Responsibilities：1.Be responsible for environmental monitoring of clean rooms, process water (WFI, PW, Pure Steam) sampling, and physical and chemical testing, process gas system monitoring;2.Perform EM or EM samples testing according to relevant SOP, test methods and cGMP requirements;3.Promptly and properly document tests and results per GDP and GMP;4.Draft analytical method, protocol, report, SOP and other technical documents;5.Lead or support investigation;6.Undertake other tasks assigned by supervisor.Requirements：1.Bachelor degree in Chemistry, Biochemistry, Microbiology, Molecular Biology, Biological Engineering, or other related field.2. 3~5 years' relevant work experience in Pharmaceutical/Biopharmaceutical industry, Bioburden, Endotoxin, Sterility or EM knowledge. EM including but not limited to TOC, pH, conductivity and monitoring for viable and non-viable particles.3.Fluent in writing and reading in both Chinese and English.4.Good computer operation skill (intermediate level in Microsoft Word, Excel, PowerPoint etc.5.Critical thinking, scientific reasoning and problem solving skills.