Associate Principal Scientist, Pharmacokinetics

Msd; Pennsylvania; Hybrid; USD 142,000 - 224,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) retirement plan

Paid holidays

Vacation and sick days

Job summary

MSD West Point seeks an Associate Principal Scientist in Pharmacokinetics, Dynamics, Metabolism, and Bioanalytics. You will drive DMPK-focused discovery and translational modeling for diverse therapeutics, collaborating across disciplines and guiding PK/PD strategy and DDI risk assessment.

The role emphasizes leadership, cross-functional teamwork, and strong communication to support regulatory filings and clinical development decisions in a fast-paced environment.

Qualifications

• B.S. or Master’s with 8+ years relevant experience, or Ph.D. with 5+ years of industry experience in therapeutics discovery and development.
• Experience integrating preclinical DMPK and pharmacology to enable translational modeling and simulation for dose selection, PK/PD, and safety.
• Experience with authoring documents in support of IB, IND, and regulatory inquiries.
• Demonstrated leadership and collaboration across multidisciplinary discovery and development teams.

Responsibilities

• Collaborate in fast-paced, cross-functional teams to advance discovery and clinical development of therapeutics.
• Guide design and interpretation of in silico, in vitro, and in vivo analyses for DMPK profiling.
• Assess DDI risk using static and PBPK models and advise on DDI strategies.
• Author reports and documents to support regulatory filings (IB/IND/WMA).
• Identify program risks and develop mitigation strategies to enable progress.

Skills

Bioanalytical Techniques

Cell-Based Assays

Clinical Development

DMPK

Drug Development

Flow Cytometry

Immunoassays

LC-MS

Education

Pharmaceutical Sciences / Pharmacology / Biomedical Engineering / Biochemistry

Job description

Associate Principal Scientist, Pharmacokinetics*This site uses cookies to provide you with an optimal user experience. The cookies include Strictly Necessary and Functional cookies to ensure the site operates as intended (language preference, time zone and workload balance). These cookies are first party cookies, end with the session and are exempted from consent. In addition, this site also uses a Google Analytics Cookie to measure and improve the performance of our site. All information these cookies collect is aggregated and therefore anonymous. By clicking on the ‘Accept Cookies’ button, you are accepting this Performance cookie. You may use this site if you click on the ‘Reject Cookies’ button. To revoke your consent of the Performance cookie, clear your cookies within your browser settings.*### Associate Principal Scientist, PharmacokineticsApply: Hybrid: USA - Pennsylvania - West Point: Full time: Posted Yesterday: End Date: November 16, 2026 (12 days left to apply): R425052**Job Description**The Pharmacokinetics, Dynamics, Metabolism, and Bioanalytics (PDMB) function of our Research & Development Division in West Point, Pennsylvania, is seeking a dynamic and collaborative scientist for the Drug Metabolism and Pharmacokinetics (DMPK) group. The Associate Principal Scientist will be a key contributor to multi-disciplinary drug development and discovery efforts providing an integrated understanding of DMPK properties, pharmacokinetics/pharmacodynamics (PK/PD), and drug interaction (DDI) risk of novel therapeutics.The key responsibilities will be to work within teams of highly collaborative, cross-functional scientists to contribute to the discovery and clinical development of therapeutics across various modalities. The Associate Principal Scientist will guide the design and interpretation of in silico, in vitro, and in vivo analyses to support the discovery of therapeutics with the desired DMPK profile. They will assess DDI risk using static mechanistic and/or physiologically based pharmacokinetic (PBPK) models and guide clinical development teams on DDI strategy. They will author source reports and documents in support of regulatory filings. They will evaluate and predict potential program risks, while implementing appropriate strategies to address liabilities to ensure efficient program progression and decision making.The ideal candidate must be able to work collaboratively in a fast-paced environment, drive scientific development and innovation, and have excellent interpersonal and communication skills. Experience supporting both small molecule and biologics programs is desired.***Qualifications*****Education Minimum Requirement:*** B.S., Master’s degree, or Ph.D. in Pharmaceutical Sciences, Pharmacology, Biomedical Engineering, Biochemistry, or relevant fields.**Required Experience and Skills:*** B.S. or Master’s degree with 8+ years relevant experience, or Ph.D. with 5+ years of industry experience in a relevant field with a focus on discovery and development of therapeutics of various modalities.* Experienced in integrating preclinical DMPK and pharmacology to enable translational modeling and simulation to support dose selection, design of PK/PD and safety assessment studies, and dose justifications for preclinical and clinical studies.* Experience in assessing the impact of various factors on the pharmacokinetics and pharmacodynamics of novel therapeutics and communicating analyses and recommendations to interdisciplinary teams and management.* Experience with authoring documents in support of IB, IND, WMA filings, and responses to regulatory inquiries.* Demonstrated track record as an effective collaborator on multi-disciplinary discovery and development teams.* Strong leadership, interpersonal, communication, problem solving, and collaboration skills, while delivering results on firm deadlines. **Preferred Experience and Skills:*** Strong publication track record* Experience building models and performing analyses using Phoenix and PBPK modeling software (e.g., SimCYP).* Experience mentoring or supervising junior staff.**Required Skills:**Bioanalytical Techniques, Cell-Based Assays, Clinical Development, DMPK, Drug Development, Flow Cytometry, Immunoassays, Liquid Chromatography-Mass Spectrometry (LC-MS)**Preferred Skills:**Current Employees apply HERECurrent 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.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 RightsEEOC GINA SupplementWe are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively.Learn more about your rights, including under California, Colorado and other US State Acts The primary location for this posting is:USA - Pennsylvania - West Point Where required by law, the compensation range for this role is provided below. The salary range for the primary location of this role is:$142,400.00 - $224,100.00 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. 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. **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**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/International**VISA Sponsorship:**Yes**Travel Requirements:**10%**Flexible Work Arrangements:**Hybrid**Shift:**Not Indicated**Valid Driving License:**No**Hazardous Material(s):**NA**Job Posting End Date:**11/16/2026**\\*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.**