Tetra Tech reviews

3.8

75% would recommend to a friend

(1,903 total reviews)
avatar

Dan L. Batrack

74% approve of CEO

65% positive business outlook

Tetra Tech has an employee rating of 3.8 out of 5 stars, based on 1,903 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Tetra Tech employee rating is in line with the average (within 1 standard deviation) for employers within the Construction, Repair & Maintenance Services industry (3.7 stars).

Reviews by job title

2K reviews
2.0
Oct 8, 2025
Recommend
CEO approval
Business Outlook

Pros

Used to get experience in a lot of different projects and areas

Cons

Change of management and not clear expectations

4.0
Oct 8, 2025
Recommend
CEO approval
Business Outlook

Pros

Flexible hours, no micro management.

Cons

Long hours, sometimes unexpected work late at night

4.0
Oct 5, 2025

Good environment

Recommend
CEO approval
Business Outlook

Pros

Relaxed work and enjoyable work environment

Cons

No negatives overall good place to work

Viewing 88 - 90 of 1,903 Reviews

Glassdoor has 2,477 Tetra Tech reviews submitted anonymously by Tetra Tech employees. Read employee reviews and ratings on Glassdoor to decide if Tetra Tech is right for you.