Principal Scientist III - Synthetic Chemist - FSP

New Jersey

We are looking to fill a Principal Scientist position working as a full-time employee of Parexel FSP on assignment onsite at one of our clients located in Rahway, NJ. This position offers full benefits, sick time, 401K, paid holidays, and paid time off. This position does not offer sponsorship .

Description

The Process Chemistry department of one of our clients in Rahway, NJ is seeking a highly motivated and experienced chemist who is looking for an opportunity to support the development, characterization, and commercialization of chemical manufacturing processes.

Responsibilities

  • Laboratory-based support of process development, characterization, and commercialization of small molecule manufacturing processes

  • Laboratory work with a large variety of chemicals, using a diverse set of modern manual and automated laboratory equipment, and leveraging an array of analytical technology

  • Non-lab-based work includes experimental planning, data analysis, and experiment documentation; review of peer work, and writing clear and concise development reports

Qualifications

  • Principal Scientist III - PhD degree in Chemistry with 3+ years of professional experience in pharma/biopharma industry; or MS degree in Chemistry with 7+ years of experience, or BS degree with 12+ years of experience

Required Skills and Experience

  • Training must be in the field of organic synthesis, including synthetic methodology, catalysis, or total synthesis

  • Demonstrably clear track record of both complex molecule synthesis and solving synthetic chemistry problems

  • Experience in organic chemistry, organic synthesis, synthetic methodology, catalysis (including chemocatalysis, biocatalysis, and heterogeneous catalysis), total synthesis, physical organic chemistry, or flow chemistry

  • Significant experience in chemical synthesis, compound purification, and analytical characterization, including HPLC (High-Performance Liquid Chromatography, MS (Mass Spectrometry), and NMR (Nuclear Magnetic Resonance) techniques

  • The ability to design and execute new synthetic routes to novel compounds

  • Experience in process characterization, including Design of Experiments, fate and purge studies, and chemical marker preparation

  • Strong written and oral communication skills and the ability to work effectively and with urgency in a collaborative and diverse team environment

  • The ability to work independently with minimum supervision of daily tasks

About Parexel

Parexel FSP includes the CMC Operations group. We provide pharmaceutical and biopharmaceutical companies with qualified and talented technical professionals to support the development and delivery of new therapies.

For results-driven and caring individuals who want to make a meaningful difference in the world, Parexel is trusted by life sciences companies to meet their long-term staffing needs for scientists and engineers and related professionals in discovery and development of novel therapies, keeping patients at the center of everything we do, and where an inclusive community helps you be your best, transforming any career into a life-changing achievement.

Come join us!

#LI-DK1

EEO Disclaimer

Parexel is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to legally protected status, which in the United States includes race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

Posted 2026-06-24

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