Principal Scientist: Pharma Process Development & Safety

Parexel; Salem (OR); On-site; USD 120,000 - 180,000; Full time

Job summary

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D team on a full-time basis, onsite at a client site in Rahway, NJ. The role emphasizes development and optimization of chemical processes to deliver APIs through the R&D pipeline.

The candidate will operate in a laboratory-based environment, handling diverse chemicals and equipment, documenting experiments, and ensuring safety and quality in a fast-paced setting. This position does not offer sponsorship.

Qualifications

• PhD in Chemistry or closely related field (Biochemistry, Analytical Chemistry, etc.) or MS with 3+ years pharma/biopharma experience.
• Experience in chemical process development, scale-up, and unit operations (reactions, extractions, distillations, crystallizations, filtrations, drying).
• Strong lab skills and ability to generate and document data per GLP expectations.
• Ability to work in fast-paced, regulated lab with minimal supervision.
• Proficiency with MS Office and data analysis tools.

Responsibilities

• Develop and optimize chemical processes to advance APIs from early to late-stage development.
• Scale up experiments from lab to kilo-lab scale and troubleshoot issues.
• Plan, analyze, and document laboratory experiments; write concise reports.
• Collaborate with cross-functional teams to meet safety, quality and yield goals.
• Maintain compliance with safety, environmental, and GLP/GMP expectations.

Skills

Chemical process development

Scale-up

Laboratory safety (GLP)

Data analysis

Documentation

Cross-functional collaboration

Proficiency with MS Office

Education

PhD in Chemistry or closely related field

MS in Chemistry with 3+ years pharma/biopharma experience

Tools

Mettler Toledo EasyMax/Optimax

HPLC

GC

FTIR

Raman

Job description

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D team on a full-time basis, onsite at a client site in Rahway, NJ. The role emphasizes development and optimization of chemical processes to deliver APIs through the R&D pipeline.

The candidate will operate in a laboratory-based environment, handling diverse chemicals and equipment, documenting experiments, and ensuring safety and quality in a fast-paced setting. This position does not offer sponsorship.