Research Associate /Specialist – Protein Sciences

Laguna Hills, CA, USA

About the Role

Our Protein Sciences group is seeking a highly motivated Research Associate or specialist to perform protein expression, purification and characterization of challenging antigen proteins and antibodies in support of early-stage bispecific antibody drug development programs.


B.S or M.S in Biochemistry, Molecular Biology, Biotechnology or a related discipline with 1+ years of industry and/or academic experience. Highly motivated, detailed-oriented, willing to work in a small company with dedication. Careful documentation of experimental practices and results will be required. Have experience in mammalian cell culture, bacteria culture and plasmid purification. Knowledge with FPLC, HPLC chromatography is a plus.

Excellent communication and problem-solving skills. Attention to details is a must. Proven ability to work collaboratively in a fast-pace team environment.

Key Responsibilities

  • Perform protein expression and purification for in vitro and in vivo experiments
  • Assist in method development for protein purification protocols
  • Maintain detailed documentation of experimental results and reagent inventory
  • Perform routine maintenance of protein purification and analysis instruments
  • Perform analytical experiments to determine protein quality
  • Salary/Benefits

    Salary range is commensurate with skills and experience, plus competitive fringe benefits and generous stock options.

    We offer 401(k) retirement plan, health care and dependent care FSA.

    About the Company

    Amberstone Biosciences is a preclinical biotherapeutic company located in Orange County, California. We discover transformative immunotherapeutic antibodies including bispecific and multispecific molecules that uniquely address tumor microenvironment in part through developing highly innovative single-cell functional discovery platform technology. We believe that innovation is the foundation of our successes and our employees are the most valuable assets. We welcome people with adventurous spirits to join us, grow with us and prosper with us.