Senior Scientist, Chemistry (Onsite)

Our Company is currently seeking an exceptional chemist to join the Discovery Process Chemistry group located at our Boston, MA site. This role offers the opportunity to join a vibrant group of innovative laboratory scientists with broad impacts across our late discovery and early development portfolios. Core responsibilities include the development of innovative solutions to complex chemistry problems across a portfolio of projects in the discovery phase, from lead identification through candidate selection. A successful candidate is expected to apply cutting edge methodologies to synthetic route design in order to enable medicinal chemistry research and accelerate the delivery of target compounds to fund pre-clinical and clinical studies. Close collaboration is expected with colleagues across the Process and Medicinal Chemistry networks and throughout the Discovery and Preclinical functions. The candidate must be highly self-motivated, possess strong experimental skills, have excellent written and oral communication abilities, collaborate effectively on multidisciplinary teams and across geographies, and be able to demonstrate flexibility in adapting to change in a fast-paced, dynamic research environment. In addition, the candidate will be expected to remain current with the latest synthetic methodologies, drive innovation, apply new concepts to continuously improve group capabilities, and be active in the external scientific community via publications and external presentations. Education Minimum Requirement: PhD in Organic Chemistry achieved or expected in 2026/2027. Must have conducted outstanding research in their field of expertise that may be shared during the interview process Demonstrated creativity and innovation in problem solving Productivity and efficiency working in the lab Strong written and oral communication skills Excellent collaboration skills Established scientific reputation supported by publications and external presentations Required Skills: Analytical Chemistry, Analytical Method Development, Chemical Proteomics, Chemical Synthesis, Chemistry, Chromatography, Laboratory Automation, Laboratory Operations, Mass Spectrometry Based Proteomics, Medicinal Chemistry, Organic Chemistry, Pharmacodynamics, Pharmacokinetics, Process Analytical Technology (PAT), Protein Chromatography. 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. 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 $131,400.00 - $206,800.00. 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. medical, dental, vision healthcare and other insurance benefits (for employee and family) retirement benefits, including 401(k) paid holidays vacation compassionate and sick days More information about benefits is available at 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: 08/24/2026 *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. #J-18808-Ljbffr MSD Malaysia