Senior Scientist, Analytical R&D

Job Description Senior Scientist, Biologics Analytical Research & Development The Biologics Analytical Research & Development department of our Research & Development Division is seeking applicants for a Senior Scientist position available at its Rahway, New Jersey research facility. The Senior Scientist is a laboratory-based scientific role tasked with solving complex analytical problems at the interface of biology, chemistry, and lab informatics disciplines to enable development of Biologics drug substances and drug products. The successful candidate must function well and be able to collaborate in a fast-paced, integrated, multidisciplinary team environment. The qualified candidate will be responsible for development, qualification, implementation, troubleshooting and transfer of analytical methods for monoclonal proteins or other complex therapeutic proteins. Applicants must have effective organizational, multi-tasking, oral/written communications skills, show scientific leadership, and a desire to conduct research and publish. Experience leading small groups of technical personnel and analytical projects will aid in distinguishing candidates. Evidence of strong cross-functional collaboration in an academic or industrial setting is also preferred. Qualifications Education: Ph.D. in analytical chemistry/biochemistry or related field or M.S. with a minimum of 5 years of experience in the Pharmaceutical Industry or B.S. with a minimum of 8 years of experience in the Pharmaceutical Industry. Required Experience and Skills: Strong background and experience in separations science Extensive experience with UPLC/HPLC analysis of biologics (e.g., SEC, RP, IEX) and CE techniques. Experience in process- or impurity-related residual assay development Background in Analytical Methodologies and sound scientific understanding of Critical Quality Attributes/QbD/DOE principles as well as data analysis and statistics for setting specifications Ability to design, execute and development of methods for release, characterization, and stability testing of clinical trial material and in support of product and process development A strong team player with excellent oral and written communication skills; ability to work both independently for development of assays and cross-functionally for successful transfer of assays. Plan assay optimization and documentation to meet program deadlines. Authoring and reviewing internal technical reports, sections of regulatory filings (e.g., IND, BLA) and external scientific publications. Strong ability to deliver complex objectives under aggressive timelines in a rapidly changing environment. Demonstrated scientific ability through publications and presentations in scientific conferences. Preferred Experience and Skills: Experience with qualification, validation, and transfer of assays to a GLP or regulated laboratory environment as listed in ICH Q2 and USP <1033> . Experience in representing analytical functional area on project teams. Strong knowledge of protein structure and degradation pathways Mass spectrometry for large molecules Molecular biology (PCR, DNA extraction) and immunoassay (ELISA, gel electrophoresis) techniques Experience in analysis of various Biologic modalities (e.g., mAb, antibody-drug conjugate, fusion protein) #AR&D Required Skills: Analytical Chemistry, Analytical Method Development, Antibody Drug Conjugates (ADC), Assay Development, Bioanalytical Analysis, Chromatographic Techniques, Clinical Trials, DNA Extractions, Enzyme Linked Immunosorbent Assay (ELISA), Immunoassays, Immunoprecipitation, Process Analytical Technology (PAT), Therapeutic Proteins, Ultra Performance Liquid Chromatography (UPLC) 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 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: No Travel Requirements: 10% Flexible Work Arrangements: Not Applicable Shift: Not Indicated Valid Driving License: No Hazardous Material(s): N/A Job Posting End Date: 07/10/2026 *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. Our company is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where we have codified our legacy for over a century. Our success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.