Principal Scientist I: Synthetic Chemist & Process Dev

Parexel; Salt Lake City (UT); On-site; USD 90,000 - 150,000; Full time

Job summary

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D efforts on a full-time, on-site assignment at our client in Rahway, NJ. You will lead laboratory-scale to multi-kilogram process development, focusing on reactions, extractions, distillations, crystallizations, and drying while upholding safety and GLP standards.

You will plan and execute experiments, analyze data, and document results for API development.

Qualifications

• PhD in Chemistry or related field; MS with pharma experience acceptable.
• Experience with chemical process development and scale-up.
• Strong documentation and GLP expectations.

Responsibilities

• Develop and optimize chemical processes across multiple unit operations.
• Maintain safety and GLP compliance while handling diverse chemicals.
• Plan, analyze, and document laboratory experiments; write clear reports.
• Collaborate with cross-functional project teams.

Skills

Chemical process development

Scale-up and unit operations

Laboratory experiments

GLP/GMP awareness

Data analysis and documentation

Safety compliance

Cross-functional collaboration

Education

PhD in Chemistry or closely related field

MS in Chemistry with 3+ years pharma experience

Tools

MS Office

Lab instrumentation/Analytical tools

Job description

Parexel is seeking a Principal Scientist I to join the Chemical Engineering R&D efforts on a full-time, on-site assignment at our client in Rahway, NJ. You will lead laboratory-scale to multi-kilogram process development, focusing on reactions, extractions, distillations, crystallizations, and drying while upholding safety and GLP standards.

You will plan and execute experiments, analyze data, and document results for API development.