Position responsibilities: · Responsible for assay optimization, qualification, and validation, and technology transfer for proteins and other biomolecules. · Additional responsibilities include but are not limited to method development for identity, purity, aggregation status, charge isoforms, and potency using chromatography (including SEC, RP-HPLC, IEX, HIC, affinity, etc.), electrophoresis (including SDS-PAGE, Western blotting, IEF, and cIEF), and other protein chemistry tools. · Support upstream and downstream process development in-process testing, drug substance/drug product release testing, and stability study testing. · MS analysis of intact proteins and fragments generated by various enzyme digestion; peptide mapping analysis by LC-MS for protein amino acid confirmation and relative qualification of post-translational modifications. · Generate, manage, evaluate, and maintain data in a highly organized manner. · Coordinate with cross-functional departments on various projects. · Interpret data and contribute to technical reports. · Identify technical issues and implement solutions. · Participate in internal and external audits and inspections. · Ensure high-quality, timely documentation in laboratory notebooks and technical reports. Position requirements: · Bachelor’s or Master’s degree in Chemistry, Biochemistry, Pharmaceutical Sciences, or a related field · Minimum of 3 years of experience in analytical development and quality control within the pharmaceutical or biotechnology industry. · Expertise in characterizing protein structure including molecular weight, aggregation state, glycan structure, etc. · Experience in enzyme protein and mAb intact mass analysis, peptide mapping analysis, glycan analysis by LCMS is preferred. · Deep understanding of mAb and protein molecular and biochemistry, post-translational modifications, glycosylation structures, and developability liabilities is a plus. · Familiarity with protein/biomolecule assay development, optimization, qualification, and validation is required. · Ability and desire to work in a fast-paced, start-up environment. · Strong collaboration, team-working, documentation, and communication skills. · Independently motivated and detail-oriented with good problem-solving ability. · Must be able to work effectively in cross-functional teams.