Merck & Co, Inc

Associate Principal Scientist, Preclinical Development

Merck & Co, Inc • $142K — $224K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Ph.D. in Chemical Engineering, Biomedical Engineering, Pharmaceutical Sciences, or related field with 3+ years of industry experience, or B.S./M.S. with 8+ years of relevant experience.
  • Expertise in biologics process development, particularly for late-stage programs.
  • Proven ability to lead formulation development in matrix team environments.
  • Recognized technical expert with a strong track record in product development and regulatory filings.
  • Broad knowledge of formulation science and drug development processes.
  • Strong verbal and written communication skills.
  • Experience with external publications and patents in the field.

Responsibilities

  • Lead innovative approaches for biologics sterile product development through experimental design and data analysis.
  • Support early and late-stage development candidates, focusing on robust drug product composition and scalable processes.
  • Build deep knowledge around drug products to meet key milestones and documentation requirements.
  • Provide strategic and technical leadership on program development teams, collaborating across functions.
  • Champion organizational strategic and innovation objectives aligned with company goals.
  • Initiate and mentor team members, demonstrating a strong desire to learn and contribute.
  • Oversee project activities at external manufacturing sites, including tech transfers.

Benefits

  • Opportunity to work on cutting-edge biologics development.
  • Engagement in strategic leadership and innovation initiatives.
  • Collaboration with diverse teams across functions.
  • Potential for professional growth through mentoring and leadership roles.
  • Involvement in patenting and publishing research to enhance professional image.
Full Job Description

Job Description

The Sterile Product Development (SPD) group is responsible for developing non-oral dosage forms (injections, implants, inhaled, ocular) for small, intermediate, and large molecules from preclinical toxicology studies to commercialization. Our development teams ensure robust composition, primary packaging/device, and process selection through deep fundamental understanding and characterization such that the process is scalable without compromising stability, safety, efficacy, and delivery. During development, we leverage smart experimental design, cutting edge analytical tools, and predictive approaches to inform molecule, formulation and process selection. In summary, our team enables the translation of preclinical candidates into non-oral drug products. 

Our team is looking for a candidate for the position of Associate Principal Scientist (R4) supporting the Biologics & Biopharmaceutics Team within Sterile Product Development.  

Primary duties: 

  • Lead/ contribute towards the new, innovative approaches for biologics sterile product development through the generation of experimental designs, execution of experimental plans and data analysis 
  • Support both early and late-stage development candidates, including screening and development of robust drug product composition, scalable process, primary packaging, compatibility characterization for processing and administration, and supporting regulatory filings.  
  • Build deep fundamental knowledge around the drug product to ensure completion of key milestones and laboratory / regulatory documentation.  
  • Active strategic and technical leadership on program development teams, interfacing with key stakeholders, and collaborating across functions to drive defined milestones will be required. 
  • Responsible for leading and championing organizational strategic and innovation objectives aligned with organizational goals.  
  • Be willing to take initiative, motivated to excel, have a strong technical background, have excellent communication and interpersonal skills, ability to multi-task, mentor scientists, and a strong desire to learn and contribute. 
  • Leads project activities at external manufacturing sites including tech transfers 
  • Enhance our Company's professional image and competitive advantage through patents, presentations, publications and professional activities and advance areas such as science and technology development, technical and business strategic improvements, business process innovations 
  • Maintain awareness of relevant new and current technologies, capabilities, and effectively share this knowledge with others 

​Education Minimum Requirement:  

Ph.D. in Chemical Engineering, Biomedical Engineering, Pharmaceutical Sciences or related discipline with a minimum of 3 years relevant industry experience.  B.S. or M.S. degree in Engineering, Pharmaceutical Sciences or related discipline with minimum of 8 years relevant industrial experience. 

 

Required Experience and Skills:   

  • Experienced in biologics process development and characterization particularly for late-stage programs 
  • Capable of leading formulation development activities in matrix team environments to define a robust formulation and manufacturing process 
  • Recognized as a technical expert and scientific contributor with proven ability to identify and develop innovative ideas 
  • Has broad knowledge of formulation science and in depth-knowledge in multiple areas, including core understanding of the drug development process 
  • Track record of working effectively with team-members of diverse skill sets and backgrounds 
  • Strong verbal and written communication skills 
  • The candidate should have a strong track record in product development/ regulatory filing/ drug delivery/ complex formulation and process development/ characterization reflected through industry experience and external publications/ patent.  

 

Preferred Experience and Skills: 

  • Prior experience leading development projects at an enterprise level 
  • Capable of mentoring individuals in a peer-to-peer fashion and as a technical mentor 
  • Recognized as a subject matter expert in at least one drug delivery and/or manufacturing technology 
  • Demonstrated ability to identify, fundamentally characterize and address manufacturing challenges through the development and optimization of novel production technologies. 
  • Desire to build new capabilities through the evaluation of new technologies and hands-on optimization of existing technologies. 
  • Prior experience with process scale-up, modeling, regulatory filings and/or driving key capability evaluation/ build would be highly preferred. 

#EligibleforERP

Required Skills:

Biologics, Biologics, Biotechnology, Chemical Engineering, Clinical Development, Design of Experiments (DOE), Detail-Oriented, Drug Development, Drug Formulations, External Manufacturing, Formulation Development, Interpersonal Relationships, Leading Project Teams, Manufacturing Documentation, Manufacturing Strategies, Matrix Management, Molecular Biology, Pharmaceutical Formulations, Pharmaceutical Process Development, Pharmaceutical Product Development, Pharmaceutical Products, Pharmaceutical Research, Pharmaceutical Sciences, Pharmaceutics, Physical Characterization {+ 4 more}

Preferred Skills:

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Current Contingent Workers apply HERE

San Francisco Residents Only: We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance

Los Angeles Residents Only: We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance

Search Firm Representatives Please Read Carefully 
Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company.  No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails. 

Employee Status:

Regular

Relocation:

Domestic

VISA Sponsorship:

Yes

Travel Requirements:

10%

Flexible Work Arrangements:

Not Applicable

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

10/13/2026

*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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With Merck & Co, Inc, you are not just getting a job; you're gaining access to unparalleled career development opportunities. Enhance your skills through diverse training programs, workshops, and continuous learning courses designed to help you grow at every stage of your career.

Benefits and Culture

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.

Join Our Team

Ready to advance your career at Merck & Co, Inc? Search open positions that match your skills and interests. We are continuously hiring and looking for passionate, creative, and solution-driven team players. Prepare your resume, sharpen your interview skills, and become part of a company that's dedicated to making a difference.

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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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