Job Description To support our Drug Safety & Metabolism Team in Schwabenheim (near Mainz), we are looking for you as of now, full time, as a Senior Scientis t (m/f /d ), Preclinical Development in Animal Health with Focus on Immunology Your Responsibilities and Tasks : Scientifically support Research and Development for new and existing products in animal health Compile and assess pharmacological, toxicological, and immunological profiles of compounds through literature search and experimental testing Plan, conduct, and evaluate in - house and outsourced studies according to GLP guidelines, including toxic olog y, target animal safety, pharmacokinetics, metabolism, residue depletion, immunogenicity, and monoclonal antibody characterization Design and oversee immunology, and monoclonal antibody studies, including antigen characterization, immune response assays, and antibody efficacy testing Compile expert reports, regulatory submissions, and scientific presentations in English for authorities and internal stakeholders Maintain and extend contact with contract research organizations, external experts, and universities Act as preclinical representative in international multidisciplinary project teams Your Qualifications: Veterinary Medicine degree, including PhD or comparable Experience in Research and Development, ideally in the international veterinary pharmaceutical industry Experience in managing animal studies, ideally according to GLP Profound knowledge in pharmacology, metabolism, toxicology, immunology, and monoclonal antibody research Experience in pharmacokinetic, metabolic, immunogenic, and monoclonal antibody evaluation of active substances and biologicals Hands-on experience with immunological assays (e.g., ELISA, flow cytometry, neutralization tests), vaccine efficacy studies, or monoclonal antibody characterization Precise, analytical, and creative work approach to problem solving Fluent written and spoken English 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: Accountability, ADME, Animal Biotechnology, Animal Physiology, Biochemical Assays, Biopharmaceuticals, Cell-Based Assays, Clinical Chemistry, Detail-Oriented, Drug Metabolism, Flow Cytometry, High Resolution Mass Spectrometry (HRMS), Innovation, Ligand Binding Assay, Liquid Chromatography-Mass Spectrometry (LC-MS), Machine Learning (ML), Mass Spectrometry Analysis, Metabolism, Metabolite Identification, Partnership Strategy, Pharmacokinetics, Pharmacovigilance, Teamwork, Veterinary Pathology 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: Regular Relocation: VISA Sponsorship: Travel Requirements: Flexible Work Arrangements: Hybrid Shift: Valid Driving License: Hazardous Material(s): Job Posting End Date: 02/17/2026 *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.