Sr. Principal Scientist, Nonclinical Drug Safety

Merck

West Point (PA)

Hybrid

USD 191,000 - 300,000

Full time

14 days+
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Benefits offered by this job

Medical, dental, vision benefits
401(k) retirement plan
Paid holidays and vacation
Sick days and other insurance benefits

Job summary

Merck & Co., Inc. seeks a senior Nonclinical Drug Safety Therapeutic Area Leader (Immunology) to advance immunology programs from discovery through registration.

You will shape nonclinical strategy, coordinate cross‑functional teams, and mentor leaders to ensure high‑quality risk assessments and regulatory submissions. We value strong scientific acumen, leadership in matrix environments, and a track record across multiple drug development phases, with emphasis on immunology programs and

Qualifications

  • PhD, DVM, or MD with graduate/post‑graduate training in toxicology, immunology, pharmacology, pathology, or related field.
  • Minimum 12 years of experience in toxicology/immunology/pharmacology with pharma program team work and regulatory exposure.
  • Experience mentoring program team members and collaborating across cross‑functional groups.
  • Solid experience with regulatory processes, nonclinical risk assessments, ICH guidelines, and GLP.

Responsibilities

  • Lead nonclinical immunology programs and provide strategic oversight across discovery to late development.
  • Deliver nonclinical strategies, risk assessments, and regulatory submissions for global development.
  • Mentor and develop Compound Leaders and program teams within a matrixed organization.
  • Influence regulatory strategy through publications, consortia, and cross‑industry collaboration.
  • Provide risk‑balanced decision making and timely issue resolution in complex programs.

Skills

Cell Line Engineering
Clinical Judgment
Drug Development
Human Health Risk Assessment
Innovative Thinking
Mentorship
Omics Technologies
Pharmacodynamics
Pharmacokinetics
Product Registrations
Project Leadership
Risk Assessments
Strategic Planning
Toxicity Studies
Toxicology

Education

PhD, DVM, and/or MD in Toxicology/Immunology/Pharmacology/Pathology

Job description

Job Description

The Nonclinical Drug Safety (NDS) Therapeutic Area Leader (TAL) is a senior scientific leader responsible for advancing the vision and goals of NDS and our company as an industry leader in drug development, product registration, and post‑marketing support.

Responsibilities Include The Following
  • Serve as the NDS Therapeutic Area Leader for Immunology, overseeing the progression of nonclinical development programs and post‑marketing support within the therapeutic area. The role requires strong scientific acumen in immunology, a deep understanding of regulatory expectations for immunology programs, and the ability to rapidly integrate complex scientific concepts into sound development strategies.
  • Deliver high‑quality nonclinical strategies, risk assessments, and regulatory submissions that support global clinical development, product registration, and post‑marketing commitments, while helping shape the external scientific and regulatory environment through engagement with health authorities, consortia, and scientific organizations.
  • Provide scientific and strategic oversight for Immunology candidates through close collaboration with Program Coordinators, Discovery Preclinical Leaders, Compound Leaders, and scientists across NDS and/or Preclinical Development, while ensuring strong partnership with key Research and Development Division functions, including Discovery, chemistry, regulatory affairs, translational medicine, clinical development, and CMC.
  • Demonstrate situational leadership and innovative problem‑solving, with impact beyond Program Development, by proactively identifying potential program issues and guiding Compound Leaders through ambiguity and complexity to achieve timely, risk‑balanced resolution.
  • Maintain a strong commitment to the development of Compound Leaders and Discovery Program Leaders through active coaching, mentoring, and scientific leadership.
  • Foster a leadership culture that balances coaching, empowerment, accountability, of thought, and talent development to enable both individual growth and program success.
  • Ensure strategic planning across Immunology programs and proactively identify resource needs, prioritization considerations, and emerging risks within the therapeutic area.
  • Strategically influence nonclinical drug safety considerations for Immunology programs by providing drug development mentorship and partnering with Compound Leaders on time‑critical matters, including nonclinical program design and toxicology study design, weight‑of‑evidence risk assessments, science‑based waiver strategies, and integrated safety development plans that support clinical trials, global registration, and timely resolution of nonclinical development issues.
  • Be accountable for high‑quality nonclinical risk assessments and regulatory documentation, including clear descriptions of experimental design and results, scientifically robust interpretations, and concise risk assessments for Investigator Brochures, CTAs, INDs, NDAs, BLAs, MAAs, regulatory responses, and other legal or scientific documents supporting global clinical trials, registration, and post‑marketing activities.
  • Collaborate closely with Discovery Program Leaders in NDS to provide scientific and strategic input on emerging discovery projects within the Immunology therapeutic area.
  • Contribute to global nonclinical development strategy through scientific publications, external consortia, and cross‑industry collaborations, and proactively lead internal cross‑departmental initiatives to improve policies, procedures, and strategic direction to maintain our company's leadership in nonclinical drug development.
  • May serve as a Compound Leader for assigned development compounds and may oversee or conduct NDS due diligence reviews for in‑licensing opportunities relevant to the Immunology therapeutic area.
  • Be recognized for immunology expertise and contribute to our company's external scientific and regulatory reputation.
Required Education, Experience, And Skills
  • PhD, DVM, and/or MD degree with graduate and/or post‑graduate work and/or residency training in Toxicology, Immunology, Pharmacology, Pathology, or a related field.
  • Minimum of 12 years of experience in toxicology, immunology, pharmacology, pathology, or a related field, with pharmaceutical program team experience and demonstrated expertise in nonclinical drug development and/or relevant regulatory experience with a health authority.
  • Demonstrated experience collaborating with and mentoring program team representatives.
  • Solid experience with regulatory processes, nonclinical risk assessments, ICH guidelines, and Good Laboratory Practice (GLP) requirements.
  • Demonstrated expertise in nonclinical drug development across discovery, early development, and late development, with a strong preference for relevant graduate training in immunology and/or substantial experience providing program team representation or scientific oversight for immunology programs.
  • Strong scientific acumen, intellectual curiosity, persistence, and a demonstrated track record of success across multiple phases of drug development.
  • Strong leadership skills and the ability to build effective partnerships in a matrixed environment; demonstrated ability to collaboratively influence strategic direction and foster a culture of mentorship, empowerment, accountability, talent growth, and program success.
  • Excellent organizational skills and strong verbal and written communication capabilities, with the ability to develop and deliver clear, concise, and scientifically rigorous nonclinical documents and presentations.
  • Experience authoring and critically reviewing nonclinical sections of regulatory documents, including Investigator Brochures, briefing books, INDs, CTAs, NDAs, BLAs, MAAs, regulatory responses, and related scientific or legal documents.
Preferred Experience And Skills
  • Experience in immunology and/or immuno‑oncology drug development.
  • Experience supporting nonclinical development across multiple therapeutic modalities.
  • Demonstrated leadership in an area of scientific expertise, with experience influencing global regulatory strategy through scientific publication, external consortia, or cross‑industry collaboration.
  • Previous experience coaching project team representative with varying skill sets and serving on or providing strategic oversight to product development teams.
  • Supported programs that have advanced to and/or achieved BLA or WMA
Required Skills

Cell Line Engineering, Clinical Judgment, Drug Development, Human Health Risk Assessment, Innovative Thinking, Mentorship, Omics Technologies, Pharmacodynamics, Pharmacokinetics, Product Registrations, Project Leadership, Risk Assessments, Strategic Planning, Toxicity Studies, Toxicology

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.

Requirements

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

We 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
Salary Range for this role is

$190,800.00 - $300,300.00

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.

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

Hybrid

Shift

1st - Day

Valid Driving License

No

Hazardous Material(s)

N/A

Job Posting End Date

10/2/2026

Requisition ID

R404834

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