11h ago
New
$173,200.00 - $272,600.00/yr

Principal Scientist, Upstream Process Development

Usa - New Jersey - Rahwaylead
Other
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Quick Summary

Key Responsibilities

The successful candidate will contribute to CMC development of our Company's pipeline,

Requirements Summary

Experience with state-of-the-art cell culture processes including intensified inoculum and perfusion process development. Experience with high throughput microbioreactor systems, an

Technical Tools
Other

The Biologics Process Research & Development organization within our Company's Research Labs is responsible for developing the drug substance manufacturing processes for our Company's biologics pipeline. We work closely with colleagues in Discovery, Pre-clinical and Early Development to rapidly develop manufacturing processes for varied biotherapeutics and efficiently manufacture material to supply clinical trials. We are also responsible for late-stage process development and process characterization to prepare for commercial manufacturing.  We work with our partners in our Company Manufacturing Division to commercialize and launch new products.


We are seeking a highly motivated and experienced individual to join our team as a Principal Scientist. In this role, the successful candidate will lead cross-functional teams to develop CMC packages for our pipeline assets.  The successful candidate will also collaborate with fellow Bioprocess Development colleagues to develop and refine technical strategy related to next generation processing for assets in early- and late-stage clinical development. Applicants must have effective organizational and multi-tasking skills, demonstrated excellent scientific leadership, and superior written and oral communications abilities. A track record of leveraging data science and digital tools for delivering impactful solutions to complex problems are distinguishing. Evidence of strong cross-functional collaboration, experience successfully mentoring junior scientist, leading projects, and strong external presence through scientific excellence are expected.


Responsibilities

~1 min read

The successful candidate will contribute to CMC development of our Company's pipeline, playing an active role in development of cell culture processes and transfer to clinical and commercial manufacturing sites. They will also develop strategies for process and pipeline-facing innovation. Responsibilities include:


  • →Leading biologic upstream process development for first-in-human and commercial processes by efficiently developing high yield, robust and scalable cell culture processes.
  • →Providing technical direction for process development, characterization, commercialization, and regulatory filing activities to ensure a smooth and clear path to successful PPQs an BLAs for our company pipeline.
  • →Advancing upstream platform process technical strategy and championing creative process improvement initiatives
  • →Initiating new collaborations to assess new technologies and industry strategies with relevance to our Company.
  • →Collaborating with academia, industry partners, and vendors to drive development, innovation and adoption of new process technologies with broad impact to projects or platform.
  • →Keeping current with the external patent and literature environment; actively presents and publishes externally and pursues patenting strategies.
  • →Mentoring and educating junior scientists


Ph.D. with 6+ years of industry experience or Master with 8+ years industry experience in Chemical Engineering, Bioengineering, Biochemistry or a related field.


Requirements

~1 min read
  • Experience with state-of-the-art cell culture processes including intensified inoculum and perfusion process development.
  • Experience with high throughput microbioreactor systems, and advanced in situ analytics for process monitoring and control.
  • Expertise in media development, media/solution chemistry.
  • Background in data science approaches related to cell culture and predictive modeling e.g., metabolic flux analysis (MFA), omics, machine learning; experience integrating PAT efforts) and computational fluid dynamics (CFD).
  • Experience leading cross functional, program development teams.

Regular

10%

Biologics, Bioreactors, Biotherapeutics, Cell Culture Process Development, Cell Line Development, Combination Products, Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA), Pharmaceutical Process Development, Process Characterization, Process Development (PD), Product Development Lifecycle, Regulatory Filings, Technology Transfer

Nice to Have

~1 min read

Current Employees apply HERE

Current Contingent Workers apply HERE

Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here if you need an accommodation during the application or hiring process.

As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics.  As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities.  For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit:

EEOC Know Your Rights

EEOC GINA Supplement​

We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively.

Learn more about your rights, including under California, Colorado and other US State Acts


The primary location for this posting is:

USA - New Jersey - Rahway

Where required by law, the compensation range for this role is provided below.


The salary range for the primary location of this role is:

$173,200.00 - $272,600.00

This range reflects the Company's reasonable expectation of the base salary applicable to this role at the time of posting. An employee’s position within the salary range will be based on several factors including, but not limited to relevant education, qualifications, certifications, experience, skills, geographic location, government requirements, and business or organizational needs. The successful candidate will be eligible for annual bonus and long-term incentive, if applicable.


We offer a comprehensive package of benefits. Available benefits include medical, dental, vision healthcare and other insurance benefits (for employee and family), retirement benefits, including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at https://jobs.merck.com/us/en/compensation-and-benefits.


What We Offer

~1 min read

Domestic

Yes

Not Applicable

Not Indicated

No

n/a

11/28/2026

Location & Eligibility

Where is the job
Usa - New Jersey - Rahway
On-site at the office
Who can apply
Same as job location

About this job

Pay per year
$173,200–$272,600 a year
227% above the $68,210 median for Other jobs on Jobera (133,430 salaries).
Posted
Today
Employer
has 2,409 open jobs on Jobera in 4 countries.

Listing Details

Posted
November 3, 2026
First seen
November 3, 2026
Last seen
November 3, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
63%
Scored at
November 3, 2026

Signal breakdown

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Principal Scientist, Upstream Process Development$173,200.00 - $272,600.00