Wastewater Treatment Engineer Jobs in Oregon

Wastewater Treatment Engineer jobs in Oregon are open across Portland and other Oregon metros, with employers like CONSOR Engineers, Carollo Engineers, and Clean Harbors hiring at every experience level. Find a role that fits below and apply directly.

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Overview

Open roles7+
Top employerCONSOR Engineers
Top cityPortland, OR
Work type71% On-site
Top industryConsulting

Showing 5 of 7+ Wastewater Treatment Engineer jobs

Consor Engineers
Water & Wastewater Engineering Designer
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Consor Engineers
Added 1w ago
Water & Wastewater Engineering Designer
Consor Engineers
Portland, Oregon
Specialized Engineering
Civil & Structural Engineering
Engineering (Non-Software)
Civil Engineering
Environmental Engineering
Drafting & CAD
$92k - $110k/yr
Hybrid
Bachelor's
1,001-5,000

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Consor Engineers
Water & Wastewater Engineering Designer
We won't show you this job again
Consor Engineers
Added 1w ago
Water & Wastewater Engineering Designer
Consor Engineers
Portland, Oregon
Specialized Engineering
Civil & Structural Engineering
Engineering (Non-Software)
Civil Engineering
Environmental Engineering
$92k - $110k/yr
Hybrid
Bachelor's
1,001-5,000

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Carollo Engineers
Senior Wastewater Engineer
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Carollo Engineers
Added 4mo ago
Senior Wastewater Engineer
Carollo Engineers
Portland, Oregon
Specialized Engineering
Civil & Structural Engineering
Project & Program Management
Engineering (Non-Software)
Civil Engineering
On-Site
Bachelor's

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Carollo Engineers
Senior Wastewater Engineer
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Carollo Engineers
Added 9mo ago
Senior Wastewater Engineer
Carollo Engineers
Portland, Oregon
Specialized Engineering
Civil & Structural Engineering
Engineering (Non-Software)
Civil Engineering
Environmental Engineering
On-Site
Bachelor's
1,001-5,000

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Clean Harbors
Wastewater Technician
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Clean Harbors
Added 1w ago
Wastewater Technician
Clean Harbors
Portland, Oregon
Manufacturing Operations
Specialized Engineering
Environmental Engineering
$18 - $36/hr
On-Site
High School
10,000+

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See All 7 Wastewater Treatment Engineer Jobs in Oregon

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Wastewater Treatment Engineer Jobs by City in Oregon

Where Oregon roles are concentrated, by current openings.

Portland
7 jobs

Wastewater Treatment Engineer Job Market in Oregon

A snapshot from current Oregon openings, updated as new roles post.

Who's Hiring

  • CONSOR Engineers
    CONSOR Engineers2
  • Carollo Engineers
    Carollo Engineers2
  • Clean Harbors
    Clean Harbors1
  • HDR
    HDR1
  • Pentagon Technologies
    Pentagon Technologies1

Top Industries Hiring

  • Consulting & Professional Services5
  • Electronics & Hardware1

What Oregon Employers Look For

The qualifications that appear most often in wastewater treatment engineer jobs across Oregon.

  • Bachelor's degree in civil, environmental, or chemical engineering from an ABET-accredited program
  • Professional Engineer (PE) license or active EIT status with a plan to sit for the PE exam
  • Experience with wastewater treatment plant design, operations, or process optimization
  • Proficiency in modeling and design tools such as BioWin, WaterGEMS, AutoCAD, or EPA SWMM
  • Familiarity with NPDES permit requirements, Clean Water Act compliance, and state discharge regulations
  • Experience preparing engineering reports, construction documents, and regulatory submissions

Wastewater Treatment Engineer Jobs in Oregon: Frequently Asked Questions

How many wastewater treatment engineer jobs are there in Oregon?

There are 7+ wastewater treatment engineer openings in Oregon on Migrate Mate as of June 2026, with the most roles in Portland. New positions post regularly as employers across Oregon hire.

How much do wastewater treatment engineers make in Oregon?

Wastewater treatment engineers in Oregon earn a median of about $105,250 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $77,560 for the lowest 10% to over $166,060 for the top 10%. Pay rises with experience, specialty, and employer.

Which Oregon cities have the most wastewater treatment engineer jobs?

Portland have the most wastewater treatment engineer openings in Oregon right now, with additional roles spread across smaller metros statewide.

Which companies hire wastewater treatment engineers in Oregon?

Employers hiring wastewater treatment engineers in Oregon include CONSOR Engineers, Carollo Engineers, and Clean Harbors, based on current listings on Migrate Mate as of June 2026.

Are there remote wastewater treatment engineer jobs in Oregon?

Yes. About 29% of wastewater treatment engineer openings tied to Oregon are remote or hybrid as of June 2026. The rest are on-site roles based in Oregon metros.

How do I apply for wastewater treatment engineer jobs in Oregon?

You can apply to wastewater treatment engineer jobs in Oregon directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Oregon location, then apply to each one that fits.

See All 7 Wastewater Treatment Engineer Jobs in Oregon

Find roles in Oregon that match your experience and apply in just a few clicks.

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