Principal Scientist I: Process Chemistry & Scale-Up

Parexel; Jackson (MS); On-site; USD 110,000 - 160,000; 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 for a full-time role onsite at a client site in Rahway, NJ. The position emphasizes hands-on chemical process development, scale-up, and collaboration within cross-functional teams, with a focus on safety, quality, and regulatory compliance.

The candidate will work in a fast-paced lab, developing APIs through the R&D pipeline, from gram to multi-kilogram scales, and will document findings and optimize processes for robust yield and environmental

Qualifications

• PhD in chemistry or related field, or MS with 3+ years pharma/biopharma exp.
• Experience in chemical process development and scale-up.
• Strong lab skills with GLP/GMP familiarity.
• Ability to work in a fast-paced, regulated lab with minimal supervision.
• Proficiency with MS Office and data analysis tools.

Responsibilities

• Develop and optimize chemical processes from grams to multi-kilogram scales.
• Plan, execute, and document lab experiments and analyze data.
• Collaborate with cross-functional project teams.
• Ensure safety, quality, and environmental considerations.

Skills

Process development

Scale-up

GLP compliance

Data analysis

MS Office

Laboratory safety

Communication

Education

PhD in Chemistry or related field

MS in Chemistry with pharma exp

Tools

Mettler Toledo EasyMax/Optimax

HPLC

GC

FTIR

Raman

PVM

Job description

Parexel is seeking a Principal Scientist I for a full-time role onsite at a client site in Rahway, NJ. The position emphasizes hands-on chemical process development, scale-up, and collaboration within cross-functional teams, with a focus on safety, quality, and regulatory compliance.

The candidate will work in a fast-paced lab, developing APIs through the R&D pipeline, from gram to multi-kilogram scales, and will document findings and optimize processes for robust yield and environmental