
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 1 year, 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
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, Biosecurity, Cell-Based Assays, Chemical Synthesis, Detail-Oriented, Drug Metabolism, Environmental Toxicology, Flow Cytometry, High Resolution Mass Spectrometry (HRMS), IACUC Protocols, Ligand Binding Assay, Liquid Chromatography-Mass Spectrometry (LC-MS), Literature Searches, Mass Spectrometry Analysis, Metabolite Identification, Partnership Strategy, Pharmacodynamics, Pharmacokinetics, Pharmacotherapeutics, Scientific Research, Teamwork, Toxicity Studies, Toxicology, Veterinary Medicine
Preferred Skills:
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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:
06/6/2026
*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 MSD, known as Merck & Co., Inc., Rahway, NJ, USA in the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the world. For more than 130 years, we have brought hope to humanity through the development of important medicines and vaccines. We aspire to be the premier research-intensive biopharmaceutical company in the world – and today, we are at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals. We foster a diverse and inclusive global workforce and operate responsibly every day to enable a safe, sustainable and healthy future for all people and communities. For more information, visit www.msd.com and connect with us on Facebook, Instagram, Twitter, and YouTube.