Merck & Co, Inc

Director/Principal Scientist, Biologics Drug Substance Commercialization (BDSC)

Merck & Co, Inc$173K — $272K *
Pharmaceuticals & Biotech
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • BS, MS, or PhD in Chemical Engineering, Biological Engineering, Biochemical Engineering, or related discipline with 8-16+ years of relevant industry experience.
  • Deep technical expertise in cell culture process development and commercialization.
  • Demonstrated ability to design, direct, execute, and document process development stages independently.
  • Experience supporting biologics commercialization and late-stage development/commercial manufacturing.
  • Strong leadership and cross-functional collaboration skills.

Responsibilities

  • Lead upstream and integrated drug substance teams for late-stage clinical and commercial programs.
  • Provide technical leadership for process characterization and validation studies.
  • Serve as a subject matter expert on upstream core unit operations and their interdependencies.
  • Support technology transfer to internal and external manufacturing sites.
  • Drive division-wide initiatives to align with biologics commercialization strategies.
  • Mentor and develop a team of upstream scientists, promoting scientific rigor and professional growth.

Benefits

  • Opportunity to shape upstream strategies and lead high-impact scientific work.
  • Direct involvement with innovative multi-specific antibody therapeutics.
  • Collaborate with a wide range of internal stakeholders and external partners.
  • Support a culture of innovation and operational excellence within the organization.
Full Job Description
Job Description

Job Description Summary: Principal Scientist/Director, Biologics Drug Substance Commercialization

Join Our Company's Manufacturing Division as a Principal Scientist/Director in Biologics Drug Substance Commercialization (BDSC). This senior leadership role is responsible for driving late-stage and commercial biologics programs, focusing on upstream cell culture and commercialization. The position oversees a team of scientists, leads high-impact process development, and manages technology transfer and validation activities to support licensure and commercial manufacturing. Key responsibilities include providing technical leadership in process characterization, ensuring regulatory compliance, collaborating across cross-functional teams, and fostering innovation and operational excellence. Candidates should possess deep expertise in upstream biologics processing, proven experience in commercialization and scale-up, and strong leadership skills. Preferred qualifications include people management skills, hands-on experience with advanced antibody therapeutics, regulatory submissions, and familiarity with analytical methods, cGMPs, and lean leadership principles. Educational requirements include a BS, MS, or PhD in a relevant discipline with substantial industry experience.

Position Overview

Within Our Company's Manufacturing Division, Biologics Drug Substance Commercialization (BDSC) provides upstream process leadership and laboratory capabilities that advance late-stage pipeline and commercial drug substance manufacturing for biologics. The BDSC organization plays a critical role in enabling licensure and commercial supply by delivering second generation process development, robust process characterization, and seamless technology transfer to internal and external manufacturing sites.

The Principal Scientist/ Director position in BDSC-Upstream team is a senior scientific and leadership role supporting late stage and commercial biologics programs, with a primary focus on biologics upstream processing. This position offers the opportunity to lead high impact scientific work across complex modalities, including multi-specific antibody therapeutics-while developing talent and shaping upstream strategies that directly support global manufacturing and regulatory success. The Principal Scientist/ Director will serve as a key technical leader and collaborator across Manufacturing, Quality, Regulatory, and external partners.

Key Responsibilities

Scientific & Technical Leadership
  • Lead upstream and/or integrated drug substance teams supporting late-stage clinical and commercial programs, with clear line of sight to licensure and commercialization.
  • Provide technical leadership for laboratory scale and manufacturing scale studies supporting process characterization, validation, investigations, and continued process verification.
  • Serve as an upstream subject matter expert across core unit operations, with a strong understanding of downstream, analytical, and GMP manufacturing interdependencies.
  • Ensure process and product knowledge are developed, documented, and transferred in alignment with company standards and regulatory expectations.


Commercialization & Technology Transfer
  • Support technology transfer activities to internal and external manufacturing sites, including scale-up, process validation, and manufacturing readiness.
  • Contribute to manufacturing investigations and lifecycle management activities for commercial processes.
  • Author and review technical and regulatory documentation, including sections supporting regulatory submissions.


Strategic & Cross Functional Impact
  • Drive division wide initiatives aligned with biologics manufacturing and commercialization strategy.
  • Influencing multi-year planning: capability needs, digital systems, platform evolution.
  • Represent BDSC on cross functional and cross divisional teams.
  • Actively collaborate with internal stakeholders and external partners, including contract development and manufacturing organizations.


People Leadership & Development
  • Lead, coach, and mentor a team of upstream scientists, fostering scientific rigor, accountability, and professional growth.
  • Promote a culture of innovation, continuous improvement, and operational excellence within the laboratory environment.
  • Support the leadership team with resource planning, staffing strategies, and hiring decisions.
  • Support talent development strategy, including developing future technical leaders and building a talent pipeline.


Education
  • BS, MS, or PhD in Chemical Engineering, Biological Engineering, Biochemical Engineering, or a related discipline, with 16+ years (BS), 12+ years (MS), or 8+ years (PhD) of relevant industry experience.


Required Experience & Skills
  • Deep technical expertise in cell culture process development and commercialization.
  • Demonstrated ability to independently design, direct, execute, analyze, and document all stages of process development.
  • Experience supporting biologics commercialization, including late-stage development and/or commercial manufacturing.
  • Proven ability to prioritize and deliver complex objectives in fast paced, dynamic environments.
  • Strong leadership and collaboration skills within cross functional, matrixed organizations.
  • Action oriented, problem-solving mindset with a track record of innovation and continuous improvement.
  • Demonstrated commitment to coaching and mentoring scientific staff.
  • Excellent written and verbal communication skills, with the ability to clearly articulate process science and influence technical decision making.


Preferred Experience & Skills
  • Leadership experience on drug substance working groups or program teams.
  • Direct people management experience.
  • Hands-on experience with technology transfer, scaleup, and validation of biologics processes.
  • Experience developing or supporting multi-specific antibody therapeutics, including bispecific and other complex antibody formats.
  • Experience with late-stage process characterization, viral clearance studies, process performance qualification (PPQ), and validation.
  • Experience authoring regulatory submission content (e.g., BLA sections) and/or working with external development or manufacturing partners.
  • Working knowledge of analytical characterization of biologics, cGMPs, and U.S./EU regulatory expectations.
  • Experience applying lean leadership and operational excellence principles in laboratory or manufacturing environments.


Required Skills:
Biological Engineering, Biological Engineering, Biologics, Biopharmaceutical Manufacturing, Biopharmaceuticals, Bioprocess Engineering, Bioproduction, Biotechnology Manufacturing, Clinical Manufacturing, Commercialization, Cross-Functional Teamwork, Decision Making, Downstream Processing, Driving Continuous Improvement, External Manufacturing, Manufacturing Scale-Up, Mentorship, Next Generation Science Standards, Process Characterization, Process Control, Process Design, Process Development (PD), Process Optimization, Process Transfers, Product Development Lifecycle {+ 6 more}

Preferred Skills:

Employee Status:
Regular

Relocation:
Domestic

VISA Sponsorship:
No

Travel Requirements:
10%

Flexible Work Arrangements:
Not Applicable

Shift:
Not Indicated

Valid Driving License:
No

Hazardous Material(s):
n/a

Job Posting End Date:
09/16/2026
*A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

About Merck & Co, Inc

Schering-Plough Corporation is a major U.S.-based manufacturer of pharmaceuticals. It operates in three segments: Prescription Pharmaceuticals, Animal Health, and Consumer Health Care. Schering-Plough develops products targeting on allergy, cancer, hepatitis, cardiovascular, central nervous system, respiratory system, and more.  It was founded in 1851 by Ernst Christian Friedrich Schering as Schering AG in Germany. Schering-Plough manufactured several pharmaceutical drugs, the most well-known of which were the allergy drugs Claritin and Clarinex, an anti-cholesterol drug Vytorin, and a brain tumor drug Temodar. It also developed drugs targeting on central nervous system and the respiratory system. Schering Plough also owned and operated the major foot care brand name Dr. Scholl's and the skin care line Coppertone. These also became a part of the new company. Schering-Plough was a full member of the European Federation of Pharmaceutical Industries and Associations (EFPIA), a membership which is also maintained by the new Merck.

Merck & Co, Inc Careers

Join the visionary team at Merck & Co, Inc, a global leader in healthcare dedicated to advancing the world of medicine. As part of our professional community, you'll find dynamic job opportunities that foster innovation and leadership across various fields. Merck & Co, Inc is not just a company; it's a place where you can make a difference.

Work You’ll Do

At Merck & Co, Inc, we are committed to improving global health through groundbreaking research and innovative healthcare solutions. Our team is at the forefront of developing new therapies and vaccines that significantly impact public health worldwide. By joining us, you will collaborate with some of the brightest minds in the industry, using your skills to contribute to projects that save and improve lives around the globe.

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Whether you're seeking an internship, a graduate opportunity, or a professional position, Merck & Co, Inc offers a range of career paths in environments that promote rapid professional growth and development. Explore job opportunities in research, digital transformation, manufacturing, and more, all while benefiting from a culture that supports diversity and inclusion.

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Merck & Co, Inc is an ideal environment for those who lead with curiosity and the drive to innovate. Our leadership is committed to fostering a culture where inventive thinking and collaboration are encouraged, making it a perfect place for professionals who seek to make an impact through their work.

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We understand that our employees are our greatest asset, which is why we offer competitive benefits designed to support the health and well-being of you and your family. From comprehensive health care coverage and retirement plans to flexible working conditions and wellness programs, our benefits package is designed to meet the diverse needs of our team members.

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Learn more about Merck & Co, Inc
Size
68,000 employees
Market Cap
$282.6 billion
Industry
Net Income
$7 billion
Founded
1668
5 Year Trend
+4.1%
Revenue
$47.9 billion
NASDAQ

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