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Merck Principal Scientist/Director, Biologics - Regulatory Chemistry, Manufacturing and Controls in Lansdale, Pennsylvania

Job Description

Our Regulatory Affairs team bring new medical advancements to the world by facilitating communications and procedures that allow swift, organized compliance partnering with external regulatory agencies. We are on the leading-edge of healthcare breakthroughs that help provide new, reliable, and compliant medical products, practices and solutions to the world.

Under general supervision of an Executive Director, the Principle Scientist /Director is responsible for developing and implementing Chemistry, Manufacturing, and Controls (CMC) regulatory strategies for our organization's product franchises in accordance with domestic and international regulations and guidance. The Principle Scientist is responsible for the leading the preparation and submission of CMC sections for commercial or new products. The Principle Scientist will lead the development and the implementation of internal regulatory strategies and provides mentoring and coaching to Senior Scientist and Associate Principle scientist in support of their assigned projects.

Primary Responsibilities

  • Serve as a Regulatory CMC Project Lead and provide CMC Regulatory leadership within Regulatory and on cross-functional teams for the assigned biological products in development or commercial products.

  • In depth knowledge and application of global CMC guidelines regarding IND/BLAs or post approval changes.

  • The CMC Project Lead is accountable for the delivery of all regulatory milestones for higher complexity products including assessment of the probability of regulatory success together with risk mitigation measures.

  • Lead the development, communication, and review of the CMC Regulatory Strategy Document for projects of increasing complexity.

  • Lead development and execution of detailed, global regulatory submissions of INDs, BLAs or post approval change documentation according to defined timelines.

  • Manage execution of CMC documentation including IND/CTA, original BLA/MAA, or Post Approval Life Cycle, including agency background packages and response to health authority questions per established business processes and systems.

  • Collaborate with partner groups in critical review of submissions to ensure compliance, scientific excellence, accuracy and completeness of submissions.

  • Resolve complex project issues through collaboration with the team and cross functional partners and provide recommendations to Regulatory CMC leadership team as appropriate.

  • Provide regulatory leadership as needed in product in-license/due diligence review, product divestment and product withdrawal.

  • Support new technology development within our Company.

  • Demonstrate an understanding of regulatory affairs and applies this understanding to the benefit of the company to ensure the approval or continued market supply of our Company products worldwide.

  • Conduct all activities with an unwavering focus on compliance.

  • May need to manage or mentor junior team members.


  • Proven experience in critically reviewing detailed scientific information and assessing whether technical arguments are presented clearly and conclusions are adequately supported by data.

  • Demonstrated superior oral and written communication skills in multicultural settings and ability to communicate complex issues in a succinct and logical manner. Strong listening skills.

  • Demonstrated sound understanding of related fields (e.g., manufacturing, analytical, quality assurance) and the ability to be creative and imaginative in the approach to new and diverse problem solving.


  • Demonstrated ability to generate innovative solutions to complex regulatory problems and effectively work with and communicate to key stakeholders.

  • Demonstrated flexibility in responding to changing priorities or dealing with unexpected events.

  • Demonstrated effective leadership, communication, interpersonal and negotiating skills in particular with cross functional partners and health authorities.

Education Minimum Requirement:

  • B.S. in a biological science, engineering, or a related field (advanced degree preferred). Fields of study include Biology, Microbiology, Virology, Molecular Biology, Chemical Engineering, Chemistry or Biochemistry.

Required Experience and Skills:

  • At least fifteen (15) years of relevant experience (10 years with an advanced degree), including Regulatory CMC, or development; manufacturing, testing, or licensure of products; or closely related fields.

  • The candidate must be proficient in English; additional language skills are a plus.

  • The candidate may be required to travel on a periodic basis.

Preferred Experience and Skills:

  • Experience in Biologics preferred


We are a research driven bio-pharmaceutical company. Our mission is built on the simple premise that if we “follow the science” and that great medicines can make a significant impact to our world. And we believe that a research-driven enterprise dedicated to world-class science can succeed by inventing medicine and vaccine innovations that make a difference for patients across the globe.

Who we are …

Merck & Co., Inc., Kenilworth, New Jersey, USA is known as “Merck” in the United States, Canada & Puerto Rico. We are known as “MSD” in Europe, Middle East, Africa, Latin America & Asia Pacific. We are a global biopharmaceutical leader with a diverse portfolio of prescription medicines, oncology, vaccines and animal health products.

We are driven by our purpose to develop and deliver innovative products that save and improve lives. With 69,000 employees operating in more than 140 countries, we offer state of the art laboratories, plants and offices that are designed to Inspire our employees as we learn, develop and grow in our careers. We are proud of our 125 years of service to humanity and continue to be one of the world’s biggest investors in Research & Development.

What we look for …

In a world of rapid innovation, we seek brave Inventors who want to make an Impact in all aspects of our business, enabling breakthroughs that will affect generations to come. We encourage you to bring your disruptive thinking, collaborative spirit and diverse perspective to our organization. Together we will continue Inventing For Life, Impacting Lives while Inspiring Your Career Growth .





In accordance with Managers' Policy - Job Posting and Employee Placement, all employees subject to this policy are required to have a minimum of twelve (12) months of service in current position prior to applying for open positions.

If you have been offered a separation benefits package, but have not yet reached your separation date and are offered a position within the salary and geographical parameters as set forth in the Summary Plan Description (SPD) of your separation package, then you are no longer eligible for your separation benefits package. To discuss in more detail, please contact your HRBP or Talent Acquisition Advisor.

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We are an equal opportunity employer, Minority/Female/Disability/Veteran – proudly embracing diversity in all of its manifestations.

Search Firm Representatives Please Read Carefully

Merck & Co., Inc., Kenilworth, NJ, USA, also known as Merck Sharp & Dohme Corp., Kenilworth, 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:




VISA Sponsorship:


Travel Requirements:


Flexible Work Arrangements:

Flex Time


1st - Day

Valid Driving License:


Hazardous Material(s):

Number of Openings:


Requisition ID: R18960