Merck (U.S.) Jobs & Careers

About Merck (U.S.)

Merck and Co., Inc. is an American multinational biopharmaceutical company headquartered in Rahway, New Jersey. The company discovers, develops, manufactures, and markets medicines, vaccines, biologic therapies, and animal health products across oncology, infectious diseases, cardio-metabolic disorders, immunology, and neuroscience. Merck is one of the worlds largest pharmaceutical companies, known for blockbuster products including Keytruda and the Gardasil HPV vaccine.

Open Jobs at Merck (U.S.) (783)

• Associate Principal Scientist, Computational Biologist and Image Analysis Expert
  USA - Massachusetts - Cambridge (320 Bent Street)Full timePosted May 2, 2026
• Specialist, Safety & Environment
  IRL - Meath - DunboyneFull timePosted May 2, 2026
• Artificial Intelligence (AI) Ethics and Governance Specialist
  SGP - Singapore - Singapore (Boulevard Towers)Full timePosted May 2, 2026
• Specialist, Machine Learning Engineer
  SGP - Singapore - Singapore (Boulevard Towers)Full timePosted May 2, 2026
• Product Specialist (Vaccine)
  2 LocationsFull timePosted May 2, 2026
• CRA Manager
  MYS - Selangor - Petaling Jaya (Ascent Paradigm)Full timePosted May 2, 2026
• Associate Principal Scientist, Microbiology AR&D
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Director, Data Science, Foundation Model AI 
  USA - Massachusetts - Cambridge (320 Bent Street)Full timePosted May 2, 2026
• Director Global Market Access RSV
  3 LocationsFull timePosted May 2, 2026
• Executive Director, Quantitative Pharmacology and Pharmacometrics
  4 LocationsFull timePosted May 2, 2026
• Senior Process / Project Engineer-2
  USA - North Carolina - WilsonFull timePosted May 2, 2026
• Advertising Senior Specialist
  4 LocationsFull timePosted May 2, 2026
• Specialist, Research (2nd Shift Specialist: In-Process Controls)
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Executive Director, National Sales Leader, Immunology
  USA - Pennsylvania - North Wales (Upper Gwynedd)Full timePosted May 2, 2026
• Payroll & Benefits Specialist, Asia Pacific
  MYS - Selangor - Petaling Jaya (Ascent Paradigm)Full timePosted May 2, 2026
• Associate Principal Scientist, Discovery Pharmaceutical Sciences
  USA - California - South San Francisco (Grand Ave)Full timePosted May 2, 2026
• Scientist, Analytical R&D (2nd shift)
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Scientist, Vaccine Analytical R&D
  USA - Pennsylvania - West PointFull timePosted May 2, 2026
• Senior Scientist
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Senior Specialist, Manufacturing Automation Engineer (On-Site)
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Spclst, Research
  2 LocationsFull timePosted May 2, 2026
• Specialist, Manufacturing Automation Engineer (Onsite)
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Technician (Technical), Operations
  USA - North Carolina - WilsonFull timePosted May 2, 2026
• Assoc Prin. Scientist, Analytical R&D (2nd Shift: Lead)
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Associate Director, Compliance Operations —Investigation Writer
  2 LocationsFull timePosted May 2, 2026
• Associate Principal Scientist, Preclinical Dev.
  USA - Pennsylvania - West PointFull timePosted May 2, 2026
• Clinical Research Manager - Ophthalmology - Remote
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Director Global Market Access, Immunology
  3 LocationsFull timePosted May 2, 2026
• Principal Scientist, Oral Formulation Sciences
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Scientist, Analytical R&D (2nd shift operations: Cleaning Verification)
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• 2026 Future Talent Program - Co-op – In Vitro Translational Pharmacology - Co- Op
  USA - Pennsylvania - West PointFull timePosted May 2, 2026
• Associate Director, U.S. Marketing Ophthalmology HCP Field Execution
  USA - Pennsylvania - North Wales (Upper Gwynedd)Full timePosted May 2, 2026
• Directeur de Business Unit Ruminants (BUD) H/F
  FRA - Pays de la Loire - Beaucouzé (Siège)Full timePosted May 2, 2026
• Intern - Bachelor or Master Biology - Analytical Technical Solutions
  NLD - North Brabant - BoxmeerFull timePosted May 2, 2026
• Senior Specialist - SAP Integration Engineer
  NLD - North Brabant - BoxmeerFull timePosted May 2, 2026
• Alternance Assistant chef de projet pôle commercial - Accès au marché H/F
  FRA - Ile-de-France - Paris (Cour Michelet)Full timePosted May 2, 2026
• Key Account Manager (KAM) Companion Animal (m/f/d)
  CHE - Lucerne - Lucerne (Rösslimatt)Full timePosted May 2, 2026
• Medical Advisor Oncology / Directeur Médical Délégué Oncologie H/F
  3 LocationsFull timePosted May 2, 2026
• Spclst, Quality Control
  IRL - Carlow - CarlowFull timePosted May 2, 2026
• Improvement Engineer
  NZL - Wellington - Upper Hutt (Whakatiki)Full timePosted May 2, 2026
• Junior Manager Operations
  NLD - North Holland - HaarlemFull timePosted May 2, 2026
• Associate Specialist, Operations
  USA - North Carolina - Durham (Old Oxford)Full timePosted May 2, 2026
• Chronic Care Specialty Sales Representative - Chattanooga, TN
  USA - Tennessee - ChattanoogaFull timePosted May 2, 2026
• Associate Principal Scientist – Device Technical and Engineering Lead (Associate Director Equivalent)
  2 LocationsFull timePosted May 2, 2026
• Associate Principal Scientist, Statistical Programming
  USA - Pennsylvania - North Wales (Upper Gwynedd)Full timePosted May 2, 2026
• Distinguished Scientist, Clinical Research, Thoracic Malignancies
  3 LocationsFull timePosted May 2, 2026
• Executive Director, Asset Development Team Leader
  2 LocationsFull timePosted May 2, 2026
• Senior Specialist, Marketing
  USA - Pennsylvania - North Wales (Upper Gwynedd)Full timePosted May 2, 2026
• Translational Medicine Clinical Operations Immunology Therapeutic Area Lead (Prin. Scientist)
  4 LocationsFull timePosted May 2, 2026
• Vaccine Customer Representative - Jersey City
  USA - New Jersey - Jersey CityFull timePosted May 2, 2026
• Assoc. Dir, Operations Orchestration
  4 LocationsFull timePosted May 2, 2026
• Associate Specialist, Manufacturing Automation
  USA - Virginia - ElktonFull timePosted May 2, 2026
• Executive Director, Product Development Team Leader, Clinical Research, Hematology
  USA - Pennsylvania - North Wales (Upper Gwynedd)Full timePosted May 2, 2026
• Principal Scientist, Intravitreal Product Development
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Senior Scientist – Mixed modality Purification Scientist
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Product Manager Oncology & Specialties
  CHL - Santiago - Santiago (Calle Mariano)Full timePosted May 2, 2026
• Medical Manager
  PRI - Guaynabo - GuaynaboFull timePosted May 2, 2026
• Senior Scientist, Cell Based Sciences
  USA - Pennsylvania - West PointFull timePosted May 2, 2026
• Senior Specialist, SAP Data Engineering
  IND - Telangana - HyderabadFull timePosted May 2, 2026
• Site Inventory Coordinator
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Sr. Specialist, Field Enablement Planning & Execution
  USA - REMOTE - REMOTEFull timePosted May 2, 2026
• 2026 Future Talent Program – Cellular Pharmacology - Intern
  USA - Massachusetts - Boston (MA Parcel B Laboratory)Full timePosted May 2, 2026
• 2026 Future Talent Program - Global Workplace and Enterprise Services PA Operations - Co-Op
  USA - Pennsylvania - West PointFull timePosted May 2, 2026
• Associate Director, Engineering (Onsite)
  USA - Pennsylvania - West PointFull timePosted May 2, 2026
• Associate Director, Engineering- Small Molecule
  2 LocationsFull timePosted May 2, 2026
• Associate Director, Field Enablement Planning & Execution
  USA - Pennsylvania - North Wales (Upper Gwynedd)Full timePosted May 2, 2026
• Especialista de Marketing Animales de Compañía (Contrato Determinado)
  MEX - Federal District - Mexico CityFull timePosted May 2, 2026
• Pasante Planeación Demanda
  ECU - Pichincha - Quito (Citiplaza Head)Full timePosted May 2, 2026
• Senior Scientist, Engineering
  2 LocationsFull timePosted May 2, 2026
• Senior Specialist, DnA Data Engineer
  IND - Telangana - Hyderabad (HITEC City)Full timePosted May 2, 2026
• Specialist, Technical Analyst
  IND - Telangana - Hyderabad (HITEC City)Full timePosted May 2, 2026
• Alternance Spécialiste contrats et paiements au sein des études cliniques H/F
  2 LocationsFull timePosted May 2, 2026
• Assoc. II, Administrative Services
  USA - Pennsylvania - West PointFull timePosted May 2, 2026
• Companion Animal Representative - Hartford, CT
  2 LocationsFull timePosted May 2, 2026
• Companion Animal Senior Territory Representative – Northern, MI
  USA - REMOTE - REMOTEFull timePosted May 2, 2026
• Key Account Manager – Vaccines (Morocco)
  MAR - Casablanca - Casablanca (Tour Anfa Park)Full timePosted May 2, 2026
• Senior Scientist, Analytical R&D
  2 LocationsFull timePosted May 2, 2026
• Senior Scientist, Genomic Biomarkers & Companion Diagnostics
  USA - Massachusetts - Cambridge (320 Bent Street)Full timePosted May 2, 2026
• Senior Specialist – Stability & Sample Management
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Senior Utility Engineer
  2 LocationsFull timePosted May 2, 2026
• Specialist – Stability & Sample Management
  2 LocationsFull timePosted May 2, 2026
• Sr. Assoc, Administrative Services
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Sr. Scientist, Predictive Immune Biomarkers
  USA - Massachusetts - Cambridge (320 Bent Street)Full timePosted May 2, 2026
• Associate Principal Scientist, Analytical R&D
  USA - New Jersey - RahwayFull timePosted May 2, 2026
• Clinical Research Director, Peru
  PER - Lima - Lima (Andres Reyes WeWork)Full timePosted May 2, 2026
• Data Migration Lead – (SAP S/4HANA)
  CZE - Central Bohemian - Prague (IT Riverview)Full timePosted May 2, 2026
• Managing Director – Animal Health Belgium
  BEL - Brussels - Brussels (Souverain)Full timePosted May 2, 2026
• Director of Maintenance - Wilmington, Biotech
  USA - Delaware - Wilmington (Biotech)Full timePosted May 2, 2026
• Facilities Coördinator
  NLD - North Brabant - BoxmeerFull timePosted May 2, 2026
• Kıdemli Ürün Uzmanı - İzmir
  2 LocationsFull timePosted May 2, 2026
• Oncology Associate Brand and Customer Manager
  EGY - Cairo - Cairo (New Cairo)Full timePosted May 2, 2026
• Planning Specialist
  ESP - Salamanca - Salamanca (El Montalvo Parc.39)Full timePosted May 2, 2026
• QC Microbiology Analyst
  IRL - Meath - DunboyneFull timePosted May 2, 2026
• Senior Business Analyst - Automation, Analytics & AI
  4 LocationsFull timePosted May 2, 2026
• Senior Specialist, Public Cloud Networking
  IND - Telangana - Hyderabad (HITEC City)Full timePosted May 2, 2026
• Specjalista Automatyki
  POL - Greater Poland Voivodeship - WrzesniaFull timePosted May 2, 2026
• Sr. Tech, Quality Control
  IRL - Carlow - CarlowFull timePosted May 2, 2026
• Technical Business Analyst (Data & Analytics)
  CZE - Central Bohemian - Prague (IT Riverview)Full timePosted May 2, 2026
• Animal Technician – Biotechnicus
  NLD - North Brabant - BoxmeerFull timePosted May 2, 2026
• Associate Director, Therapeutic Area Head
  IND - Haryana - Gurgaon (Vatika Towers)Full timePosted May 2, 2026