Associate Principal Scientist, Combination Product Design Verification (Associate Director Equivalent)
$142.4k - $224.1kFull-time
Merck & Co.
Job Description Job Description Are you enthusiastic and driven to create and lead execution of combination product testing strategies for innovative combination products? - Join our company's Device Development & Technology (DD&T) Team, which focuses on the design, development, and commercialization of novel biologic/drug/vaccine-device combination products for safe and effective delivery to their intended sites of action. The DD&T Team oversees the development of the device constituent within our pipeline of combination products, spanning various therapeutic areas and routes of administration, including inhalation, implantation, and injection. - The Associate Principal Scientist will provide end-to-end technical and project leadership for the definition, integration, and execution of comprehensive testing strategies in support of the overall control strategy for drug-device combination products. This role has a primary focus on design verification while encompassing the full spectrum of testing activities, including test method development and validation, analytical transfers, incoming testing, in-process, release testing, and testing readiness to enable successful clinical introduction and commercialization. - This position plays a critical leadership role across the product lifecycle, partnering with cross-functional teams and suppliers to ensure testing strategies are aligned with development, manufacturing, regulatory, and quality objectives. In addition to design verification, the Associate Principal Scientist will contribute to and support key validation activities such as drug product manufacturing processes and combination product final assembly process validations, ensuring robust and compliant execution from development through commercial launch. - As a matrixed project leader, the incumbent will collaborate extensively with stakeholders within and outside of Device Development & Technology, effectively coordinating teams, timelines, and deliverables to drive testing strategy implementation and execution. Success in this role requires the ability to engage and influence at all organizational levels, translating technical requirements into executable plans that support clinical readiness, regulatory submissions, and market approvals. - The role requires deep technical expertise across drug and device development, including design controls, risk management, manufacturing process development and validation, materials, molding technologies, design verification, and design validation. Leveraging this foundation, the Associate Principal Scientist will develop and execute integrated testing strategies that ensure product quality, compliance, and readiness throughout the end-to-end development and commercialization lifecycle of combination products. -
Collaborative Development, Combination Products, Commercialization, Design Controls, Design Failure Mode and Effect Analysis (DFMEA), Design Verification Testing, Device Development, Human Factor Engineering, Manufacturing Processes, Mechanical Engineering, Mechanical Testing, Medical Device Quality Systems, Method Validation, Product Risk Management, Project Leadership, Quality Management Systems (QMS), Release Testing, Self Motivation, Testing Methodology, Test Method Validation, Test Procedure Development, Troubleshooting Preferred Skills: 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. 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 The salary range for this role is
$142,400.00 - $224,100.00 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 . You can apply for this role through (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:
Domestic VISA Sponsorship:
Yes Travel Requirements:
25% Flexible Work Arrangements:
Not Applicable Shift:
Not Indicated Valid Driving License:
No Hazardous Material(s):
n/a Job Posting End Date:
09/26/2026
*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: R396820
Principal Responsibilities
- Lead, set direction, align with key stakeholders, and successfully execute, design verification strategies for assigned drug-device combination product program(s) for successful clinical introduction(s) and commercial market(s) approval(s).
- Define design input(s)/ output(s) and lead associated combination product design verification plan, protocol(s), and report(s) that demonstrate design output(s) meet design input(s).
- Lead establishment of test methodologies, including method development and validation, internally or externally, per design verification strategy.
- Lead strategy and execution of accelerated and real time aging studies including bridging studies at the device component/ subassembly/ in-process material and combination product level.
- Lead stablishing test methodologies/ testing readiness and execution in support of critical activities such as stability studies, drug product filling process validation, combination product final assembly process validation, shipping studies, etc.
- Support establishment of incoming and release tests at the component and combination product level with key functional areas.
- Oversee design verification activities performed by external partners.
- Proactively anticipate and resolve project obstacles and effectively communicate complex product technical challenges, design verification strategy, timelines, milestones, and risks within our Company and with external partners.
- Author and review relevant portions of the regulatory submissions (INDs, IMPDs, NDAs, BLAs, etc.) for combination product programs under your leadership.
- Lead/ Support clinical supplies production with respect to device component and combination product testing.
- Maintain a high level of engagement with cross-functional team members to effectively implement and successfully execute against design verification strategies.
- Stay current with new device technologies, relevant worldwide regulations, standards, and effectively share this knowledge with others.
- Enhance our Company's professional image and competitive advantage through publications, presentations, patents, and professional activities.
Qualifications Requirements:
- B.S. in Mechanical Engineering (or an equivalent field) + 8 years of combination product development experience; M.S. in Mechanical Engineering (or an equivalent field) + 5 years of combination product development experience; or a Ph.D. in Mechanical Engineering (or an equivalent field) + 3 years of combination product development experience.
- Leadership experience of combination product design verification programs and leading activities (e.g., strategy/ plan, protocol(s), report(s), test method development/validation, etc.) requiring cross-disciplinary project teams.
- Leadership experience with comprehensive knowledge of various aspects of device development and their interdependencies with design verification, including but not limited to, design controls, risk management, materials & molding, process development and validation, secondary packaging development & qualification, and design validation.
- Comprehensive understanding of drug product development in addition to device development expertise.
- Strong familiarity with regulatory landscape associated with drug delivery combination product and design verification requirements.
- Strong working knowledge of standards relevant to device components and combination products, including ISO 11608, ISO 11040, ISO 80369, as well as performance tests related to container closure integrity and dose accuracy, among others.
- Proven track record of applying analytical skills in product test method design, development, and validation.
- Working knowledge of analytical test method technology transfer process.
- Skilled in laboratory good documentation practices and electronic documentation systems.
- Self-motivated with ability to work independently.
- Proven ability to lead teams across multiple disciplines and backgrounds.
- Strong interpersonal skills and a strategic thinker; able to influence without formal authority; ability to influence and present ideas to senior leadership.
- Excellent communication, prioritization, presentation, negotiation, project management, and organizational skills.
Preferred experiences include:
- Combination product drug delivery device components - plastic, metal, glass, elastomeric materials, etc. - fracture, stress-strain response, friction, hardness, surface roughness, surface energy quantification.
- Combination product sub-assemblies (including electro-mechanical) - system tear down analysis, gear ratio optimization, weakest link component identification and optimization, etc.
- Material characterization and failure mode analysis and integration with combination product risk management.
- Stress-strain testing of different materials under different environmental conditions, i.e., temperature, humidity.
- Eagerness to identify lab capability gaps, drive procurement of new equipment, and quickly upskill (also train others) on operation.
- Experience with analytical or numerical simulation.
- Excellent collaboration and ideation skills, including facilitating brainstorming sessions, developing proof of concepts, and generating feasibility data.
- Strong familiarity with compression/tensile testing (Instron, Zwick, Texture Analyzer), rheology (TA Instrument), metrology/non-destructive inspection (XRCT [Zeiss], Optical microscopy [Keyence], high speed imaging)
- Experience in 3D CAD (Solidworks) and rapid manufacturing techniques (machining, 3D printing) for fixture development and device redesign efforts.
Fluency with industry-related guidance & standards:
- 21 CFR Part 4
- 21 CFR 820
- 21 CFR 210/ 211
- EU Medical Device Regulation
- USP
- USP
- FDA Guidance for Industry, Container Closure Systems for Packaging Human Drugs and Biologics
- ISO 13485
- ISO 14971
- ISO 11608
- ISO 11040
- ISO 10993
- ISO 23908
- ISO 80369
- ISTA 3A/B
- ASTM F1886
- ASTM D4169
- ASTM F1980
Collaborative Development, Combination Products, Commercialization, Design Controls, Design Failure Mode and Effect Analysis (DFMEA), Design Verification Testing, Device Development, Human Factor Engineering, Manufacturing Processes, Mechanical Engineering, Mechanical Testing, Medical Device Quality Systems, Method Validation, Product Risk Management, Project Leadership, Quality Management Systems (QMS), Release Testing, Self Motivation, Testing Methodology, Test Method Validation, Test Procedure Development, Troubleshooting Preferred Skills: 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. 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 The salary range for this role is
$142,400.00 - $224,100.00 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 . You can apply for this role through (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:
Domestic VISA Sponsorship:
Yes Travel Requirements:
25% Flexible Work Arrangements:
Not Applicable Shift:
Not Indicated Valid Driving License:
No Hazardous Material(s):
n/a Job Posting End Date:
09/26/2026
*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: R396820
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