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Merck

Makes medicines, vaccines and animal treatments

Life Sciences/Molecular Virology Intern - Discovery & Technology

InternshipPosted on 10/21/2026Deadline 11/7/26
€2.88/hr
Bachelor's, Master's
Boxmeer, Netherlands
In Person
Biology & BiotechTranslational Research & Bench Biology

About the job

Requirements
  • Be a final-year BSc or MSc student in Life Sciences.
  • Have excellent written and verbal communication skills in Dutch and/or English.
  • Be available for 6–9 months, 4–5 days per week.
  • Take initiative and be enthusiastic about learning.
Responsibilities
  • Conduct early-stage research on a recombinant viral vector-based vaccine, including production of recombinant viruses and screening for suitable vaccine candidates.
  • Design, rescue, and test vaccine candidates in an in-vitro system; select candidates for in-vivo studies based on the results.
  • Use recombinant virus technologies and tissue culture techniques.
  • Apply critical scientific thinking.
  • Present and communicate research results.
  • Share opinions and provide a fresh perspective to the department.
  • Perform assigned tasks independently after appropriate training and learning; tasks may be supplemented by other projects or organizational tasks.
Desired Qualifications
  • Familiarity with molecular biology, cell culture, viruses, and/or vaccines.

About the company

Merck develops prescription medicines, vaccines and veterinary treatments for patients, health systems and animal owners worldwide. Its vaccine portfolio includes Gardasil 9, which helps prevent cancers and other diseases caused by several types of human papillomavirus. The company takes potential treatments through laboratory research and clinical trials, then manufactures and sells approved products to drug distributors, hospitals, physicians and governments. Its animal health division sells medicines and vaccines to veterinarians, farmers and pet owners, while selected drug partnerships also earn shared profits or royalties. Founded in 1891, Merck is headquartered in Rahway, New Jersey.

Company Size

10,001+

Company Stage

IPO

Headquarters

Rahway, New Jersey

Founded

1891

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Simplify's Take

What believers are saying

  • U.S. employees build retirement benefits: Merck pairs a defined benefit pension with a matching 401(k).
  • Scientists work within a large research network: Merck reports approximately 24,700 employees in R&D.
  • Animal health adds growth: August 2026 results report Q2 sales of $1.8 billion, up 8% year over year.

What critics are saying

  • Job security faces cuts: Merck's active restructuring program eliminates roles and shrinks its global real estate footprint.
  • Keytruda protection narrows: its main U.S. patent expires in 2028, with additional patents expiring in 2029.
  • Revenue is concentrated: August 2026 results show Keytruda products generated $8.4 billion of Merck's $16.6 billion Q2 sales.

What makes Merck unique

  • Merck extends into farm technology: SenseHub continuously monitors livestock for behavioral and physiological changes.
  • Merck publishes open medical knowledge: its Manuals give clinicians and patients free online references.
  • Merck's donation commitment is open-ended: Mectizan supplies for river blindness continue for as long as needed.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Retirement Plan
  • 401(k) Company Match
  • Paid Vacation
  • Paid Sick Leave
  • Hybrid Work Options

Growth & Insights and Company News

6 month growth

-19%

1 year growth

-20%

2 year growth

-20%
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Oct 22nd, 2026
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Moderna shares fell 18% after detailed Phase 3 results for its personalised melanoma vaccine, developed with Merck, appeared online two days before their scheduled presentation. The data surfaced on medical news site Oncology Central and was taken down shortly afterwards. Trading in Moderna was halted for volatility. The leaked data still looks positive. Adding the vaccine, intismeran autogene, to Merck's Keytruda cut the risk of recurrence or death by 42% versus Keytruda alone. After two years, 82.2% of patients on the combination were alive and cancer-free, against 70% on Keytruda alone. The trial enrolled 1,137 patients. The stock had risen more than eightfold this year, and traded at about 52x forward sales before the drop. The 42% figure also trails the 49% from the smaller Phase 2b trial. Full results are due at the ESMO Congress on Saturday.

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Oct 22nd, 2026
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Yahoo Finance
Oct 21st, 2026
Keytruda is half of Merck's $16.6B quarterly sales, so what if growth stalls?

Merck's Keytruda cancer drug family generated $8.4 billion in fiscal Q2 2026, about half of the company's $16.6 billion revenue. Excluding currency, Keytruda sales grew 4%, the same pace as total revenue. Management said on the August 4 call that US Keytruda growth will moderate as the drug reaches peak penetration. A Dutch court has also barred Merck from selling subcutaneous Keytruda in eight European markets, Barron's reported. Newer drugs are growing faster. WINREVAIR sales rose 75% to $588 million, and WELIREG sales rose 67%. Free cash flow of $16.1 billion covered dividends of $8.3 billion about twice. Total debt rose to $53.9 billion from $35.4 billion a year earlier. Merck is expected to report results on October 29.

Ash
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Ash secures $10M Series A funding led by Merck GHI Fund. We are scaling at home lab test programs to close care gaps and bring patients into the care cycle.

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