Sr. Associate Scientist
Repligen Corporation · Marlborough, MA · 2 wk ago
Information Technology$85k–$122k/yrFull-time
Responsibilities
- Execute laboratory and pilot-scale experiments to support development of membrane-based filtration products, with a focus on ultrafiltration and tangential flow filtration (TFF) applications for biologics processing
- Independently carry out experimental plans, including system setup, operation, and troubleshooting of filtration hardware, ensuring consistent and reliable data generation
- Generate, analyze, and interpret experimental data; identify trends, assess performance, and communicate clear, data-driven conclusions
- Support development of downstream bioprocessing applications including protein concentration, diafiltration, and purification across varying conditions and scales
- Troubleshoot membrane, device, and process performance issues and recommend practical, technically sound solutions
- Prepare internal technical reports, data summaries, and supporting white papers to document findings
- Collaborate with cross-functional teams to support product development, line extensions, and continuous improvement efforts
- Maintain laboratory equipment and ensure proper operation while adhering to safety practices
- Provide technical guidance and collaborate across the team
Requirements
- Bachelor’s degree in chemical engineering, Chemistry, Biochemistry, or a related scientific or engineering discipline
- 3–5+ years of relevant industry experience in bioprocessing, filtration, or related environments
- Ability to execute experiments independently and manage multiple priorities with limited supervision
- Strong data analysis and problem-solving skills
- Ability to work effectively in cross-functional teams
- Strong written and verbal communication skills including technical report writing
Preferred Qualifications
- Hands-on experience with membranes, TFF cassettes (hollow fiber), ultrafiltration diafiltration, and/or tangential flow filtration (TFF) systems
- Experience operating, troubleshooting, and maintaining laboratory or pilot scale equipment
- Familiarity with downstream bioprocessing applications such as protein concentration, purification, or buffer exchange
- Experience with membrane manufacturing development, filtration device manufacturing development, filtration device failure analysis
- Experience preparing technical reports and supporting white papers
- Experience using statistical or data analysis tools (e.g., JMP, Minitab, Excel, or similar) for data evaluation, visualization, and trend analysis
- Hands-on experience with analytical techniques such as UV/Vis, pH, conductivity, HPLC, FTIR, or similar methods for routine sample and process characterization
Physical / Laboratory Requirements
- Hands on laboratory role requiring operation of pumps, tubing systems, and filtration equipment
- Ability to lift up to 25–50 lbs.
- Work in a laboratory environment
- Follow established safety procedures and handle chemicals appropriately