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MSD in Rahway, NJ is looking for a Principal Scientist to define and lead the Raw Materials Center of Excellence strategy. You will establish harmonized, science- and risk-based control and release testing across our clinical portfolio including small molecules, biologics, and vaccines.
The role requires serving as the technical authority on raw materials, ensuring cGMP compliance, inspection readiness, and alignment with GMPs, ICH, USP/NF, and FDA guidelines while mentoring scientists and
Job Description The Pharmaceutical Analysis and Digital Technologies (PADT) team has an opening for a Principal Scientist based in Rahway, NJ. In this role, the Principal Scientist will define and lead the strategy for the Raw Materials Center of Excellence (CoE), establishing harmonized, science- and risk-based approaches to raw material, excipient, and package component control and release testing across the entirety of our clinical portfolio including small molecule, biologics, and vaccines. The Principal Scientist will serve as the technical authority for raw materials, ensuring that CoE standards, processes, and testing strategies support cGMP compliance, operational excellence, and a constant state of inspection readiness. The Principal Scientist should be engaged in regulatory, compendial, and industry trends and have thorough working knowledge of GMPs, ICH, USP/NF, and relevant FDA guidelines. In addition, the Principal Scientist will partner with Analytical leadership across all modalities and cross-functional stakeholders in Quality, Procurement, Materials Management, and Pharmaceutical Sciences to translate portfolio and supply needs into a multi-year CoE roadmap. The role will influence without direct authority, mentor scientists to build technical capability, and drive risk assessment, resource and capacity planning, and continuous improvement initiatives for the CoE.
Extensive expertise in the analytical testing of raw materials, excipients, and/or package components, preferably within a cGMP environment, with comprehensive knowledge of GMPs, ICH guidelines, compendial requirements, and applicable FDA guidance Demonstrated ability to develop and execute technical strategy and to exercise influence without direct authority within a matrixed organization Excellent scientific communication, creativity, and interpersonal skills Proven experience mentoring scientists and collaborating cross-functionally to deliver high-quality results within established timelines Strong coaching and collaboration skills, with the ability to work effectively in a team-based, cross-functional environment
Though not required, the ideal applicant would have experience establishing or leading a center of excellence or global harmonization initiative, risk-based raw material control strategies (e.g., reduced testing or supplier qualification programs), and contract laboratory oversight. Familiarity with compendial monograph changes, data/digital solutions for lab operations, and package or medical device components is a plus.
The salary range for the primary location of this role is: $156,900.00 - $247,000.00 This range reflects the Company's reasonable expectation of the base salary applicable to this role at the time of posting.
The successful candidate will be eligible for annual bonus and long-term incentive, if applicable. We offer a comprehensive package of benefits.
More information about benefits is available at https://jobs.merck.com/us/en/compensation-and-benefits.
The primary location for this posting is: USA - New Jersey - Rahway
Where required by law, the compensation range for this role is provided below. The salary range for the primary location of this role is: $156,900.00 - $247,000.00 This range reflects the Company's reasonable expectation of the base salary applicable to this role at the time of 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.
Additional location(s): Please note the salary range above applies to the Primary Location of the position. Where a role has other listed locations, different compensation guidelines may apply. You may find the salary ranges for additional locations below. If the salary range is not listed for the location you are applying to, our Talent Acquisition team will provide further information to you relevant to your location.
Additional location(s) Compensation Information: 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
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. 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
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Employee Status: Regular Relocation: VISA Sponsorship: Travel Requirements: Flexible Work Arrangements: Not Applicable Shift: Valid Driving License: Hazardous Material(s): Job Posting End Date: 12/11/2026 *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.
Our company is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where we have codified our legacy for over a century. Our success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.