UNKNOWN

FEED

As the Water/Wastewater Engineer, you will contribute to the design and implementation of water and wastewater systems, including treatment facilities, pump stations, and distribution networks. Experience: Minimum 5 years in water/wastewater engineering, including design of water distribution, wastewater collection systems, and pump stations.

YEAR

Hanson Professional Services Inc

Water/Wastewater Engineer

Hanson Professional Services

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Our collaborative, multidisciplinary group spanning architectural, structural, civil, electrical, mechanical, process engineering, pipeline design, and integrity management works together to deliver integrated, high‑impact solutions. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement, Kleinfelder, and its' subsidiaries and affiliates, explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

The Kleinfelder Group Inc

Perform planning, analysis, design, and construction support for municipal drinking water and wastewater infrastructure projects, including water supply, treatment, storage, and distribution systems, wastewater collection, pump stations, lift stations, force mains, treatment, and related municipal systems. Work independently on assigned engineering project and tasks while collaborating effectively with Wilson & Company project managers, technical leads, junior engineers, designers, and support staff.

Wilson & Company

Typical tasks you will work on include sanitary sewer piping, wastewater pump stations, wastewater treatment facilities, water piping, water supply wells, water storage tanks, and water treatment facilities. As a Project Water/Wastewater Engineer, you will apply diversified knowledge of engineering principles and practices to a broad variety of assignments and independently make decisions regarding engineering complexities on small projects.

Olsson Associates

Project Engineer - Water/Wastewater

Salary Range: (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, as well as internal and external equity) Statement on Diversity and Inclusion Farnsworth Group is a collection of employees with unique backgrounds and perspectives that all come together to make us a better Company. For ten consecutive years, we’ve been certified as a Great Place to Work®, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us.

Farnsworth Group

Water/Wastewater Engineer - Project Manager

Projects include sanitary sewer piping, wastewater pump stations, wastewater treatment facilities, water piping, water supply wells, water storage tanks, and water treatment facilities. Collaborate with other teams on wastewater collection and treatment projects, along with water supply, storage, treatment, and distribution.

Harrison Consulting Solutions

HOUR

Gonzalez Companies is a partner managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts; Departments of Transportation; and municipalities. Working primarily in the Greater St. Louis, Chicago, and Louisville metro areas, Gonzalez offers a great work environment, generous benefit packages, and opportunities to succeed in many professional disciplines.

Gonzalez Companies

Project Engineer III/IV - Water/Wastewater

PinpointHQ

Typical tasks you will work on include sanitary sewer piping, wastewater pump stations, wastewater treatment facilities, water piping, water supply wells, water storage tanks, and water treatment facilities. As a Licensed Engineer on the Water/Wastewater team, you will perform various engineering and project management duties related to evaluating, designing, and constructing plans for small to large-sized projects.

Licensed Engineer - Water/Wastewater

Typical projects include sanitary sewer piping, wastewater pump stations, wastewater treatment facilities, water piping, water supply wells, water storage tanks, and water treatment facilities. As a Senior Engineer on the Water/Wastewater team, you'll provide high-level technical support and lead quality assurance/quality control (QA/QC) activities that drive excellence in water and wastewater engineering.

Senior Engineer - Water/Wastewater

FULL_TIME

Our collaborative, multidisciplinary group spanning architectural, structural, civil, electrical, mechanical, process engineering, pipeline design, and integrity management works together to deliver integrated, high‑impact solutions. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement, Kleinfelder, and its’ subsidiaries and affiliates, explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

Kleinfelder Australia Inc

[AW]-iCims

As an Entry-Level Engineer for the Water/Wastewater team, you will provide project design utilizing CAD/modeling software, perform technical analysis, prepare construction documents, provide construction services, perform research, and write technical reports. Typical projects you will work on include sanitary sewer piping, wastewater pump stations, wastewater treatment facilities, water piping, water supply wells, water storage tanks, and water treatment facilities.

Entry-Level Engineer - Water/Wastewater

Proficiency with CADD, 3D/4D modeling tools, and engineering design software Strong understanding of engineering design principles Skilled with Microsoft Office tools (Excel, Word, etc.) Excellent verbal and written communication skills Working knowledge of federal, state, and local regulations. You'll partner with senior subject‑matter experts and project managers to shape project direction, solve complex design challenges, and bring sustainable solutions to life for our clients and communities.

CDM Smith Inc

Senior Municipal Water/Wastewater Engineer

ADAPTED_NOW

With a diverse knowledge base, Snyder & Associates helps develop water and wastewater solutions to overcome the challenges facing water and wastewater systems. We’re prepared to assist with all project aspects, from the initial planning and funding qualification process, to design and construction document preparation, and finally through bidding and construction administration.

Snyder & Associates

Civil Engineer - Water & Wastewater Sytems

Shuck Britson

Olsson

GreenHouseAPI

United States-Missouri-Kansas City'',''United States-Missouri-Kansas City'',''United States-Missouri-St Louis, United States-Missouri-Columbia, United States-Missouri-Forsyth, United States-Missouri-Springfield'',''United States-Missouri-St Louis, United States-Missouri-Columbia, United States-Missouri-Forsyth, United States-Missouri-Springfield'','''','''','''','''','''','''',''Water'',''Water'',''Full-time'',''Full-time'',''Regular'',''Regular'','''','''',''WW Treatment and Effluent Mgmt'',''WW Treatment and Effluent Mgmt'',''Jul 22, 2026'',''Jul 22, 2026'',''false'',''787879'',''787879'',''true'',''787879'',''false'',''Submission for the position: Water/Wastewater Engineer - (Job Number: 194410)'',''false'',''787879'',''false'',''true''. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute.

HDR Inc

OTHER

GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. Design & Deliver: Lead the full lifecycle of water and wastewater projects—treatment plants, pump stations, pipelines, distribution and collection systems.

Gpac’s mission is to be the preferred staffing and recruitment solution by effectively delivering and connecting talent with successful companies and organizations. 
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Our team, with collective experience of over 250 years, is passionate about wh

Gpac

LogicMelon

The Mechanical Engineer will be responsible for process HVAC design, plumbing design, mechanical equipment selection, and the preparation of specifications, drawings, and shop drawing reviews for water and wastewater treatment facility projects throughout the United States. The engineer will interface with suppliers, clients, multidisciplinary engineering teams, and designers/detailers, while also preparing construction and installation scopes of work for mechanical systems.

Water And Wastewater Engineer Jobs in Missouri

Water/Wastewater Engineer Hanson Professional Services Inc

Water/Wastewater Engineer Hanson Professional Services

Water/Wastewater Engineer The Kleinfelder Group Inc

Water/Wastewater Engineer Wilson & Company

Project Engineer - Water/Wastewater Olsson Associates

Water/Wastewater Engineer - Project Manager Farnsworth Group

Water/Wastewater Engineer Harrison Consulting Solutions

Project Engineer III/IV - Water/Wastewater Gonzalez Companies

Licensed Engineer - Water/Wastewater Olsson Associates

Senior Engineer - Water/Wastewater Olsson Associates

Water/Wastewater Engineer Kleinfelder Australia Inc

Entry-Level Engineer - Water/Wastewater Olsson Associates

Senior Municipal Water/Wastewater Engineer CDM Smith Inc

Civil Engineer - Water & Wastewater Sytems Snyder & Associates

Licensed Engineer - Water/Wastewater Olsson

Water/Wastewater Engineer HDR Inc

Entry-Level Engineer - Water/Wastewater Olsson

Water/Wastewater Engineer Gpac

Mechanical Engineer - Water/Wastewater Treatment Facilities (Kansas City) Burns & McDonnell

Project Engineer III/IV - Water/Wastewater Trilon Group

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