Responsibilities:1. Development and validation of quantitative LC-MS/MS method for analysis of drugs,metabolites, biomarkers in biological matrices.2. Conducting routine sample analysis for pre-clinical and clinical studies in compliance with GLP.3. Record-keeping in compliance with GLP.4. Preparation of study protocols, analytical procedures and reports.Requirements:1. Chemistry, analysis, bioanalysis, or pharmacology background.2. Hands-on experience on LC-MS/MS implementation, validation, and sample analysi.3. GLP work experience is a plus.4. Ability to read, write and speak English.5. Must be able to work in a dynamic working environment.6. Good communication skill.