Downstream Biologics Process Scientist, Tech Transfer

Merck & Co.; Rahway (NJ); Hybrid; USD 87,000 - 137,000; Full time

Job summary

Merck & Co. in Rahway, NJ is seeking a scientist/engineer to join the Bioprocess Drug Substance Commercialization (BDSC) group. The role focuses on late-stage process development, technology transfer, and in-line support for biologics.

Responsibilities include hands-on experiments in downstream processing of mAbs, collaboration with manufacturing teams, and authoring technical documents to support PPQ and licensure.

Qualifications

• Bachelor’s degree or higher in Chemical Engineering, Chemistry, Biology or comparable discipline.
• 2+ years of experience with downstream processing of monoclonal antibody (mAb) products or similar in lab/manufacturing settings.
• Mechanistic understanding of downstream processing separation sciences.
• Ability to execute experiments independently with quality and timeline focus.
• Strong communication, organizational, and problem-solving skills.

Responsibilities

• Lead hands-on experiments in biologics downstream processing across lab to pilot scale.
• Collaborate with commercial manufacturing teams to support start-up and on-the-floor activities.
• Author/review technical documents to support PPQ and licensure.

Skills

Lab experiments

Downstream processing

Monoclonal antibodies

Independent execution

Communication

Education

Bachelor's degree or higher in Chemical Engineering, Chemistry, Biology

Tools

Membrane filtration

Preparative chromatography

Ultrafiltration or tangential flow filtration

Viral clearance

Job description

Merck & Co. in Rahway, NJ is seeking a scientist/engineer to join the Bioprocess Drug Substance Commercialization (BDSC) group. The role focuses on late-stage process development, technology transfer, and in-line support for biologics.

Responsibilities include hands-on experiments in downstream processing of mAbs, collaboration with manufacturing teams, and authoring technical documents to support PPQ and licensure.