Tetra Tech reviews

3.8

74% would recommend to a friend

(1,913 total reviews)
avatar

Dan L. Batrack

72% approve of CEO

64% positive business outlook

Tetra Tech has an employee rating of 3.8 out of 5 stars, based on 1,913 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
5.0
Nov 12, 2025

Great place to make a real impact

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Working on the world’s big challenges in water, energy, sustainability and International Development. You can have a real impact! Class leading flexible work practices.

Cons

Always busy, but rewarded for your contribution

3.0
Oct 31, 2025
Recommend
CEO approval
Business Outlook

Pros

-Decent pay for jr position -some teams are good -can open door to utilities

Cons

-less opportunity to grow -office politics

1.0
Oct 23, 2025
Recommend
CEO approval
Business Outlook

Pros

Get opportunities to work on big projects

Cons

You’re only part of the big project, you’re seen more as a number than a someone with any skill

Viewing 1360 - 1362 of 1,913 Reviews

Glassdoor has 2,489 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.