Lead Scientist - Device Physics & PK/PD Modeling

MSD; Rahway (NJ); On-site; USD 157,000 - 247,000; Full time

Benefits offered by this job

Health insurance

401(k) plan

Paid holidays & vacation

Job summary

Merck & Co., Inc. in Rahway, NJ seeks a Principal Scientist to lead physics-based modeling and simulation within the Device Product Assessment and Innovation team in Device Development and Technology.

The role connects drug delivery device physics with translational PK/PD and partners across formulation, device performance, and biology. You will set cross-program strategy, advance data and decision science capabilities, and provide independent scientific judgment with mentoring across teams.

Qualifications

• Bachelor’s degree or higher in Mechanical Engineering, Biomedical Engineering, Materials Science, or related field.
• 12+ years (Bachelor’s), 9+ years (Master’s), or 6+ years (PhD) of relevant experience.
• Extensive physics-based modeling and simulation experience addressing complex problems.
• Experience with device/drug delivery or combination products preferred, not required.
• Advanced simulation and programming skills (MATLAB, ABAQUS, ANSYS, COMSOL, Python, C++).
• Strong cross-program leadership and ability to mentor others.

Responsibilities

• Set cross-program modeling strategy linking device physics with translational PK/PD insights.
• Lead first-principles modeling of formulation mechanics, flow paths, actuation, and tissue interactions.
• Set model development, verification, validation, and uncertainty standards; oversee reviews.

Skills

Biomedical Eng

Combination Prod

Cross-Functional Comm

Drug Delivery

FEA

Human Factor Eng

Mechanical Eng

Mechanical Testing

Medical Device Quality Systems

Next Gen Sci Standards

Pharmacokinetics

Physics Simulation

Process Development Eng

Risk Management

Simulation Programming

Education

Bachelor's degree

Master's degree

PhD

Tools

MATLAB

ABAQUS

ANSYS

COMSOL

Python

C++

Job description

Merck & Co., Inc. in Rahway, NJ seeks a Principal Scientist to lead physics-based modeling and simulation within the Device Product Assessment and Innovation team in Device Development and Technology.

The role connects drug delivery device physics with translational PK/PD and partners across formulation, device performance, and biology. You will set cross-program strategy, advance data and decision science capabilities, and provide independent scientific judgment with mentoring across teams.