Principal Scientist I - Synthetic Chemist, Process Development Engineering & Safety - FSP
Parexel · Posted Nov 6, 2026
- Rahway, New Jersey, United States
- On-site
- Full-time · Senior
- 3+ years
A Principal Scientist I focused on synthetic chemistry, process development engineering, and safety, working onsite at a client location in Rahway, NJ.
Compensation
This position offers full benefits, sick time, 401K, paid holidays, and paid time off.
Responsibilities
- Develop and optimize therapy development that ultimately benefits patients
- Execute reactions, extractions, distillations, crystallizations, and drying
- Support scale-up from grams to multi-kilogram scales
- Troubleshoot issues and improve process robustness
- Perform process safety evaluations and hazard analysis
Requirements
- PhD in Chemistry or closely related field
- MS degree in Chemistry or closely related field
- Nice to have: Design of Experiments (DoE)
- Nice to have: Mathematical modeling
- Nice to have: Process simulation