food, and animal nutrition regulations. * Knowledge of GMP (Good Manufacturing Practices) requirements applicable to the company's operational areas. * Intermediate English proficiency, with ability to read, write, and communicate effectively. **Additional information** Medical insurance; Dental insurance; Life insurance; Meal voucher; On-site restaurant; Shuttle transportation; On-site parking; Pharmacy discount program; Gympass; PPR (Profit Sharing); Birthday bonus CJ Brasil belongs to the CJ Group, which is structured into four distinct sectors. We hold the largest global market share in lysine, tryptophan, nucleic acid, and valine, with 11 plants across 6 countries and sales networks in 37 countries. In 2015, we became the first in the world to develop fermentation-based L\-Methionine, and our technology has become widely recognized. Certified by the UN (United Nations) as the first Development Cooperation Model and global partner for sustainable development, CJ believes that the company's success is directly linked to the well\-being of all its employees and society as a whole.