Associate Scientist - Biology II*

Description: Onsite Position - Foster City - M-F Associate Scientist (Contract) - Protein Sciences Position Summary We are seeking a highly motivated Associate Scientist (Contract) to support our Protein Sciences team. This individual will contribute as a hands-on laboratory scientist, executing protein production, purification, and analytical workflows that support multiple CAR-T and cell therapy programs. This is a 100% bench-focused, individual contributor role. The successful candidate will work closely with scientists across Protein Science and Research to generate high-quality data and reagents, while contributing to efficient laboratory operations and experimental execution. Key Responsibilities Protein Production & Purification • Execute recombinant protein expression and purification workflows across multiple expression systems (e.g., mammalian cell culture, transient transfections) • Perform protein purification using AKTA chromatography systems (affinity, SEC, ion exchange) • Maintain cell cultures and support transfection workflows Analytical Characterization • Perform biochemical and biophysical characterization of proteins and antibodies, including: o SDS-PAGE and Western blot o UPLC/HPLC-based purity assessment o Binding assays (e.g., Octet/BLI) • Document and summarize experimental data clearly to support team decision-making Protein Modification & Assay Support • Perform antibody and protein conjugation workflows with appropriate analytical follow-up • Prepare reagents and materials to support downstream functional assays (e.g., flow cytometry or cell-based assays in collaboration with Cell Biology partners) Lab Operations & Execution • Maintain organized lab practices, including reagents, consumables, and shared equipment • Ensure accurate experimental documentation in electronic lab notebooks and LIMS • Follow established SOPs and contribute to maintaining reproducibility and data quality standards Collaboration • Work closely with cross-functional partners to execute experiments aligned with defined protocols and timelines • Communicate experimental progress and results effectively to project teams Basic Qualifications • Bachelor's or Master's degree in Biochemistry, Molecular Biology, Protein Science, or related field • 2-4+ years of relevant hands-on laboratory experience in academic or industry settings Preferred Qualifications • Experience with recombinant protein expression and purification workflows • Hands-on experience with AKTA systems and chromatography methods • Familiarity with protein characterization techniques (SDS-PAGE, HPLC, BLI/Octet, etc.) • Experience with mammalian cell culture and transfections • Strong attention to detail and commitment to high-quality data generation and documentation • Ability to follow protocols, troubleshoot at the experiment level, and work effectively in a fast-paced lab environment Key Characteristics for Success in This Role • Strong hands-on bench execution skills • High level of organization and reproducibility • Ability to independently execute experiments with appropriate controls • Collaborative mindset and willingness to support team priorities Additional Details Manager's Requested XXXX : 67Onsite Offsite : Onsite