Merck Operations Manager reviews

4.0

98% would recommend to a friend

(55 total reviews)
avatar

Rob Davis

61% approve of CEO

63% positive business outlook

Operations Manager employees have rated Merck with 4.0 out of 5 stars, based on 55 company reviews on Glassdoor. This indicates that most Operations Manager professionals have a good working experience there. Merck is rated in line with the average (within 1 standard deviation) by Operations Manager professionals compared to other employers within the Farmacéutica y biotecnología industry (3.5 stars).

Reviews by job title

55 reviews
4.0
Jan 3, 2026

Good company

Recommend
CEO approval
Business Outlook

Pros

Great benefits and great experience.

Cons

Union environment takes time getting used to.

3.0
Nov 29, 2025
Recommend
CEO approval
Business Outlook

Pros

Good benefits. Dedicated colleagues. Stable 401k.

Cons

Salary not as competitive as some in the area. An increasingly disconnected senior leadership.

Viewing 1 - 3 of 55 Reviews

Glassdoor has 8,163 Merck reviews submitted anonymously by Merck employees. Read employee reviews and ratings on Glassdoor to decide if Merck is right for you.