Job Description

The Field Application Scientist, Downstream Filtration, serves as a technical leader and trusted advisor supporting the adoption and growth of Repligen’s downstream filtration portfolio. Working at the intersection of technology, customer success, and commercial execution, this role partners closely with customers, Sales, Product Management, Marketing, and R&D to solve complex bioprocessing challenges and drive technology adoption. The successful candidate will leverage expertise in downstream processing and filtration to influence process decisions, support strategic customer programs, accelerate commercial opportunities, and help shape the successful launch and adoption of new technologies. This role is expected to model our Leadership Behaviors—Integrity & Compliance, Customer Focus, Collaboration, Courage, Team Empowerment, and Accountability & Results—in all aspects of work. Partner with Sales, Product Management, and Marketing to drive adoption and growth of Repligen’s downstream filtration portfolio through technical presentations, customer evaluations, demonstrations, troubleshooting, and Voice of Customer activities, demonstrating collaboration, influence, and customer focus across functions. Serve as the technical expert for downstream filtration applications, helping customers optimize processes, implement new technologies, and solve complex bioprocessing challenges across process development and manufacturing, providing technical leadership and trusted guidance in support of customer success. Build strong relationships with customers and internal stakeholders, helping accelerate opportunities, remove technical barriers, and increase customer confidence in Repligen solutions, while fostering trust, accountability, and long-term partnerships. Collaborate with Product Management, R&D, and Marketing to develop application data, technical reports, training materials, and customer-facing content that support portfolio growth and new product launches, leveraging cross-functional leadership and knowledge sharing to achieve business objectives. Maintain expertise in downstream bioprocessing technologies and industry trends while providing customer and market insights that help shape future products, applications, and commercial strategy, demonstrating continuous learning, strategic thinking, and innovation. Bachelor’s degree or higher in Biology, Biochemistry, Biotechnology, Chemical Engineering, Biological Engineering, or a related scientific discipline.

• 5+ years of experience in downstream bioprocessing, process development, manufacturing, technical support, field applications, or a related customer-facing technical role.
• Strong knowledge of tangential flow filtration (TFF), downstream process development, scale-up and scale-down methodologies, technology transfer, and cGMP manufacturing environments.
• Excellent analytical, troubleshooting, communication, and interpersonal skills, with the ability to translate technical concepts into practical customer solutions and influence stakeholders through expertise, credibility, and effective collaboration.
• Demonstrated ability to combine technical expertise with a commercial mindset and influence customer decisions through technical leadership, strategic thinking, and customer-centered problem solving.
• Ability to work independently in a field-based role and travel domestically up to 75%, with occasional international travel.

Experience in customer-facing applications support, technical sales, manufacturing science, or process development roles. Proven ability to build customer relationships, influence technical strategy, and drive technology adoption through collaboration, leadership by influence, and a commitment to delivering customer value. Our mission is to inspire advances in bioprocessing as a trusted partner in the production of biologic drugs that improve human health worldwide. Focused on cost and process efficiencies, we deliver innovative technologies and solutions that help set new standards in bioprocessing. The estimated base salary range for this role, based in the United States of America is $100,000-$146,000. Compensation decisions are dependent on several factors including, but not limited to an individual's ,qualifications, location, internal equity, and alignment with market data. Additionally, employees are eligible to participate in one of our variable cash programs (bonus or commission) and eligible roles may receive equity as part of the compensation package. We offer a wide range of benefits such as paid time off, health/dental/vision, retirement benefits and flexible spending accounts.

Job Tags

Worldwide, Flexible hours

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