MSD (Merck & Co., Inc.)
Research-led biopharmaceutical company known for KEYTRUDA, vaccines and animal health; branded MSD outside the U.S. and Canada.
Highlights
Founded January 1, 1891
Established in the United States by George Merck.
$65.0B 2025 revenue
Worldwide sales reported for the year ended December 31, 2025.
Approximately 75,000 employees
Company headcount as of December 31, 2025.
$15.8B 2025 R&D expense
Reported research and development spending.
$31.7B KEYTRUDA sales in 2025
KEYTRUDA and KEYTRUDA QLEX generated the company's largest product sales.
$6.4B 2025 Animal Health sales
Animal Health sales grew 8% in 2025.
About MSD (Merck & Co., Inc.)
Merck & Co. was founded in the United States on January 1, 1891, by George Merck. It is distinct from the unaffiliated German company Merck KGaA and operates as MSD outside the United States and Canada.
MSD develops and sells prescription medicines, vaccines, biologic therapies and animal-health products. Its major pharmaceutical areas include oncology, vaccines, cardiometabolic and respiratory medicine, diabetes, immunology and infectious diseases.
The company is especially strong in oncology, led by KEYTRUDA, and maintains a large research operation alongside a substantial animal-health business. For business students, internships and early-career roles span finance, marketing, supply chain, manufacturing, information technology and other corporate functions.
Current openings
21 live · 82 totalIntern Finance
Off-cycle · EU
Closing soon
6 Nov 26 4d
Closing soon
7 Nov 26 5d
Closing soon
7 Nov 26 5d
Business Insights Analyst
Spring week · EU
Closing soon
9 Nov 26 7d
Business Insights Analyst Oncology
Spring week · EU
Open
10 Nov 26 8d
Intern – Logistics/Supply Chain Management - Import & Export
Off-cycle · EU
Open
14 Nov 26 12d
Open
14 Nov 26 12d
Intern - Finance - Financial Reportings
Off-cycle · EU
Open
21 Nov 26 19d
Open
29 Nov 26 27d
Werkstudent (m/w/d) Research Antiparasitics
Off-cycle · EU
Open
31 Dec 26 59d
Werkstudent (m/w/d) Quality Assurance Systems
Off-cycle · EU
Open
31 Jan 27 90d
Pharmazeut (m/w/d) im Praktikum in der Produktion
Off-cycle · EU
Open
31 Jan 27 90d
Pharmazeut (m/w/d) im Praktikum in der Qualitätskontrolle
Off-cycle · EU
Open
31 Jan 27 90d
Werkstudent (m/w/d) in der Qualitätskontrolle
Off-cycle · EU
Open
31 Jan 27 90d
Werkstudent (m/w/d) Einkauf
Off-cycle · EU
Open
31 Jan 27 90d
Stage Chargé d'optimisation de flux logistiques H/F
Off-cycle · EU
Open
31 Jan 27 90d
Werkstudent (m/w/d) Pharmakovigilanz
Off-cycle · EU
Open
31 Jan 27 90d
Stage affaires publiques et engagement patient Oncologie H/F
Off-cycle · EU
Open
1 Feb 27 91d
Werkstudent (m/w/d) Patient Engagement
Off-cycle · EU
Open
28 Feb 27 118d
Open
31 Mar 27 149d
Graduate - Finance & Accounting
Graduate · UK
Dates TBC
TBC
Graduate - Finance & Accounting
Graduate · UK
Closed
7 Oct 25 closed
Procurement BRM Intern
Off-cycle · EU
Closed
11 Sept 26 closed
Intern – Lab Ops Associate Technical Specialist
Off-cycle · EU
Closed
16 Sept 26 closed
Environmental, Health and Safety Intern
Off-cycle · EU
Closed
16 Sept 26 closed
MS&T Intern (Lab)
Off-cycle · EU
Closed
16 Sept 26 closed
Manufacturing Intern, Operations
Off-cycle · EU
Closed
16 Sept 26 closed
QC Analyst Internship
Off-cycle · EU
Closed
16 Sept 26 closed
QC Microbiology Internship - Dunboyne
Off-cycle · EU
Closed
16 Sept 26 closed
Quality Assurance Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Quality Assurance Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Analytical Development and Commercialisation (ADC) Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Associate Quality Specialist Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Business Excellence Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Scientist/Chemistry Internship - Ballydine
Off-cycle · EU
Closed
16 Sept 26 closed
Downstream Operations Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Environmental, Health and Safety Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Health Policy Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Intern – Lab Ops Associate Technical Specialist
Off-cycle · EU
Closed
16 Sept 26 closed
Internship, Process Sciences
Off-cycle · EU
Closed
16 Sept 26 closed
Logistics Internship - Carlow
Off-cycle · EU
Closed
16 Sept 26 closed
Manufacturing Operations Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Manufacturing Operations Internship - Carlow
Off-cycle · EU
Closed
16 Sept 26 closed
Operations Internship - Carlow
Off-cycle · EU
Closed
16 Sept 26 closed
Operations Technical Specialist – Vaccines Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Operations Technical Specialist - Vaccines Internship
Off-cycle · EU
Closed
16 Sept 26 closed
PMO Internship - Biotech
Off-cycle · EU
Closed
16 Sept 26 closed
QA Operations Intern
Off-cycle · EU
Closed
16 Sept 26 closed
QC Bioanalytical Internship
Off-cycle · EU
Closed
16 Sept 26 closed
QC Internship
Off-cycle · EU
Closed
16 Sept 26 closed
QC Microbiology Lab Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Quality Assurance Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Quality Control Internship - Carlow
Off-cycle · EU
Closed
16 Sept 26 closed
Safety & Environment Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Safety & Environment Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Safety & Environmental Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Site Facilities Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Supplier Management Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Supply Chain Internship - Brinny
Off-cycle · EU
Closed
16 Sept 26 closed
Supply Chain Management Internship
Off-cycle · EU
Closed
16 Sept 26 closed
Technical Operations Intern - Carlow
Off-cycle · EU
Closed
16 Sept 26 closed
Upstream Operations Support Intern
Off-cycle · EU
Closed
16 Sept 26 closed
Validation Intern - Carlow
Off-cycle · EU
Closed
16 Sept 26 closed
Global Finance Traineeship - Cost of Sales and Inventory
Graduate · EU
Closed
17 Sept 26 closed
Intern - Applied Statistics - Innovation & Engineering
Off-cycle · EU
Closed
3 Oct 26 closed
Finance Internship - Dunboyne
Off-cycle · EU
Closed
3 Oct 26 closed
Finance Internship - Brinny
Off-cycle · EU
Closed
4 Oct 26 closed
Student Placement - Clinical Research
Off-cycle · UK
Closed
13 Oct 26 closed
Student Placement - Corporate Affairs
Off-cycle · UK
Closed
13 Oct 26 closed
Student Placement - Regional Regulatory Operations Associate Specialist (EU & EEMEA)
Off-cycle · UK
Closed
13 Oct 26 closed
Student Placement - Regulatory Affairs CMC
Off-cycle · UK
Closed
13 Oct 26 closed
Project Management Office Internship - Dunboyne
Off-cycle · EU
Closed
15 Oct 26 closed
Stage nel dipartimento di Ricerca Clinica
Off-cycle · EU
Closed
15 Oct 26 closed
Alternance Qualité Opérationnelle H/F
Off-cycle · EU
Closed
15 Oct 26 closed
Alternance Technicien de Laboratoire Chimie H/F
Off-cycle · EU
Closed
15 Oct 26 closed
Student Placement - Pharmaceutical Business Operations & Project Management
Off-cycle · UK
Closed
20 Oct 26 closed
IPT Operations Internship - Carlow
Off-cycle · EU
Closed
22 Oct 26 closed
Medical Affairs Intern
Off-cycle · EU
Closed
22 Oct 26 closed
Internship in Process & Support Operations (12 months)
Off-cycle · EU
Closed
27 Oct 26 closed
Intern – Formulation - Discovery and Technology Research
Off-cycle · EU
Closed
31 Oct 26 closed
Business Insights Analyst
Spring week · EU
Closed
31 Oct 26 closed
Stage nel dipartimento di Marketing Vaccini - HPV
Off-cycle · EU
Closed
2 Nov 26 today
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