Senior Scientist – Purification & Chromatography (Pharma)

MSD; Rahway (NJ); On-site; USD 117,000 - 184,000; Full time

Benefits offered by this job

Annual bonus

Long-term incentive

Job summary

MSD in Rahway, NJ, seeks a Senior Scientist in the multiscale separations team to advance purification methods for small molecules, peptides, and conjugates. You will lead chromatographic isolation from analytical to prep scale and collaborate across chemistry and analytics to enable pipeline advancement.

The role emphasizes MS‑directed purification, orthogonal detection, and high-quality scientific communication, with opportunities to publish and present findings.

Qualifications

• Experience in analytical chromatography from micro to prep scales.
• MS-directed purification experience.
• Strong scientific writing and verbal communication skills.
• Publications or conference presentations in relevant fields.

Responsibilities

• Lead chromatographic isolation of APIs and impurities from analytical to prep scale.
• Develop and optimize purification workflows for multiple modalities.
• Collaborate with process chemists and analytics to enable scalable isolation.
• Communicate findings clearly through reports and presentations.

Skills

Chromatography

Mass spectrometry

Method development

Purification workflows

Chiral isolation

MS‑directed purification

Communication skills

Publications

Education

PhD in Chemistry or related field

MS with 5+ years biopharma experience

Tools

PDA

MALS

Charged aerosol detection

Mass spectrometry instruments

Job description

MSD in Rahway, NJ, seeks a Senior Scientist in the multiscale separations team to advance purification methods for small molecules, peptides, and conjugates. You will lead chromatographic isolation from analytical to prep scale and collaborate across chemistry and analytics to enable pipeline advancement.

The role emphasizes MS‑directed purification, orthogonal detection, and high-quality scientific communication, with opportunities to publish and present findings.