Find Your Dream Job Today

Our mission is to help high-achieving LGBTQ+ undergraduates reach their full potential.

Senior Principal Scientist, Sterile and Specialty Products



Rahway, NJ, USA
Posted on Friday, June 7, 2024

Job Description

Position Description:

Senior Principal Scientist, Sterile and Specialty Products

The Sterile and Specialty Products (SSP) group is responsible for developing non-oral dosage forms (injections, implants, inhaled, ocular) for small, intermediate, and large molecules from preclinical toxicology studies to commercialization. Our development teams ensure robust composition, primary packaging/device, and process selection through deep fundamental understanding and characterization such that the process is scalable without compromising stability, safety, efficacy, and delivery. During development, we leverage smart experimental design, cutting edge analytical tools, and predictive approaches to inform molecule, formulation and process selection. In summary, our team enables the translation of preclinical candidates into non-oral drug products.

Our team is looking for a strong candidate for the position of Senior Principal Scientist (R6) within the Biologics product development group.

Primary duties:

  • Be a seasoned biologics product developer responsible for designing and developing sterile products for injectable, ophthalmic, and inhaled routes of administration.

  • Support both early and late-stage development candidates that will include ensuring screening and development of robust drug product composition, scalable process, primary packaging, compatibility characterization for processing and administration, and supporting regulatory filings.

  • Have deep fundamental knowledge around large molecule drug product development and have management responsibilities for a small group of scientists during product development to ensure completion of key milestones and laboratory / regulatory documentation.

  • Active strategic and technical leadership to influence program development teams, interfacing with key stakeholders, and collaborating across functions to drive defined milestones will be required.

  • Outstanding communication skills and the ability to clearly articulate risks and trade-offs experienced within product development to appropriate governance venues and management

  • Responsible for ideating, leading, and championing organizational strategic and innovation objectives aligned with organizational goals.

  • Has subject matter expertise with process scale up, modeling, regulatory filings and/or driving key capability evaluation/ build

  • Be willing to take initiative, motivated to excel, have a strong technical background, have excellent communication and interpersonal skills, ability to multi-task, mentor scientists, and a strong desire to learn and contribute.

  • Proven demonstration of leadership behaviors

  • Be a change agent for continuous improvement of internal processes contextualizing the broader portfolio outside of their assigned programs.

Position Qualifications:

Education Minimum Requirement:

  • Masters with a minimum of 15 years or Ph.D. with a minimum of 12 years of industry experience and a Degree in Chemical/ Biomedical Engineering, Pharmaceutics, Pharmaceutical Chemistry, Pharmaceutical Sciences, Chemistry, Biochemistry or related field.

Required Experience and Skills:

  • The candidate should have a strong track record in biologics product development including multiple regulatory filings spanning multiple biologic modalities including mAbs, ADCs, fusion proteins, combinations such as doublet or triplet co-formulations

  • Subject matter expert of process development and process characterization for biologic drug products with proven track record of successful tech transfers to GMP manufacturing sites

  • Significant experience with drying technologies such as lyophilization both as a platform technology to enable speed to clinic and deep fundamental understanding of the process and how to optimize

  • Strong external presence reflected through multiple external publications and patents.

  • The candidate should have experience in designing and executing appropriate DOE studies to inform on biologic drug product risks such as oxidation or light exposure

  • The candidate should be well-versed in QbD principles and have experience applying the QbD tools and principles to drug products in development

  • The candidate should have strong familiarity with relevant biologic analytical methods and specifications for drug products as well as drug substance downstream formulation considerations

  • Subject matter expert in developing and authoring regulatory filings for combination products of biologic therapeutics

  • The candidate should have experience, desire and a track record of effective mentorship of junior scientists towards timebound goals.

  • The candidate should demonstrate scientific leadership in the field of biologics product development

Preferred Experience and Skills:

  • Experience in pharmaceutical sciences, physical pharmacy, physiology, pharmacokinetics, biochemistry, protein sciences, chemical kinetics or transport phenomenon is highly desirable.

  • Experience in formulation/process, definition of critical attributes for process scale-up, analytical development and experience with Biologics License Application filing for non-conventional sterile dosage forms including ocular dosage forms or peptide therapeutics, and/or alternate delivery technologies (e.g. high concentration, hydrogels, emulsions, suspensions, injectable depot) is a plus.



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.

Employees working in roles that the Company determines require routine collaboration with external stakeholders, such as customer-facing commercial, or research-based roles, will be expected to comply not only with Company policy but also with policies established by such external stakeholders (for example, a requirement to be vaccinated against COVID-19 in order to access a facility or meet with stakeholders). Please understand that, as permitted by applicable law, if you have not been vaccinated against COVID-19 and an essential function of your job is to call on external stakeholders who require vaccination to enter their premises or engage in face-to-face meetings, then your employment may pose an undue burden to business operations, in which case you may not be offered employment, or your employment could be terminated. Please also note that, where permitted by applicable law, the Company reserves the right to require COVID-19 vaccinations for positions, such as in Global Employee Health, where the Company determines in its discretion that the nature of the role presents an increased risk of disease transmission.

Current Employees apply HERE

Current 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.

We are an Equal Opportunity Employer, committed to fostering an inclusive and diverse workplace. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability status, or other applicable legally protected characteristics. For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit:

EEOC Know Your Rights

EEOC GINA Supplement​

Pay Transparency Nondiscrimination

We are proud to be a company that embraces the value of bringing diverse, talented, and committed people together. The fastest way to breakthrough innovation is when diverse ideas 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

U.S. Hybrid Work Model

Effective September 5, 2023, employees in office-based positions in the U.S. will be working a Hybrid work consisting of three total days on-site per week, generally Tuesday, Wednesday and either Monday or Thursday, although the specific days may vary by site or organization, with Friday designated as a remote-working day, unless business critical tasks require an on-site presence. This Hybrid work model does not apply to, and daily in-person attendance is required for, field-based positions; facility-based, manufacturing-based, or research-based positions where the work to be performed is located at a Company site; positions covered by a collective-bargaining agreement (unless the agreement provides for hybrid work); or any other position for which the Company has determined the job requirements cannot be reasonably met working remotely. Please note, this Hybrid work model guidance also does not apply to roles that have been designated as “remote”.

Under New York State, Colorado State, Washington State, and California State law, the Company is required to provide a reasonable estimate of the salary range for this job. Final determinations with respect to salary will take into account a number of factors, which may include, but not be limited to the primary work location and the chosen candidate’s relevant skills, experience, and education.

Expected salary range:

$164,800.00 - $259,400.00

Available benefits include bonus eligibility, long term incentive if applicable, health care and other insurance benefits (for employee and family), retirement benefits, paid holidays, vacation, and sick days. A summary of benefits is listed here.

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:




VISA Sponsorship:


Travel Requirements:


Flexible Work Arrangements:

Not Applicable


Not Indicated

Valid Driving License:


Hazardous Material(s):


Job Posting End Date:


*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.

Job Posting End Date:06/25/2024

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:R298297