Associate Scientist (Protein Sciences)

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.

This is a 18-month contract position based in Foster City, California.

Responsibilities

• 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 workflow
• Perform biochemical and biophysical characterization of proteins and antibodies, including:
• SDS-PAGE and Western blot
• UPLC/HPLC-based purity assessment
• Binding assays (e.g., Octet/BLI)
• Document and summarize experimental data clearly to support team decision-making
• 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)
• 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
• Work closely with cross-functional partners to execute experiments aligned with defined protocols and timelines
• Communicate experimental progress and results effectively to project teams

Qualifications

• Bachelor’s or Master’s degree in Biochemistry, Molecular Biology, Protein Science.
• 2–4+ years of relevant hands-on laboratory experience in academic or industry settings
• 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

Salary

• $85,820-$92,622

Why Choose R&D Partners?

As an employee, you have access to a comprehensive benefits package including:

• Medical insurance – PPO, HMO & HSA
• Dental & Vision insurance
• 401k plan
• Employee Assistance Program
• Long-term disability
• Weekly payroll
• Expense reimbursement
• Online timecard approval

R&D Partners is a global functional service provider and strategic staffing resource specializing in scientific, clinical research & engineering. We provide job opportunities within major pharmaceutical, biopharmaceutical, biotechnology, and medical device companies.

R&D Partners is an equal-opportunity employer.