Merck & Co, Inc

Sr. Scientist, Analytical R&D

Merck & Co, Inc$117K — $184K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • PhD in Analytical Chemistry, Chemistry, or a related field; or MS with 4+ years of industry experience; or BS with 7+ years of industry experience.
  • Experience in mass spectrometry and proteomics experiments.
  • Familiarity with Thermo, Waters, and Sciex instruments.
  • Knowledge of Genedata or biopharma MS software.
  • Proven communication skills demonstrated through scientific publications and presentations.

Responsibilities

  • Conduct LC-MS based assays to support biologics programs.
  • Represent the mass spectrometry group in project teams.
  • Create technical reports and presentations.
  • Innovate and develop new technologies for mass spectrometry.
  • Process data with Genedata or similar software.
  • Demonstrate multitasking and problem-solving skills in experiments.
  • Ensure data integrity and compliance standards are met.

Benefits

  • Comprehensive medical, dental, and vision healthcare.
  • 401(k) retirement plan and other retirement benefits.
  • Paid holidays, vacation days, and sick days.
  • Eligibility for annual bonus and long-term incentives.
Full Job Description

Job Description

The Analytical Enabling Capabilities organization in Rahway, NJ is seeking an experienced and highly motivated scientist with strong technical expertise in mass spectrometry–based characterization of primary and higher-order structure of proteins, as well as protein conjugation. This role offers a unique opportunity to influence analytical strategies for the characterization of biotherapeutics, including emerging modalities, and to shape approaches for the analysis of process-related residuals and formulation excipients.

The successful candidate is expected to independently conduct mass spectrometry experiments to support multiple biologics programs, represent the team in cross-functional teams and develop new methods to solve current industry challenges. The work requires documenting experiments in electronic laboratory notebooks, authoring summaries to inform stakeholders, as well as presenting at seminars and publishing in scientific journals. The candidate with the right skills will also participate in optimizing our sample preparation, data processing and reporting strategies.

Primary Responsibilities

  • Perform LC-MS based assays including peptide mapping, intact mass, glycan characterization, host cell protein analysis or quantitation by MRM, PS80 characterization, in support of biologics programs

  • Represent the mass spectrometry group in cross functional project teams

  • Author technical reports and scientific presentations.

  • Explore and develop new technologies applicable to our field.

  • Perform data processing with Genedata or other biopharma data interpretation software.

  • Demonstrate effective multitasking, prioritization and problem-solving skills in the planning and execution of experiments.

  • Ensure high standards of data integrity and documentation. Champion compliance and safety as a leader both within and outside the laboratory.

Education Minimum Requirement:

  • PhD in Analytical Chemistry, Chemistry, or a related field; or

  • MS in Chemistry with 4+ years of relevant industry experience; or

  • BS in Chemistry with 7+ years of relevant industry experience.

Required Experience and Skills

  • Experience conducting mass spectrometry and proteomics experiments, including sample preparation and optimization, mass spectrometer operation and maintenance, and data interpretation and analysis.

  • Experience with Thermo, Waters, and Sciex instruments.

  • Familiarity with Genedata or other biopharma MS software.

  • Excellent verbal and written communication skills, as demonstrated through high impact scientific publications and presentations.

Preferred Experience and Skills

  • Expertise in proteomics or higher order structure by mass spectrometry.

  • Experience characterizing complex recombinant proteins

  • Good understanding of biologics development across multiple modalities, including mAb, fusion proteins, and ADCs.

  • Advanced knowledge of electronic laboratory notebook systems and best practices for scientific documentation.

Required Skills:

Analytical Chemistry, Analytical Method Development, Assay Development, Biochemical Assays, Cell-Based Assays, Chemical Biology, Chromatographic Techniques, Mass Spectrometry (MS), Nuclear Magnetic Resonance (NMR) Analysis, Peptide Mapping, Proteomics, Secondary Ion Mass Spectrometry (SIMS), Spectrometry, Ultra Performance Liquid Chromatography (UPLC)

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

The salary range for this role is

$117,000.00 - $184,200.00

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.

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:

06/23/2026

*A job posting is effective until 11:59:59PM on the day BEFOREthe 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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Keep up to date with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Engage with us through our careers blog and by participating in networking events and employment fairs. Subscribe to receive personalized job alerts and the latest news tailored to your preferences. Discover the exciting and rewarding opportunities that await at Merck & Co, Inc. Join us in our mission to improve health and wellness around the world.
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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