Sr. Principal Scientist/Sr. Director, Regulatory Affairs

• Job Description
• The Senior Principal Scientist (Sr.

Director level), Regulatory Affairs CMC, provides strategic and technical regulatory expertise in support of dry powder inhaler (DPI) combination products across the product lifecycle, from development through registration, approval, and post-approval change management. This individual contributor role is responsible for developing and executing global regulatory CMC strategies, preparing high-quality submission content, and supporting regulatory interactions with health authorities for DPI combination products. The role focuses on ensuring that regulatory plans, submission dossiers, and responses are aligned with global requirements for combination products and inhalation delivery systems.

• Key Responsibilities
• : •Regulatory Strategy and Planning•+ Develop and support global regulatory CMC strategies for DPI combination products.

+ Provide regulatory input into development plans, filing strategies, and lifecycle management activities. + Assess regulatory pathways, data expectations, and submission requirements across key markets. + Support decision-making by identifying regulatory risks, requirements, and precedent relevant to DPI combination products.

• Regulatory Submission Support
• + Prepare, review, and revise device-related CMC regulatory content for global submissions, including INDs, NDAs, BLAs, MAAs, and other applicable filings.

+ Author and coordinate regulatory documentation supporting DPI combination products, including module content, summaries, justifications, and technical narratives. + Ensure consistency, scientific rigor, and regulatory alignment across submission components. + Support timely compilation and delivery of high-quality regulatory dossiers.

• Health Authority Interactions
• + Support responses to health authority questions, deficiency letters, and information requests related to DPI combination products. + Contribute regulatory expertise during meetings, teleconferences, and interactions with global health authorities. + Assist in preparing briefing materials, response strategies, and supporting documentation for regulatory engagements.
• Regulatory Intelligence and Compliance
• + Monitor and interpret evolving global regulatory requirements, guidance, and precedents relevant to DPI combination products.

+ Translate regulatory intelligence into actionable recommendations for development and filing strategy. + Support internal alignment on regulatory expectations across functions and regions. + Contribute to inspection- and audit-related regulatory readiness activities as needed.

• Cross-Functional Collaboration
• + Partner with R D, clinical, manufacturing, quality, and other functions to ensure regulatory input is integrated into product development and submission planning.

+ Provide regulatory guidance to project teams on content, timing, and sequencing of filings. + Collaborate with external partners and consultants as needed to support regulatory deliverables. UG, PA. Remote option within US can be considered for highly qualified candidates Less than 20% travel to US/OUS

• Education/Skills Required:

• + Bachelor's degree in pharmacy, Life Sciences, Engineering, Regulatory Affairs, or a related field; advanced degree preferred (M.

S., Ph. D). + 10+ years of experience in regulatory affairs, preferably with device combination products and inhalation products. + Strong experience with global regulatory CMC submissions for combination products, ideally including DPI platforms. + Demonstrated ability to author and coordinate submission content for global health authorities. + Strong understanding of regulatory requirements and expectations for combination products across major markets. + Excellent technical writing, communication, project coordination, and stakeholder management skills. + Direct experience with DPI/MDI combination products. + Familiarity with FDA, EMA, and other major global regulatory frameworks for inhalation combination products. + Experience supporting regulatory strategy, lifecycle submissions, and health authority interactions. + Regulatory certifications such as RAC are a plus.

• Required Skills:

• Combination Products, Combination Products, Confidentiality, Cross-Cultural Awareness, Cross-Functional Teamwork, Drug Regulatory Affairs, Dry Powder Inhalers (DPI), Effective Listening, Electronic Common Technical Document (eCTD), Employee Training Programs, Global Health, Interpersonal Relationships, Process Improvements, Regulatory Advocacy, Regulatory Affairs Compliance, Regulatory CMC, Regulatory Communications, Regulatory Compliance, Regulatory Documents, Regulatory Interactions, Regulatory Requirements, Regulatory Risk, Regulatory Strategies, Regulatory Submissions, Stakeholder Management {+ 1 more} •

Preferred Skills:

• Current Employees apply HERE (https://wd5.myworkday.com/msd/d/task/1422$6687.htmld) Current Contingent Workers apply HERE (https://wd5.myworkday.com/msd/d/task/1422$4020.htmld)

• 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 (https://survey.sogosurvey.com/r/aCdfqL) 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 Rights (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRights\_10\_20.pdf)

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 (https://www.msdprivacy.com/us/en/CCPA-notice/) The salary range for this role is $210,400.00 - $331,100.00 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:

• No relocation

• VISA Sponsorship:

• No •

Travel Requirements:

• 10%

• Flexible Work Arrangements:

• Remote

• Shift:

• Not Indicated

• Valid Driving License:

• No •Hazardous Material(s):•n/a •

Job Posting End Date:

• 05/29/2026
• 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.

• Requisition ID:

• R398797