Senior Scientist, Sterile Product Development (On-site)

Merck & Co USA - New Jersey - Rahway Updated 30 August 2026
Pharma

Job description

Job Description S terile Product Development (SPD) group is responsible for developing non-oral dosage forms (injections, implants, inhaled, ocular) for biologics, mixed modalities, vaccines and small 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. Primary Responsibilities This is a lab based (on-site) role responsible for designing and developing sterile products for biologics (monoclonal antibodies, fusion proteins, antibody-drug conjugates) drugs for injectable and ophthalmic routes of administration. Support product development of both early and late stage assets while developing mechanistic understanding of the degradation and process design space. Key studies include screening and developing robust drug product composition, developing scalable process and defining primary packaging. Coordinate good practice (GXP) manufacture activities and appropriate compatibility characterization to enable processing of drug product and dosage administration in toxicology and clinical study. Build deep fundamental knowledge around the drug product and document experimental findings and conclusions in formulation development reports and regulatory filings. Active participation and leadership on formulation development teams and interfacing and collaborating with key stakeholders to drive project milestones Take initiative, motivated to excel, have a strong technical background, have excellent communication and interpersonal skills Education Requirements Masters with four years or Ph.D. Degree (or with expected graduation in 2026) in Chemical/ Biochemical/ Biomedical Engineering, Pharmaceutics, Pharmaceutical Chemistry, Pharmaceutical Sciences, Chemistry, Biochemistry or related field Experience and Skills Required Experience and/or knowledge in one or more of the following: Protein Stability Protein-Protein/Protein-Excipient Interaction Biologic molecule design Formulation screening Characterization Process development or process modeling Stability predictive modeling Basic understanding of sterile product development Preferred Course work in biochemistry, protein design, pharmaceutics, physiology, pharmacokinetics, protein sciences, chemical kinetics, Transport phenomenon, physical pharmacy is highly desirable. Biologics formulation design/process development, alternative processing approaches, definition of critical attributes for process scale-up, analytical development and Chemistry, Manufacturing and Control filing for sterile dosage forms including ocular dosage forms, peptide therapeutics, and non-conventional drug delivery technologies (e.g. emulsions, suspensions, injectable depot) EligibleforERP Required Skills: Biologics, Bioprocessing, Characterization Techniques, Data Analysis, Drug Delivery, Drug Formulations, Drug Product Development, Molecular Biology Techniques, Pharmaceutical Process Development, Pharmaceutical Sciences, Product Formulation, Protein Biochemistry, Protein Purifications, Stability Studies, Sterile Products 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 $117,000.00 - $184,200.00 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

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