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Explore and apply for new Wastewater Treatment jobs in Washington, Seattle, Bellevue, Spokane. Free job posting site for employers listing local & state-wide job openings in private companies plus federal government roles. Explore Engineering opportunities in Washington, USA, for example, Critical Utilities Technician (I–III) — Night Shift Spokane, Senior Operator, Sewage Plant - Military Services Group, Professional Water/Wastewater Engineer or Engineer-in-Training.

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Wastewater Treatment jobs USA State list WA Newest Jobs Wastewater Treatment job search Washington

Wastewater Treatment Jobs in Washington by City

Seattle (13 postings) Wastewater Treatment...; Sr. Water Quality...

Spokane (7 postings) Critical Utilities Tech...; Senior Industrial...

Yakima (4 postings) Water Treatment Plant...; Water Treatment Plant...

Bellevue (3 postings) Senior Industrial...; Operations Specialist -...

Kennewick (3 postings) Professional...; Professional...

Tacoma (3 postings) Senior Industrial...; Advanced Wastewater...

Vancouver (3 postings) Senior Industrial...; Senior Water Treatment...

Federal Way (2 postings) Wastewater Process...; Senior Industrial...

North Bothell Area (2 postings) Water/Wastewater...; Water/Wastewater...

Renton (2 postings) 2026 Wastewater...; Senior Industrial...

Richland (2 postings) Entry-Level...; Entry-Level...

Bellingham (1 posting) Senior Industrial...

Everett (1 posting) Senior Industrial...

Kent (1 posting) Senior Industrial...

Maple Valley (1 posting) Landfill Wastewater...

Olympia (1 posting) Industrial Wastewater...

Sunnyside (1 posting) Wastewater Treatment &...

Some of the Last Jobs Posted:

today 1. Critical Utilities Technician (I–III) — Night Shift Spokane Job in Spokane, Washington, USA

Trades / Skilled Labor (Maintenance Technician / Mechanic, Utility Technician, HVAC Tech / Heating Engineer, Wastewater Treatment)

Join a Leader in Pharmaceutical Manufacturing - And Build What's Next - As Spokane's Largest Manufacturing Company, Jubilant...
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Critical Utilities Technician (I–III) — Night Shift Spokane Job

Listing for: Jubilant HollisterStier LLC

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today 2. Professional Water/Wastewater Engineer or Engineer-in-Training Job in Kennewick, Washington, USA

Engineering (Water Engineer, Environmental Engineer, Civil Engineering, Wastewater Treatment)

Description - Professional Water/Wastewater Engineer or Engineer - in - Training - Location: - Kennewick, WA - At J - U - B ENGINEERS,...
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Professional Water/Wastewater Engineer or Engineer-in-Training Job

Listing for: jub.com

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1 day ago 3. Senior Operator, Sewage Plant - Military Services Group Job in Joint Base Lewis McChord, Washington, USA

Maintenance/Cleaning (Utility Technician, Maintenance Technician / Mechanic, Wastewater Treatment)

Location: Joint Base Lewis McChord - Senior Operator, Sewage Plant - Military Services Group By continuing to use and navigate this...
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Senior Operator, Sewage Plant - Military Services Group Job

Listing for: American Water Co.

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1 day ago 4. Critical Utilities Tech I,II,III Job in Spokane, Washington, USA

Trades / Skilled Labor (Utility Technician, Maintenance Technician / Mechanic, HVAC Tech / Heating Engineer, Wastewater Treatment)

Critical Utilities Tech I,II,III Job

Listing for: Jubilant HollisterStier LLC

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1 day ago 5. Senior Operator, Sewage Plant - Military Services Group Job in Joint Base Lewis McChord, Washington, USA

Maintenance/Cleaning (Utility Technician, Maintenance Technician / Mechanic, Wastewater Treatment)

Location: Joint Base Lewis McChord - Senior Operator, Sewage Plant - Military Services Group By continuing to use and navigate this...
JobLeads is a digital career coach enabling professionals worldwide to get the job they desire. Our mission is to...

Senior Operator, Sewage Plant - Military Services Group Job

Listing for: American Water Co.

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2 days ago 6. Advanced Wastewater Maintenance Technician Job in Tacoma, Washington, USA

Trades / Skilled Labor (Maintenance Technician / Mechanic, HVAC Tech / Heating Engineer, Building Maintenance, Wastewater Treatment)

Pierce County is seeking a skilled Wastewater Maintenance Technician to support the operation, maintenance, repair, and installation of...
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Advanced Wastewater Maintenance Technician Job

Listing for: Pierce County

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3 days ago 7. Custodian - West Point Job in Seattle, Washington, USA

Maintenance/Cleaning (Maintenance Technician / Mechanic, Maintenance Worker, Wastewater Treatment)

This is a transfer opportunity, and first consideration is given to qualified transfer - eligible employees in the job classification...
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Custodian - West Point Job

Listing for: King-County,-W

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3 days ago 8. Water Treatment Plant Operator III Job in Yakima, Washington, USA

Engineering (Maintenance Technician / Mechanic, Wastewater Treatment)

MINIMUM REQUIRENTS - High school graduation or GED and any combination of education and experience equivalent to four years'...
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Water Treatment Plant Operator III Job

Listing for: City of Yakima, WA

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5 days ago 9. Water & Wastewater Project Engineer 1 Job in Bellevue, Washington, USA

Engineering (Water Engineer, Wastewater Treatment, Water Management, Environmental Engineer)

15325 SE 30th Pl, Suite 300, Bellevue, WA 98007, USA - Pay or shift range: $ to $ USD - The estimated range is the budgeted amount for...
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Water & Wastewater Project Engineer 1 Job

Listing for: Dowl, Llc

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5 days ago 10. Senior Water Treatment Engineer - Remote-Eligible (Remote / Online) - Candidates ideally in Vancouver, Washington, USA

Engineering (Water Engineer, Environmental Engineer, Wastewater Treatment, Water Management)

Ensero Solutions is seeking a Senior Water Treatment Specialist to lead design, construction, commissioning and optimization of water...
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Senior Water Treatment Engineer - Remote-Eligible Job

Listing for: Medium

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1 week ago 11. Wastewater Process Engineer Job in Federal Way, Washington, USA

Engineering (Water Engineer, Environmental Engineer, Wastewater Treatment)

Founded in 1919, KJ has always looked to the future. With a talented team of professionals and a culture of continuous improvement, we...
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Wastewater Process Engineer Job

Listing for: Kennedy Jenks Consultants

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1 week ago 12. Senior Water Treatment Engineer - Remote-Eligible (Remote / Online) - Candidates ideally in Vancouver, Washington, USA

Engineering (Water Engineer, Environmental Engineer, Wastewater Treatment, Water Management)

Ensero Solutions is seeking a Senior Water Treatment Specialist to lead design, construction, commissioning and optimization of water...
JobLeads is a digital career coach enabling professionals worldwide to get the job they desire. Our mission is to...

Senior Water Treatment Engineer - Remote-Eligible Job

Listing for: Medium

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1 week ago 13. Sr. Water Quality Engineer Job in Seattle, Washington, USA

Engineering (Water Engineer, Environmental Engineer, Water Management, Wastewater Treatment)

Position Description - Seattle Public Utilities (SPU) is seeking a Senior Water Quality Engineer to help protect and enhance one of the...
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Sr. Water Quality Engineer Job

Listing for: Seattle Public Utilities

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1 week ago 14. Senior Industrial Wastewater Engineer; Environmental Engineer Job in Federal Way, Washington, USA

Engineering (Environmental Engineer, Environmental Compliance & Protection, Wastewater Treatment, Water Engineer)

Position: Senior Industrial Wastewater Engineer (Environmental Engineer 5) - Description - The salary listed above includes the scheduled...
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