Illumina reviews

3.3

46% would recommend to a friend

(2,566 total reviews)
avatar

Jacob Thaysen

53% approve of CEO

33% positive business outlook

Illumina has an employee rating of 3.3 out of 5 stars, based on 2,566 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Illumina employee rating is in line with the average (within 1 standard deviation) for employers within the Pharmaceutical & Biotechnology industry (3.5 stars).

Reviews by job title

3K reviews
3.0
Oct 17, 2025

Toxic workplace

Recommend
CEO approval
Business Outlook

Pros

Many teams have smart, motivated, and capable coworkers.

Cons

Heavy internal politics & silos. Misaligned priorities & conflicting goals. Experience will depend heavily on manager/team — it can vary from inspiring to draining

3.0
Oct 16, 2025

Change in culture

Recommend
CEO approval
Business Outlook

Pros

- Work life balance - Peer relations - Mission of the business

Cons

- Pay is not competitive - Cost cutting everywhere - Poor senior leadership - Lack of transparent communication

4.0
Oct 15, 2025

Working here

Recommend
CEO approval
Business Outlook

Pros

Nice colleagues and team mates here

Cons

Can feel a lot of uncertainties. Benefits are getting cut away

Viewing 112 - 114 of 2,566 Reviews

Glassdoor has 2,977 Illumina reviews submitted anonymously by Illumina employees. Read employee reviews and ratings on Glassdoor to decide if Illumina is right for you.