Principal Process Chemist – API Scale-Up & Safety

Parexel; City of Albany (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Parexel is seeking a Principal Scientist I to join our FSP team on assignment at a client site in Rahway, NJ. This is a full-time, onsite role offering comprehensive benefits, sick time, 401K, paid holidays and PTO. Sponsorship is not available.

The role focuses on developing and optimizing chemical processes for APIs, spanning grams to multi-kilogram scales. You will work in a lab-heavy environment, documenting experiments and delivering robust process improvements within GLP/GMP frameworks.

Qualifications

• PhD in Chemistry or closely related field; or MS with 3+ years pharma/biopharma experience.
• Experience with chemical process development, scale-up, and unit operations.
• Strong lab skills, data generation and documentation in GLP/GMP contexts.
• Ability to work in fast-paced, regulated lab environments with minimal supervision.

Responsibilities

• Lead chemical process development and scale-up activities.
• Operate and troubleshoot laboratory reactors/equipment and process analytics.
• Plan, analyze, and document experiments; prepare clear reports.
• Collaborate with cross-functional teams to advance APIs from R&D to late-stage development.

Skills

Chemical process development

Scale-up expertise

GLP knowledge

Data analysis

Laboratory skills

Documentation

MS Office proficiency

Cross-functional collaboration

DoE familiarity

Education

PhD in Chemistry

MS in Chemistry

Tools

Laboratory reactors/equipment

Analytical instruments

Job description

Parexel is seeking a Principal Scientist I to join our FSP team on assignment at a client site in Rahway, NJ. This is a full-time, onsite role offering comprehensive benefits, sick time, 401K, paid holidays and PTO. Sponsorship is not available.

The role focuses on developing and optimizing chemical processes for APIs, spanning grams to multi-kilogram scales. You will work in a lab-heavy environment, documenting experiments and delivering robust process improvements within GLP/GMP frameworks.