Principal Scientist I - Process Chemistry & Scale-Up

Parexel; Trenton (NJ); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Full benefits

Sick time

401K

Paid holidays

Paid time off

Job summary

Parexel is seeking a Principal Scientist I to join the Chemical Engineering Research and Development group on assignment as a full-time Parexel FSP employee onsite at a client site in Rahway, NJ. The role focuses on developing and optimizing chemical processes, with lab-scale to multi-kilogram scale work and documentation to support API development.

Candidates should have a PhD in Chemistry or related field (or MS with pharma experience) and demonstrate GLP/GMP awareness, strong data analysis,

Qualifications

• PhD in Chemistry or related field; or MS with 3+ years pharma/biopharma experience.
• Experience in chemical process development, scale-up and unit operations.
• Strong lab skills and data generation, analysis, and reporting.

Responsibilities

• Develop and optimize chemical processes across steps from lab to late-stage development.
• Plan, execute, and document experiments; produce clear reports.
• Collaborate in cross-functional teams; ensure safety and GLP expectations.
• Advance APIs and intermediates through R&D pipelines with robust yield and quality.

Skills

Chemical process development

Scale-up

Laboratory skills

Data analysis

Documentation

MS Office

Communication

Education

PhD in Chemistry

MS in Chemistry

Tools

Mettler Toledo EasyMax/Optimax

HPLC

GC

Job description

Parexel is seeking a Principal Scientist I to join the Chemical Engineering Research and Development group on assignment as a full-time Parexel FSP employee onsite at a client site in Rahway, NJ. The role focuses on developing and optimizing chemical processes, with lab-scale to multi-kilogram scale work and documentation to support API development.

Candidates should have a PhD in Chemistry or related field (or MS with pharma experience) and demonstrate GLP/GMP awareness, strong data analysis,