Principal Scientist I, Process Development & Scale-Up

Parexel; Honolulu (HI); On-site; USD 110,000 - 160,000; Full time

Job summary

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D team, onsite at a client site in Rahway, NJ. The role is a full-time Parexel FSP assignment with comprehensive benefits but no sponsorship.

You will lead chemical process development and scaling efforts to deliver APIs, working in a fast-paced, regulated lab environment. The ideal candidate holds a PhD (or MS with extensive pharma experience) and demonstrates strong data analysis, reporting, and cross-functional

Qualifications

• PhD in Chemistry or closely related field; or MS with 3+ years pharma/biopharma experience.
• Experience with chemical process development and scale-up.
• Strong lab skills and GLP expectations compliance.
• Ability to work in a fast-paced, regulated laboratory environment with minimal supervision.
• Proficiency with computers and data analysis tools.

Responsibilities

• Develop and optimize chemical processes from lab to kilo-scale.
• Operate reactors and analytical instruments safely.
• Plan and document experiments with clear reports.
• Collaborate on cross-functional project teams.
• Deliver process intermediates and APIs.

Skills

Process development

Scale-up

GLP/GMP knowledge

Analytical data analysis

Communication skills

Cross-functional collaboration

Documentation

Independence

Education

PhD in Chemistry or closely related field

MS degree in Chemistry or closely related field with 3+ years pharma/biopharma experience

Tools

Mettler Toledo EasyMax/Optimax

MS Office

DoE software / methods

Job description

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D team, onsite at a client site in Rahway, NJ. The role is a full-time Parexel FSP assignment with comprehensive benefits but no sponsorship.

You will lead chemical process development and scaling efforts to deliver APIs, working in a fast-paced, regulated lab environment. The ideal candidate holds a PhD (or MS with extensive pharma experience) and demonstrates strong data analysis, reporting, and cross-functional