New

Research Associate - I

Spectraforce Technologies
United States, California, San Mateo
Mar 06, 2026
Job Title: Research Associate / Scientist - Cell Culture (Oncology Research) Location: Foster City, CA, 94404 Work Schedule: Onsite - 5 Days/Week Duration: 12 Months Position Summary We are seeking a talented and highly motivated individual to join the Research Oncology team in Foster City, CA. The role will provide scientific and technical support for laboratory activities including mammalian cell culture, cell line maintenance, and characterization. The candidate will collaborate with cross-functional teams in a fast-paced research environment, supporting oncology research projects and contributing to the development of genetically modified cell lines and in-vitro cell-based assays. Key Responsibilities Perform cell line expansion, maintenance, cryopreservation, and thawing of multiple mammalian cell lines. Prepare cell culture media with complex supplements and ensure proper cell handling procedures. Collaborate with team members to support cell culture needs for ongoing research projects. Coordinate with cross-functional teams to assess cell banking and cell culture requirements and deliver materials within timelines. Conduct and support cell line quality control procedures, including validation for experimental integrity. Maintain accurate laboratory notebooks and documentation for all experiments and lab activities. Support development of genetically engineered cell lines and in-vitro cell-based assays for oncology programs Basic Qualifications Bachelor's degree in Molecular Biology, Cell Biology, Cancer Biology, or related life science field. Minimum 3 years of hands-on experience working with: Cancer cell lines Primary cells Genetically engineered cell lines Strong expertise in aseptic techniques and mammalian cell culture. Experience handling multiple cell lines simultaneously. Proficiency in media preparation with complex supplements. Strong organizational skills, attention to detail, and record-keeping abilities. Familiarity with cell culture QC practices, including: Mycoplasma testing Cell line authentication. Preferred Qualifications 6+ years of hands-on experience in mammalian cell culture within the biopharmaceutical or biotechnology industry. Experience using electronic lab notebooks (ELN) for experiment documentation and workflow management. Ability to optimize and troubleshoot mammalian cell culture systems. Experience writing and maintaining Standard Operating Procedures (SOPs). Familiarity with online genetic databases and integration of phenotypic/genetic data into cell bank systems. Experience with viral and non-viral transduction or transfection methods, including: Lentivirus Retrovirus Lipid-based systems Experience using laboratory instruments such as: Plate readers Cell counters Automated western blot systems Ability to run basic cell-based assays and develop cell line banking protocols. Strong written and verbal communication skills. Ability to work effectively in a fast-paced environment with shifting priorities.