Senior Scientist, Engineering

MSD

Confirmed live today High trust

Quick summary

Work type
On-site
Location
Rahway, NJ
Salary
$117,000–$184,200 / yr
Posted
3 days ago
Freshness
Confirmed live today
Closes
Sep 28, 2026

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $178k
This role $151k
$105k most similar roles pay here $229k

This role pays less than 62% of similar roles. Most pay $139,100–$216,618 — the shaded band above. At the midpoint, this role pays about $151k versus about $178k for comparable roles.

Based on 240 similar postings.

Employer

About MSD

MSD (Merck Sharp & Dohme) is the international name for Merck & Co., a major U.S.-based pharmaceutical company.

MSD currently has 24 open roles on FindRole.

Listed pay typically runs $117,000–$184,200 across 24 roles with salary data.

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View all roles at MSD

At a glance

TL;DR · Senior Scientist, Engineering

Sr. Scientist, Engineering joins the Chemical Engineering Research & Development department within the Process Research and Development organization. This role involves hands-on process development and scale-up work ranging from laboratory scale to commercial manufacturing. The individual will conduct independent research to conceive, design, plan, and implement advanced experiments focused on technology development and the production of active pharmaceutical ingredients. Key responsibilities include managing activities at external suppliers, ensuring safety and quality compliance through cGMP and GDocP standards, and participating in risk assessments and deviation investigations. The role requires expertise in organic chemical synthesis, wet chemistry, and data analysis. Preferred technical skills include experience with statistical experimental design, process modeling, and Process Analytical Technologies. The position addresses the critical challenge of transitioning pharmaceutical drug substances from initial laboratory research to large-scale production environments.

What you'll do

  • Perform hands-on process development and scale-up from laboratory scale to commercial manufacturing.
  • Design, plan, and implement advanced experiments for active pharmaceutical ingredient (API) production.
  • Manage process development and manufacturing activities at external supplier sites.
  • Ensure compliance with cGMP, GDocP, and safety standards during all research activities.
  • Conduct risk assessments and investigate deviations in the manufacturing process.
  • Utilize statistical experimental design and process modeling to optimize chemical processes.
  • Perform organic chemical synthesis and wet chemistry while analyzing resulting data.
  • Support pilot plant operations and communicate technical solutions to cross-functional teams.

What we're looking for

  • The position requires either a PhD in Chemical/Biochemical Engineering or a BS/MS with at least 5 years of relevant work experience.
  • Candidates must have experience in lab-based research, process development, and moving processes from laboratory to pilot or production scale.
  • Highly effective communication, collaboration, organization, writing, and time management skills are required.
  • Direct experience with pharmaceutical drug substance processing is preferred.
  • Familiarity with cGMP and GDocP during pharmaceutical development and production is preferred.
  • Experience applying statistical experimental design (Design of Experiments) and/or process modeling is preferred.
  • Experience with organic chemical synthesis, wet chemistry, and data analysis is preferred.
  • Familiarity with Process Analytical Technologies (PAT) and background in chemical engineering technology development are preferred.

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