Is Illumina a good company to work for?

Illumina has an overall rating of 3.3 out of 5, based on over 2,980 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 .

Does Illumina pay their employees well?

According to anonymously submitted Glassdoor reviews, Illumina employees rate their compensation and benefits as 3.3 out of 5. Find out more about salaries and benefits at Illumina. This rating has decreased by 2% over the last 12 months.

How satisfied are employees working at Illumina?

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.

What are the top reviewed jobs at Illumina?

Engineer (58) , Software Engineer (58) , 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)

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

"Good benefits including company shutdowns one week in July and December" ((in 281 reviews)); "Good work life balance with hybrid and remote work options" ((in 153 reviews)); "Awesome and great colleagues." ((in 97 reviews)); "Campus is beautiful and centrally located." ((in 87 reviews)); "pay is good and the shift hours were amazing" ((in 72 reviews))

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

"Poor management in Prototype Services department" ((in 138 reviews)); "Frequent layoffs (usually every 6months)" ((in 76 reviews)); "Some of the senior leadership (C" ((in 69 reviews)); "Workload can be overwhelming at times but managers do their best to support the employees" ((in 66 reviews)); "Upper management is afraid of firing people who do not perform at a decent level, no accountability." ((in 52 reviews))

What are employees saying about Illumina layoffs in 2026?

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.

What are the top reviewed Illumina locations?

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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Illumina

Illumina reviews

3.3

46% would recommend to a friend

(2,569 total reviews)

Jacob Thaysen

51% approve of CEO

33% positive business outlook

Ratings by category

3.7

Diversity & inclusion

3.7

Work/Life balance

3.3

Culture & values

3.3

Compensation and benefits

3.0

Career opportunities

2.6

Senior management

Illumina has an employee rating of 3.3 out of 5 stars, based on 2,569 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).

Ratings by demographic groups

Race / Ethnicity

Gender

Sexual orientation

Disability

Parent or family caregiver

Veteran status

Reviews by job title

3K reviews

4.0

Jan 26, 2012

Fast paced and exciting

Technical applications scientist

Recommend

CEO approval

Business Outlook

Pros

This is a very engaging place to work. The technology is exciting and you will never be bored.

Cons

The fast pace can be difficult to keep up with and information is often hard to obtain. There is a lack of infrastructure to adequately support our products. Improvements have been made, but additional changes are needed allow rapid and prepared responses to customer problems

4.0

Apr 18, 2012

good energy, but a little disorganzed

Anonymous employee

Recommend

CEO approval

Business Outlook

Pros

The people The technology The vacation policy

Cons

Very political Competitive when we should be cooperating Egos at the top

5.0

Jun 25, 2012

Dynamic Employer

Anonymous employee

Recommend

CEO approval

Business Outlook

Pros

Great industry - genetic analysis has a huge future, and is populated by smart, effective people Great technology - SBS chemistry is the most accurate, reliable method for analyzing genetic data, and Illumina's arrays are unparalled Great people - Illumina employees are smart, motivated, innovative and values-based Great performance - Illumina's financial performance over the long haul is really strong

Cons

The company is getting bigger, and the infrastructure is evolving slower than needed. Key professionals in support functions feel the company under-invests in their areas of expertise.

Viewing 2563 - 2565 of 2,569 Reviews

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Jobs at Illumina

Sr. Scientist - Electrochemist

Staff Supplier Relationship

Senior Staff Supplier Relationship

Director Operational Excellence

Sr. Sales Operations Analyst