17d ago
New

Senior Principal Scientist, Upstream Process Development Group Lead

Usa - New Jersey - Rahwaysenior
OtherDevelopment
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Quick Summary

Key Responsibilities

Serve as a scientific leader to shape and drive innovation across the Biologics pipeline, strategy, and science.

Requirements Summary

Ph.D. with 10+ years, MS with 12+ years, or BS with 14+ and Ph.D. with 6+ years MS with 8+ years,

Technical Tools
OtherDevelopment

Our Scientists are our Inventors. Through innovative thinking, state-of-the-art facilities, cutting-edge science, and technology, we collaborate to deliver the next medical breakthroughs. We are looking for a collaborative, self-motivated scientific leader with expertise in downstream bioprocessing to join Biologics Process Research & Development (BPR&D) as a Senior Principal Scientist.

BPR&D within our Research & Development Division is committed to rapidly delivering biotherapeutics to patients by efficiently developing innovative and robust manufacturing processes and technologies. To achieve our goals, we work closely with colleagues in Discovery, Pre-clinical, Early Development, Analytical, Formulation, and Commercial Manufacturing, all within an inclusive environment. In addition to process development for pipeline biologics, we are focused on innovating and building next-generation biomanufacturing technologies. This includes investments in continuous manufacturing, green and sustainable processes, and proprietary technology platforms. We actively publish and engage with the scientific community to influence the field.

As a Senior Principal Scientist/Principal Scientist, you will drive various strategic initiatives and translate strategies into implementation for Biologics platform. You will collaborate with an immensely creative and collaborative team of scientists and engineers to design upstream, cell-culture processes while developing technical strategies related to upstream processing and recombinant expression of drug candidates in early- and late-stage development.

Responsibilities

~1 min read
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    Serve as a scientific leader to shape and drive innovation across the Biologics pipeline, strategy, and science.

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    Anticipate and solve scientific and technical challenges across projects and functional teams, in a fast-paced, multidisciplinary environment.

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    Lead the development of robust and scalable upstream processes for biologics in various stages of clinical development, as well as process characterization and regulatory filings for successful commercialization.

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    Improve upstream processes by increasing efficiency and cost-effectiveness through research and innovation, while evaluating technologies and industry best practices.

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    Collaborate with academia, industry, and vendors to facilitate the development and early adoption of novel process technologies.

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    Contribute to strategic initiatives; work with senior leaders to establish overall project strategy and guide teams in its execution.

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    Conceptualize, plan, and execute projects using effective organizational, prioritization, and problem-solving skills.

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    Stay updated on the scientific and regulatory landscape; contribute scientifically and build your reputation through conference participation.

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    Represent BPR&D as a upstream bioprocess expert/co-leader in internal and cross-functional project teams.

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    Direct supervision of 3-5 scientists, accountable for development and growth of a cohesive group and direct reports

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    Mentor and actively share expertise across teams; guide career development within and outside the group; build strong, collaborative connections in matrix teams

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    Champion compliance and safety while promoting a culture of inclusion.

Requirements

~1 min read
  • Ph.D. with 10+ years, MS with 12+ years, or BS with 14+ and Ph.D. with 6+ years

  • MS with 8+ years, or BS with 10+years of industry experience in Chemical/Biochemical Engineering

  • Or a related field for Senior Principal Scientist position and Principal Scientist position, respectively.

Regular

Nice to Have

~1 min read
  • Leadership of CMC development teams.

  • Experience with continuous biomanufacturing integrated with process-analytical technologies.

  • Knowhow of intensified inoculum and perfusion process development.

  • Expertise in media/feed development and relevant chemistry.

  • High-throughput experimentation, automation, and process control.

  • Knowledge of microbial fermentation.

  • Cell culture predictive modeling (omics (transcriptomics, metabolomics, or/and proteomics), metabolic flux analysis); statistics, data-science, machine learning, artificial intelligence.

  • Process characterization and validation, CDMO supervision, commercialization of biologics.

Current Employees apply HERE

Current Contingent Workers apply HERE

Bioanalytical Techniques, Biologics, Bioprocess Engineering, Bioreactors, Business Process Documentation, Cell Culture Techniques, Chemistry, Commercialization, Downstream Processing, Evaluating New Technologies, Exercises Judgment, Experimentation, Good Laboratory Practices (GLPs), Intellectual Curiosity, Matrix Management, Process Development (PD), Process Implementations, Process Scale Up, Protein Characterization, Protein Isolation, Research Programs, Technology Development

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 salary range for this role is

$190,800.00 - $300,300.00

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this 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.

You can apply for this role through https://jobs.merck.com/us/en (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting.

Not Applicable

10/10/2026

Location & Eligibility

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

Listing Details

Posted
September 14, 2026
First seen
October 1, 2026
Last seen
October 1, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
17%
Scored at
October 2, 2026

Signal breakdown

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Senior Principal Scientist, Upstream Process Development Group Lead