Question 1

Is Illumina a good company to work for?

Accepted Answer

Illumina has an overall rating of 3.3 out of 5, based on over 2,977 reviews left anonymously by employees. This rating has decreased by 1% over the last 12 months. 46% of employees would recommend working at Illumina to a friend and 33% have a positive outlook for the business. The best reviews about Illumina have been left by employees working as Intern, Bioinformatics Scientist and Research Associate II.

Question 2

Does Illumina pay their employees well?

Accepted Answer

According to anonymously submitted Glassdoor reviews, Illumina employees rate their compensation and benefits as 3.4 out of 5. Find out more about salaries and benefits at Illumina. This rating has decreased by 1% over the last 12 months.

Question 3

How satisfied are employees working at Illumina?

Accepted Answer

46% of Illumina employees would recommend working there to a friend based on Glassdoor reviews. Employees also rated Illumina 3.7 out of 5 for work life balance, 3.3 for culture and values and 3.0 for career opportunities.

Question 4

What are the top reviewed jobs at Illumina?

Accepted Answer

Engineer (58), Software Engineer (57), Intern (47), Manufacturing Technician (47), Manager (45), Director (40), Scientist (34), Senior Manager (34), Associate Director (32), Senior Software Engineer (30), Research Associate (28), Senior Scientist (26), Quality Engineer (24), Project Manager (22), Bioinformatics Scientist (21)

Question 5

What are the pros of working at Illumina according to real employee reviews?

Accepted Answer

"Good benefits including company shutdowns one week in July and December" ((in 270 reviews)); "Good work life balance with hybrid and remote work options" ((in 155 reviews)); "Awesome and great colleagues." ((in 100 reviews)); "Campus is beautiful and centrally located." ((in 92 reviews)); "pay is good and the shift hours were amazing" ((in 75 reviews))

Question 6

What are the cons of working at Illumina according to real employee reviews?

Accepted Answer

"Poor management in Prototype Services department" ((in 135 reviews)); "Frequent layoffs (usually every 6months)" ((in 72 reviews)); "Workload can be overwhelming at times but managers do their best to support the employees" ((in 68 reviews)); "Some of the senior leadership (C" ((in 67 reviews)); "Upper management is afraid of firing people who do not perform at a decent level, no accountability." ((in 51 reviews))

Question 7

What are employees saying about Illumina layoffs in 2026?

Accepted Answer

Explore Glassdoor’s employee reviews to understand what current and former employees are saying about Illumina layoffs and their outlook for job security at Illumina in 2026.

Question 8

What are the top reviewed Illumina locations?

Accepted Answer

San Diego, Hayward, Foster City, Madison, San Francisco, La Jolla, New York, Los Angeles, San Jose, Salt Lake City, Redwood City, Santa Clara, Boston, Chicago, Phoenix, Washington, San Diego, Seattle, San Diego Country Estates, Birmingham, Saint Louis, Brooklyn, Hayward, Raleigh, San Antonio, Eden Prairie, American Canyon, Temecula, Carlsbad, Fremont

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