Merck & Co, Inc

Principal Scientist, Small Molecule Analytical Chemistry

Merck & Co, Inc • $173K — $272K *
Pharmaceuticals & Biotech
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • PhD in Analytical Chemistry or related field with 7+ years of experience; or MS with 10+ years.
  • Extensive hands-on experience with analytical techniques like UHPLC/HPLC, Gas Chromatography, and UV/IR spectroscopy.
  • Proven track record in method development and validation.
  • Experience authoring CTD sections for regulatory submissions (IND, NDA, MAA, etc.).
  • Strong problem-solving skills and effective communication abilities.
  • Experience in mentoring and leading scientific teams.
  • Significant experience in analytical technology transfers.

Responsibilities

  • Lead a team in analytical method development and validation in a cGMP environment.
  • Oversee drug product characterization, stability studies, and specification development.
  • Support manufacturing process scale-up and validation efforts.
  • Prepare CMC documents for global regulatory submissions and address regulatory inquiries.
  • Collaborate with cross-functional teams in technical, regulatory, and manufacturing areas.
  • Coordinate drug product development efforts and manage multiple projects.
  • Mentor scientists and enhance the scientific capabilities of the organization.

Benefits

  • Comprehensive medical, dental, and vision insurance for employees and families.
  • Retirement benefits including 401(k) plans.
  • Paid holidays, vacation, and sick days.
  • Access to annual bonuses and long-term incentives.
  • Commitment to inclusion and accommodations during the hiring process.
Full Job Description

Job Description

We are seeking a Principal Scientist to join our Analytical Commercialization Technology (ACT) group within Analytical Chemistry in Development and Supply (ACDS) at our Rahway, NJ and West Point, PA sites. This is an exciting opportunity to lead a highly collaborative team of scientists utilizing innovative analytical characterization technologies to drive late-stage small molecule pharmaceutical drug product development and commercialization.


The Principal Scientist responsibilities include, but not limited to, analytical method development and validation, drug product testing and analytical investigations in a cGMP environment, drug product and manufacturing process characterization, drug product stability studies, specification development, manufacturing process scale-up and validation support, preparation of Chemistry, Manufacturing, and Controls (CMC) documents for global regulatory submissions, and responses to regulatory questions.

The successful candidate must be able to collaborate in a dynamic, integrated, and multidisciplinary team environment. Effective interaction with other technical, regulatory, research and manufacturing groups is critical. The incumbent is required to work with teams to effectively coordinate drug product development efforts and lead the progress for multiple projects. The incumbent is also expected to mentor other scientists as well as build/maintain the scientific capabilities of our organization.


Responsibilities

  • Lead a team of scientists in analytical method development and validation, drug product testing, and analytical investigations in a cGMP environment.
  • Oversee drug product and manufacturing process characterization, stability studies, and specification development.
  • Support manufacturing process scale-up and validation.
  • Prepare Chemistry, Manufacturing, and Controls (CMC) documents for global regulatory submissions and respond to regulatory questions.
  • Collaborate effectively with technical, regulatory, research, and manufacturing groups.
  • Coordinate drug product development efforts and lead progress for multiple projects.
  • Mentor other scientists and build/maintain the scientific capabilities of our organization.

Qualifications

Required

  • PhD in Analytical Chemistry or related discipline with seven or more (7+) years of relevant small molecule pharmaceutical development experience; OR MS with ten or more (10+) years.
  • Strong background and extensive hands-on experience with common analytical techniques such as Ultrahigh/High-Performance Liquid Chromatography (UHPLC/HPLC), Dissolution, Gas Chromatography, Ultraviolet (UV) and Infrared (IR) spectroscopy, and Karl Fischer titration.
  • Extensive experience with method development and validation.
  • Significant experience authoring relevant CTD sections of regulatory submissions (IND, NDA, MAA, JNDA, etc.).
  • Demonstrated problem-solving ability.
  • Excellent verbal and written communication skills, demonstrated creativity, and strong interpersonal skills.
  • Ability to work in a team environment with cross-functional interactions.
  • Experience in mentoring and leading teams.
  • Significant experience in analytical technology transfers.
  • Demonstrated effective planning and execution of regulatory strategies.

 

Preferred

  • Experience with hyphenated analytical techniques such as LC/MS and GC/MS with proven ability in troubleshooting these methodologies.

 


Required Skills:

Academic Presentations, Bioconjugation, Computational Chemistry, Creativity, Data Analysis, High-Throughput Experimentation (HTE), Organic Synthesis, Professional Networking, Project Leadership, Research Proposal Development, Scientific Leadership, Scientific Literature Search, Strategic Thinking, Structure Based Drug Design, Synthetic Chemistry

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

US and Puerto Rico Residents Only:

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.

The salary range for this role is

$173,200.00 - $272,600.00

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.

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:

1st - Day

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

10/16/2026

*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.

Explore Career Paths

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.

Innovate and Lead

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.

Develop Your Skills

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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