[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Merck & Co. jobs](https://jobs.opennash.com/companies/merck-co/) · [Search jobs](/search/) Merck & Co. # Senior Scientist (m/f/d), Preclinical Development in Animal Health DEU - Rheinland-Pfalz - Schwabenheim Full-time Senior individual contributor Healthcare & Clinical Listed on Merck & Co.’s official careers site. Posted October 10, 2026. Check that it is still open and apply there. [Apply on Merck & Co.’s careers site →](https://msd.wd5.myworkdayjobs.com/SearchJobs/job/DEU---Rheinland-Pfalz---Schwabenheim/Senior-Scientist--m-f-d---Preclinical-Development-in-Animal-Health_R417695) [OpenNash Jobs](https://jobs.opennash.com/) / [Merck & Co.](https://jobs.opennash.com/companies/merck-co/) / Senior Scientist (m/f/d), Preclinical Development in Animal Health ## Job description ### Job Description To support our Drug Safety & Metabolism Team in Schwabenheim (near Mainz), we are looking for you now, full-time, and initially for a fixed term of 2 years, as a Senior Scientist (m/f/d), Preclinical Development in Animal Health Your Responsibilities and Tasks: Scientifically support - Research and Development activities for new and established products in animal health - Compile and assess pharmacological and toxicological profiles of chemical compounds by literature search and testing - Plan, conduct, and evaluate in-house or outsourced in-vitro and in-vivo studies according to GLP guidelines, including toxicology, target animal safety, pharmacokinetics, metabolism, and residue depletion. Prepare expert reports, regulatory submissions and scientific presentations in English for authorities and internal stakeholders. Maintain and extend engagement with contract research organizations, external experts, and universities. Act as preclinical representative within international multidisciplinary project teams ### Your Qualifications Veterinary Medicine degree, including PhD or comparable scientific credentials Experience in Research and Development, ideally in the international veterinary pharmaceutical environment Experience with managing animal studies, ideally under GLP Strong background and experience in pharmacology, metabolism and toxicology, including evaluation of active substances Precise, analytical, proactive and creative work approach to problem solving Fluent written and spoken English and German language proficiency We are proud to be a company that embraces the value of bringing diverse, talented, and committed people together. The fastest way to breakthrough innovation is when diverse ideas come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively. We are an equal opportunity employer, committed to fostering an inclusive and diverse workplace. People with severe disabilities and their equals are given preference if they are equally qualified. ### Required Skills ADME, Biochemical Assays, Detail-Oriented, Drug Metabolism, Good Laboratory Practices (GLPs), Partnership Strategy, Pharmacodynamics, Pharmacokinetics, Teamwork, Toxicology Preferred Skills: Current Employees apply HERE Current Contingent Workers apply HERE 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 Project Temps (Fixed Term) ### Relocation VISA Sponsorship: Travel Requirements: Flexible Work Arrangements: Hybrid Shift: Valid Driving License: Hazardous Material(s): Job Posting End Date: 11/7/2026 *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. ## At a glance - Posted by the employer: Oct 10, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 8 days - Location: DEU - Rheinland-Pfalz - Schwabenheim - Employment type: Full-time[Apply on Merck & Co.’s careers site →](https://msd.wd5.myworkdayjobs.com/SearchJobs/job/DEU---Rheinland-Pfalz---Schwabenheim/Senior-Scientist--m-f-d---Preclinical-Development-in-Animal-Health_R417695) ## More jobs at Merck & Co. ### [Biologie-Laborant (m/w/d) im Bereich Parasitologie](https://jobs.opennash.com/companies/merck-co/jobs/ecb4ef5104b484937f7f/) DEU - Rheinland-Pfalz - Schwabenheim ### [Senior Specialist (m/f/d) Financial Planning & Analysis](https://jobs.opennash.com/companies/merck-co/jobs/3558595958a2264cf452/) DEU - Rheinland-Pfalz - Schwabenheim ### [(Asso.) Manager, Clinical Research Manager](https://jobs.opennash.com/companies/merck-co/jobs/9ff0c9a47da3a1be7686/) ### [(Associate) Clinical Operations Manager](https://jobs.opennash.com/companies/merck-co/jobs/b9680a2a2f57abb86caf/) GRC - Attica - Alimos ## Similar jobs at other companies ### [Category Manager - Animal Nutrition (Lifestyle)](https://jobs.opennash.com/companies/cargill/jobs/17f841d539c337162814/) Cargill · Mexico City, Mexico ### [[Innovative Medicine] R&D, Senior Principal Scientist, Pharmacology Group, Preclinical Science &Translational Safety Japan](https://jobs.opennash.com/companies/johnson-johnson/jobs/0937aec4c0b9b7913355/) Johnson & Johnson · Chiyoda, Tokyo, Japan ### [Senior Scientist - Aqua, Animal Biosolutions - Applied Research, Novonesis](https://jobs.opennash.com/companies/novonesis/jobs/83b443bfca7d240bb62a/) Novonesis A/S · Lyngby ### [Media Development Scientist](https://jobs.opennash.com/companies/thermo-fisher-scientific/jobs/27b76891fa4ad0124c24/) Thermo Fisher Scientific · Shanghai, China ### [HR Business Partner - Animal Nutrition and Health](https://jobs.opennash.com/companies/cargill/jobs/5f81bece349d8840c699/) Cargill · Pulilan, Philippines OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)