Responsibilities:Independently perform sample preparation and LC-MS/MS analysis for proteomics and metabolomics studies in accordance with SOPs.Apply DDA and DIA/SWATH acquisition strategies to ensure robust, reproducible, and high-quality data delivery.Ensure accurate documentation, traceability, and timely reporting of experimental and QC results.Proactively report project progress, abnormalities, and potential risks to team leads, and support troubleshooting to prevent project delays; professionally communicate QC results and address client inquiries.Operate, maintain, and monitor the performance of high-resolution mass spectrometers and LC systems, and report instrument issues as needed to ensure optimal performance.Support daily laboratory operations, including internal coordination, reagent and consumable management, inventory monitoring, and procurement assistance.Provide technical guidance and training to junior laboratory staff.Ensure strict compliance with laboratory safety regulations and 5S principles to maintain a safe, efficient, and well-organized work environment.Perform additional duties as assigned by management.Qualifications:Master’s degree (or above) in proteomics, biochemistry, analytical chemistry, molecular biology, or a related field; a Bachelor’s degree with at least two years of relevant laboratory experience will also be considered. Required Skills:Solid hands-on experience in proteomics and/or metabolomics.Practical experience with high-resolution LC–MS/MS systems (e.g. Thermo Fisher Q Exactive HF-X, Orbitrap Exploris series).Ability to produce high-quality, well-documented data in accordance with SOPs.Willingness to travel to China for technical training, if required.