Principal Scientist I, API Process Development & Safety

Parexel; New Jersey; On-site; USD 120,000 - 180,000; 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 efforts at a client site in Rahway, NJ. This full-time role focuses on developing and scaling chemical processes to support API production, with emphasis on safety, quality, and environmental considerations.

The position involves hands-on lab work spanning gram to multi-kilogram scales, planning and reporting experiments, and collaborating within cross-functional teams to move APIs through R&D

Qualifications

• PhD in Chemistry or related field or MS + 3+ years pharma/biopharma experience.
• Experience with chemical process development and unit operations.
• Ability to plan, execute, and document experiments in GLP-regulated settings.

Responsibilities

• Develop and optimize chemical processes from lab to kilo-lab scales.
• Plan, execute, and document experiments; generate reports with data analysis.
• Collaborate with project teams to deliver intermediates and APIs.
• Ensure safety, environmental, and quality requirements are met.

Skills

Chemical process development

Scale-up

Data analysis

Laboratory safety

DoE awareness

MS Office

Cross-functional collaboration

GLP compliance

Education

PhD in Chemistry or closely related field

MS in Chemistry or related field with 3+ years pharma experience

Tools

Mettler Toledo EasyMax/Optimax

HPLC

GC

FTIR

Raman

Job description

Parexel is seeking a Principal Scientist I to join the Chemical Engineering Research and Development efforts at a client site in Rahway, NJ. This full-time role focuses on developing and scaling chemical processes to support API production, with emphasis on safety, quality, and environmental considerations.

The position involves hands-on lab work spanning gram to multi-kilogram scales, planning and reporting experiments, and collaborating within cross-functional teams to move APIs through R&D