Principal Scientist: Synthetic Process Development & Safety

Parexel; Phoenix (AZ); On-site; USD 110,000 - 170,000; Full time

Job summary

Parexel is seeking a Principal Scientist I for an onsite role at a client location in Rahway, NJ. This full-time position involves hands-on laboratory work to develop and optimize chemical processes from grams to multi-kilogram scales, with emphasis on safety, quality, and environmental considerations.

Responsibilities include planning experiments, analyzing data, and delivering robust processes while coordinating with cross-functional teams.

Qualifications

• PhD in Chemistry or closely related field (Biochemistry, Analytical Chemistry, Research Sciences, Material Sciences, etc.) or MS degree in Chemistry or closely related field with 3+ years pharma/biopharma industry experience.
• Experience with chemical process development, scale-up, and unit operations.
• Knowledge of GLP and safety requirements.

Responsibilities

• Develop and optimize chemical processes across unit operations (reactions, extractions, distillations, crystallizations, filtrations, drying).
• Plan, analyze, and document lab experiments; write clear reports.
• Collaborate with cross-functional teams to deliver APIs/process intermediates.

Skills

Chemical process development

Scale-up experience

Laboratory safety & GLP

Data analysis & documentation

Cross-functional collaboration

Procedural compliance

Independence in lab systems

MS Office

Data analysis tools

Education

PhD in Chemistry

MS in Chemistry

Tools

MS Office

Data analysis tools

Job description

Parexel is seeking a Principal Scientist I for an onsite role at a client location in Rahway, NJ. This full-time position involves hands-on laboratory work to develop and optimize chemical processes from grams to multi-kilogram scales, with emphasis on safety, quality, and environmental considerations.

Responsibilities include planning experiments, analyzing data, and delivering robust processes while coordinating with cross-functional teams.