Senior Research Associate, Protein Sciences

This is a six month contract with an opportunity to extend or convert to an FTE. This position is on-site daily in Foster City.About the Opportunity:Company is seeking an energetic, self-motivated, and collaborative Senior Research Associate to join its Biologics Discovery group. This position will initially focus on supporting protein production and analytical functions.This is a unique opportunity to contribute to the foundational science and culture of a dynamic biotech start-up, supported by an experienced leadership team. The ideal candidate will bring experience in one or more of the areas outlined below, demonstrate a willingness and drive to learn new skills, possess solid critical thinking and troubleshooting abilities, and thrive in a start-up environment.Role and Responsibilities:Produce monoclonal and bispecific antibodies using transient mammalian expression systems.Design and perform in vitro biochemical and cell-based assays to characterize early-stage bispecific therapeutic antibody candidates.Catalog and maintain mammalian expression cell lines.Maintain and calibrate laboratory equipment.Work both independently and collaboratively within a small team setting.Purify proteins using FPLC (affinity, ion exchange, SEC).Characterize proteins using HPLC, SDS-PAGE, cell binding assays, and other product quality (PQ) assays.Education, Experience, and Qualifications:BS in Protein Biochemistry or a related field with 2+ years, or MS with 1+ years of relevant industry experience.Core Competencies and Skills:Experience with transient mammalian expression (CHO and HEK) is a plus.Familiarity with protein purification systems (e.g., AKTA) is a plus.Proficiency in protein characterization techniques such as HPLC, SDS-PAGE, and cell-based assays.Strong organizational, troubleshooting, and critical thinking skills.Excellent interpersonal and communication skills.Ability to work well in a team-oriented environment.Flexible, able to prioritize tasks effectively and meet deadlines in a fast-paced setting.

Created: 2026-05-08