China Headquarters

US Division


Welcome to join Biosion

Together we make a better future

Protein Expression Senior Scientist (1) - Ph.D. level

Protein Expression Senior Scientist (1) - Ph.D. level

Our Protein Sciences group is seeking an experienced cell culture scientist to provide technical expertise in development and optimization of protein expression in various cell culture systems for new therapeutic biological products including monoclonal antibodies, fusion proteins, and nanobodies.  The individual will be responsible for:
Supporting project advancement and contributing to cell line technology improvements;
Generation and creation of expression vectors and strategies, executing mammalian cell culture processes and optimizing expression as well as utilize solid problem-solving skills to meet project requests on time;
Developing innovative methods to support and improve expression technologies;
Collaborating with various colleagues in different groups to achieve efficient workflow;
Analyze, interpret, summarize and report experimental data in a timely fashion;
Remain current with applicable internal/external scientific literature and apply new information to successfully complete work assignments.
Ph.D. in biological science or relevant discipline with a minimum of 2 years of work experience in recombinant protein production;
Strong scientific understanding of recombinant protein expression, cell line and gene editing technologies; 
Previous hands-on experience in cell culture with a focus on mammalian cell recombinant protein production.  Understanding of cellular metabolism, media optimization;
Strong expertise with DNA cloning, expression vector construction and design with proven experience and advanced molecular biology techniques is highly desirable;
Experience in the recombinant expression of proteins in E. coli bacteria and/or cell-free systems;
Experience in the analysis of expressed proteins using flow cytometry and other techniques is preferred;
Industry experience is preferred.