Scientist II

Repligen Corporation•Marlborough, MA

About The Position

The Scientist II will support the development and commercialization of next-generation ultrafiltration and microfiltration membrane technologies for bioprocessing applications. The role contributes to projects from concept development through commercialization, including membrane design, process development, scale-up, verification and validation, technology transfer, and lifecycle support. The focus is on delivering high-quality solutions that meet customer and business needs. This is a hands-on scientist or engineer role requiring expertise in membrane science and process development. The position works closely with Manufacturing, Quality, Regulatory, Supply Chain, Marketing, and Commercial teams to develop innovative products and manufacturing processes. The successful candidate is expected to take ownership of technical challenges, contribute ideas, collaborate across teams, and maintain a strong commitment to quality, integrity, and compliance. The role is also expected to model Leadership Behaviors: Integrity & Compliance, Customer Focus, Collaboration, Courage, Team Empowerment, and Accountability & Results.

Requirements

  • Ph.D. in Chemical Engineering, Polymer Science, Materials Science, Chemistry, or a related discipline with 2+ years of relevant industrial experience; or M.S. with 5+ years; or B.S. with 8+ years of relevant experience.
  • Experience in polymeric membrane development, membrane formation processes, and membrane separation technologies.
  • Experience supporting new product development projects, including process scale-up and technology transfer to manufacturing.
  • Familiarity with Stage-Gate product development processes, design verification and validation, and process validation activities.
  • Working knowledge of quality and manufacturing tools such as DFMEA, PFMEA, IQ/OQ/PQ, process characterization, and statistical analysis.
  • Strong experimental and troubleshooting skills, including the ability to independently design and execute technical studies, make sound technical decisions, and take ownership of results.
  • A hands-on approach and willingness to work in laboratory and pilot-scale environments.
  • Strong problem-solving, communication, organizational, and teamwork skills, with the ability to collaborate effectively, share ideas, and contribute to team success.
  • Ability to manage multiple projects, prioritize effectively, and deliver results in a fast-paced environment while maintaining high standards of quality and accountability.

Responsibilities

  • Develop ultrafiltration and microfiltration membranes and membrane manufacturing processes from concept through commercialization, focusing on product performance, manufacturability, and customer needs.
  • Execute new product development activities, including process development, design verification, validation, scale-up, and technology transfer, taking ownership of deliverables and project outcomes.
  • Evaluate membrane formulations, process improvements, and emerging technologies to enhance product performance and manufacturability, and bring forward ideas and approaches to technical challenges.
  • Design, execute, and analyze laboratory- and pilot-scale experiments to address technical challenges, inform decisions, and support project objectives.
  • Support validation activities using tools including DFMEA, PFMEA, IQ/OQ/PQ, control plans, and process verification methodologies while maintaining quality, integrity, and compliance.
  • Prepare technical documentation, including development reports, characterization studies, validation reports, technology transfer packages, and SOPs.
  • Work hands-on in laboratory and pilot-scale environments to develop processes, operate equipment, and troubleshoot complex technical issues.
  • Collaborate with cross-functional teams, sharing knowledge and perspectives and working toward common goals to advance development projects and commercialization efforts.

Benefits

  • Paid time off
  • Health insurance
  • Dental insurance
  • Vision insurance
  • Retirement benefits
  • Flexible spending accounts
  • Eligibility to participate in a variable cash program (bonus or commission)
  • Equity may be available for eligible roles
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