Senior Process Chemist: Scalable Synthesis & Tech Transfer

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

Benefits offered by this job

Medical, dental, vision

401(k) retirement benefits

Bonuses

Job summary

Merck & Co., Inc. in Rahway, NJ is seeking PhD-level chemists to design and develop efficient, scalable manufacturing routes for multi‑modality drug substances. You will contribute to clinical supply processes and drive innovative solutions in a fast-paced environment.

The role emphasizes laboratory leadership, collaboration, and clear communication while advancing process chemistry from preclinical to clinical programs. Domestic relocation and sponsorship are available where applicable.

Qualifications

• PhD required with strong background in organic synthesis and catalysis.
• Experience communicating complex chemistry topics to diverse audiences.

Responsibilities

• Research and evaluate chemical routes, optimize reaction conditions, and demonstrate scalable processes.
• Lead tech transfers and ensure reproducibility across projects and modalities.
• Stay current with modern synthetic methodologies and drive continuous improvement.

Skills

Chemical Reactions

Organic Chemistry

Process Chemistry

Data Analysis

Scientific Writing

Laboratory Techniques

Reaction Mechanisms

Synthetic Chemistry

Technical Writing

Education

PhD in Organic Chemistry

Ph.D. in chemistry with catalysis/flow chemistry experience

Job description

Merck & Co., Inc. in Rahway, NJ is seeking PhD-level chemists to design and develop efficient, scalable manufacturing routes for multi‑modality drug substances. You will contribute to clinical supply processes and drive innovative solutions in a fast-paced environment.

The role emphasizes laboratory leadership, collaboration, and clear communication while advancing process chemistry from preclinical to clinical programs. Domestic relocation and sponsorship are available where applicable.