Bioprocessing Sales Specialist - Upstream China

About the role

Repligen is looking for a Bioprocessing Sales Specialist for its Upstream business in China. The role acts as a technical expert who supports customers and internal teams in applying and optimizing company products, conducts hands-on experiments and troubleshooting, and provides scientific guidance. It reports to the APAC Product Director, Upstream, works closely with commercial teams and is responsible for upstream products and potential new product launches across China.

Key responsibilities

• Support customers and sales teams on product usage, formulation adjustments and performance optimization, and run lab-scale and pilot-scale trials
• Investigate and resolve technical issues related to product performance, stability or compatibility
• Work with key customers to develop tailored solutions, prepare technical documentation such as application guidelines and case studies, and deliver training sessions and workshops
• Collaborate with R&D and Product Development teams to refine formulations, give input on China-specific application requirements and support scale-up from lab to production
• Analyze competitor products, identify market trends and unmet needs, and ensure compliance with regional regulations, including assisting with technical dossiers for product registration

Required profile

• Bachelor's or Master's degree in Life Sciences, Biotechnology, Biochemistry, Engineering or a related discipline
• More than 3 years of experience in technical support, application development or related roles, preferably in biopharmaceutical upstream
• Hands-on experience with lab and pilot-scale equipment and testing methods
• Familiarity with China market dynamics and customer needs
• Willingness to travel up to 30% within China and to work flexible hours

Required skills

• Mammalian cell culture (CHO, HEK293) or microbial fermentation (E. coli, yeast)
• Bioreactor operations from bench-scale to pilot-scale, including fed-batch, perfusion and high-density cultures
• Process optimization, media development and process parameter tuning; PAT or DOE knowledge is an advantage
• Data analysis and reporting tools
• Excellent communication, presentation and problem-solving skills, and ability to work in cross-functional teams