Principal Scientist I, II or III - Purification Chemist - FSP

Parexel International Pesquisas Clinicas LTDA.

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US - New Jersey - Client Onsite Until 8/31/2026 3+ years exp H-1B sponsor history First posted July 2, 2026 Last posted July 2, 2026
Job description

When our values align, there's no limit to what we can achieve.
 
At Parexel, we all share the same goal - to improve the world's health. From clinical trials to regulatory, consulting, and market access, every clinical development solution we provide is underpinned by something special - a deep conviction in what we do.

Each of us, no matter what we do at Parexel, contributes to the development of a therapy that ultimately will benefit a patient. We take our work personally, we do it with empathy and we're committed to making a difference.

We are looking to fill a Principal Scientist - Purification Chemist position working as a full-time employee of Parexel FSP on long-term 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.

Description - Purification Scientist within the Analytical Enabling Capability department.  Apply knowledge and skillsets in chromatography, organic chemistry, or biochemistry to execute the purification of API, reaction products, process intermediates, byproducts, or impurities in an R&D laboratory.

Qualifications - BS/MS /PhD in Chemistry or Biochemistry and relevant experience in chromatographic purification.

  • Principal Scientist I - PhD < 1 year experience; MS with 3+ years; BS with 7+ years

  • Principal Scientist II - PhD > 1 year experience; MS with 5+ years; BS with 10+ years

  • Principal Scientist III - PhD with 3+ years of experience, MS with 7+ years; BS with 12+ years

Required Skills and Experience

  • Experience in semi-preparative/preparative chromatographic purification from recent industry experience

  • Background in the separation of multicomponent mixtures

  • Strong laboratory skills, chromatographic skills, and wet chemistry skills

  • Strong technical problem-solving skills

  • Excellent verbal and written communication skills

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!

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

About this role

Summary

Conduct purification processes using chromatography in R&D for pharmaceutical projects.

Job title

Principal Scientist I, II or III - Purification Chemist - FSP

Experience level

3+ years

Minimum experience

3+ years exp

Industry

pharmaceutical

Location requirements

onsite in New Jersey, United States; no remote work

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

chromatographic purificationseparation of multicomponent mixtureslaboratory skillschromatographic skillswet chemistry skillsproblem-solvingcommunication

Preferred skills

None specified

Specializations

chromatographyorganic chemistrybiochemistrypurificationanalytical chemistry
Locations

Structured locations inferred from the posting.

Jersey City, NJ, USA

On-site City