Laboratory Scientist, Genetic Toxicology (On-site)

Laboratory Scientist, Genetic Toxicology We are seeking a laboratory scientist to join the Genetic Toxicology group within Non-clinical Drug Safety. This individual will be part of a high performing group and will be primarily responsible for the conduct of in vitro genotoxicity studies in mammalian cells (e.g., in vitro micronucleus) under both screening and Good Laboratory Practice (GLP) conditions, in support of drug discovery and development. Primary Responsibilities Work with mammalian cell cultures or isolated samples from in vivo studies to perform routine and non-routine genetic toxicology assays. Maintain laboratory equipment in accordance with GLP, maintain cell cultures, and perform manual microscopic analysis of fixed cells for the presence of micronuclei. Collaborate closely with other scientists within the genetic toxicology group and other functional areas within Non-clinical Drug Safety. Apply a range of practical laboratory skills required in a cell biology lab and demonstrate expertise in working with in vitro cell cultures. Have experience with in vitro micronucleus assay or chromosome aberration assay as an advantage, along with experience working in accordance with GLP standards. Work in a team, be flexible with rapidly changing work assignments/schedules and priorities, demonstrate problem-solving skills, and communicate effectively both verbally and in writing. Education Requirements Bachelor of Science or MS degree (Biology, Cellular & Molecular biology, Chemistry, Biochemistry or related sciences) plus at least 3 years of relevant experience. Must-haves Excellent verbal and written communication skills. Demonstrated laboratory skills in cellular/molecular biology including in vitro cell culture techniques. Preferred experience with Genetic Toxicology assay design and conduct, such as in vitro micronucleus assay. Ability to collaborate among a range of diverse scientific backgrounds; adapt, work in a matrix environment, and meet tight timelines. Self-driven and accountable for own learning. Required Skills Assay, Biomarker Identification, Cell-Based Assays, Cell Cultures, Detail-Oriented, Experimentation, High-Throughput Screening, In-Vitro Assays, Laboratory Techniques, Mammalian Cell, Mammalian Cell Culture, Microscopic Examination, Molecular Biology, Molecular Microbiology, Primary Cell Culture, Sample Processing, Scientific Writing, Teamwork, Technology Development, Toxicology. Preferred Skills Genotoxicity. 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. If you need an accommodation during the application or hiring process, please click here. EEO and Diversity Statement 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 U.S. State Acts. Salary The salary range for this role is $87,300.00 - $137,400.00. 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. Benefits 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 Location and Arrangement 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. Recruiter Policy 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. Employment Details Employee Status: Regular. Relocation: Domestic. VISA Sponsorship: No. Travel Requirements: 10%. Flexible Work Arrangements: Not Applicable. Shift: 1st - Day. Valid Driving License: No. Hazardous Material(s): Mutagens. Job Posting End Date 08/18/2026 Requisition ID

R410431