Principal Scientist I: API Process Development & Safety

Parexel; Carson City (NV); On-site; USD 110,000 - 150,000; Full time

Job summary

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D team on a full-time Parexel FSP assignment onsite at a client location in Rahway, NJ. The role focuses on developing and optimizing chemical processes from lab to kilo-scale, with GLP compliance and strong documentation practices.

The candidate will work in a laboratory-driven environment, plan experiments, analyze data, and contribute to deliverables for APIs and intermediates, aligning with safety and environmental

Qualifications

• PhD in Chemistry or closely related field or MS with 3+ years in pharma/biopharma.
• Experience in chemical process development, scale-up, and unit operations.
• Strong GLP and safety compliance knowledge.
• Excellent data analysis, documentation, and reporting skills.

Responsibilities

• Develop and optimize chemical process steps for APIs through the R&D pipeline.
• Support scale-up from grams to multi-kilogram scales and troubleshoot processes.
• Plan, execute, and document laboratory experiments with clear reports.
• Collaborate with cross-functional teams to deliver robust processes and APIs.

Skills

Chemical process development

Scale-up and unit operations

Lab safety and GLP

Analytical data analysis

Written and oral communication

Team collaboration

DoE methodologies

Process safety awareness

Education

PhD in Chemistry or closely related field

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

Tools

MS Office

Data analysis tools

Job description

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D team on a full-time Parexel FSP assignment onsite at a client location in Rahway, NJ. The role focuses on developing and optimizing chemical processes from lab to kilo-scale, with GLP compliance and strong documentation practices.

The candidate will work in a laboratory-driven environment, plan experiments, analyze data, and contribute to deliverables for APIs and intermediates, aligning with safety and environmental