Jobs · Information Technology · Massachusetts

Sr. Associate Scientist

Repligen Corporation · Marlborough, MA · 2 mo 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

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