Tetra Tech reviews

3.7

73% would recommend to a friend

(1,913 total reviews)
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Dan L. Batrack

71% approve of CEO

63% positive business outlook

Tetra Tech has an employee rating of 3.7 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
4.0
Jul 7, 2026
Recommend
CEO approval
Business Outlook

Pros

No micromanaging, flexible schedules ability to take time off whenever needed.

Cons

Only verbal instructions, they want you to just figure it out and will let you go without any notice. Supervisors talk about each other.

4.0
Jul 1, 2026
Recommend
CEO approval
Business Outlook

Pros

Awesome company to learn and work on multidisplinary projects.

Cons

Complicated hierarchy! Sometimes it is very hard to work with top level positions!

Viewing 523 - 525 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.