Entry-Level Wastewater Process Mechanical Engineer

Carollo Engineers • Seattle, WA, United States • Posted June 24, 2026

Location Seattle, WA
Job Type Full-time
Category other-general
Posted June 24, 2026
**Overview**

Carollo Engineers, Inc., is an internationally recognized environmental engineering firm that specializes in the planning, design, and construction of water and wastewater facilities. Our vision is to become the best water consulting firm and we are looking for motivated, talented people to help us reach that goal.

We are seeking an entry level process mechanical wastewater engineer to support Carollo’s vision. As part of our team, you will work on projects related to municipal wastewater treatment plants, which may include treatment plant studies, expansions, and critical projects to help maintain a safe, sustainable and resilient environment for our community.

**Responsibilities**

+ Performing engineering work in wastewater treatment facilities
+ Wastewater process modeling and statistical data analysis
+ Development of alternative analysis for design options
+ Work on engineering planning and design projects
+ Prepare repo...

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