Downstream Biologics Process Scientist – Commercialization

Merck; Rahway (NJ); Hybrid; USD 72,000 - 113,000; Full time

Job summary

Merck is seeking a motivated scientist/engineer to join our Bioprocess Drug Substance Commercialization (BDSC) group. You will contribute to late-stage process development, technology transfer, and on‑the‑floor support of biologics in a collaborative manufacturing environment.

The role focuses on hands-on downstream processing, including lab-scale characterization, pilot-scale development, and preparation of technical documents for PPQ and licensure, with emphasis on quality, timelines, and

Qualifications

• Bachelor’s degree or higher in chemical engineering, chemistry, biology, or related field.
• Experience executing lab activities, planning experiments, data analysis, and reporting.
• Ability to perform experiments independently meeting timelines and quality expectations.
• Strong communication, organization, and problem-solving with attention to detail.

Responsibilities

• Execute hands-on experiments in biologics downstream processing, including lab-scale characterization, pilot-scale development, and scale-up/down model development.
• Collaborate with commercial manufacturing teams as a process sciences representative to support facility start-up and in-line support activities.
• Author and/or review technical documents to support Process Performance Qualification (PPQ) and licensure.

Skills

Lab experiments

Data analysis

Independent experimentation

Communication

Education

Bachelor’s Degree or higher in Chemical Engineering, Chemistry, Biology or comparable discipline

Tools

Membrane filtration

Chromatography

Ultrafiltration

Tangential flow filtration

Viral clearance

Job description

Merck is seeking a motivated scientist/engineer to join our Bioprocess Drug Substance Commercialization (BDSC) group. You will contribute to late-stage process development, technology transfer, and on‑the‑floor support of biologics in a collaborative manufacturing environment.

The role focuses on hands-on downstream processing, including lab-scale characterization, pilot-scale development, and preparation of technical documents for PPQ and licensure, with emphasis on quality, timelines, and