Mid Level Wastewater Treatment Engineer Jobs

Mid level wastewater treatment engineer jobs go to engineers ready to own projects end to end, guide junior staff, and make technical calls without constant oversight. Openings run predominantly on-site across Consulting & Professional Services, Government & Public Sector, and Energy, with employers like GFT, Kennedy/Jenks Consultants, and Veolia hiring at this level now.

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Overview

Open roles20
Top stateCalifornia
Top employerGFT
Top cityDallas, TX
Work type76% Hybrid
Top industryConsulting

Showing 5 of 20+ Mid Level Wastewater Treatment Engineer jobs

Inframark
Wastewater Treatment Assistant Project Manager
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Inframark
New 1m ago
Wastewater Treatment Assistant Project Manager
Inframark
Suwanee, Georgia
Program Management
Project & Program Management
Project Management
On-Site
High school diploma or GED
1,001-5,000

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Veolia
Facility Engineer - Wastewater Treatment Plant
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Veolia
New 1m ago
Facility Engineer - Wastewater Treatment Plant
Veolia
Wyandotte, Michigan
Engineering (Non-Software)
Mechanical Engineering
Project Management
Bachelor's degree in mechanical engineering
10,000+

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UCC Environmental
Wastewater Treatment Engineer
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UCC Environmental
New 1m ago
Wastewater Treatment Engineer
UCC Environmental
Libertyville, Illinois
Engineering (Non-Software)
Mechanical Engineering
Project Management
$75k - $110k/yr
Bachelor's degree in mechanical engineering
201-500

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World Wide Professional Solutions
Wastewater Treatment Project Manager
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World Wide Professional Solutions
Added 3w ago
Wastewater Treatment Project Manager
World Wide Professional Solutions
Stamford, Texas
Project & Program Management
Construction Management
Project Management
On-Site
Bachelor's

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Crystal Clean LLC
Wastewater Treatment Operations Manager
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Crystal Clean LLC
Added 1mo ago
Wastewater Treatment Operations Manager
Crystal Clean LLC
Bakersfield, California
Business Operations
Project & Program Management
Human Resources
Customer Service & Support
$123k - $145k/yr
Bachelor's
1,001-5,000

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Mid Level Wastewater Treatment Engineer Job Market

Who's Hiring

  • GFT
    GFT6
  • Kennedy/Jenks Consultants
    Kennedy/Jenks Consultants6
  • Veolia
    Veolia2
  • Gft USA
    Gft USA1
  • Inframark
    Inframark1

Top Industries Hiring

  • Consulting & Professional Services13
  • Government & Public Sector2
  • Energy1
  • Technology & Software1
  • Waste Management & Environmental Services1

Mid Level Wastewater Treatment Engineer Jobs: Frequently Asked Questions

How do I get a mid level wastewater treatment engineer job?

Position your experience around project ownership, not just task completion. Highlight specific systems you have operated or optimized, permits you have supported, and any time you coordinated across teams or guided less experienced engineers. Applications that tie your work to measurable outcomes, such as improved effluent quality or reduced downtime, stand out at this level.

Which companies hire mid level wastewater treatment engineers?

Companies hiring mid level wastewater treatment engineers right now include GFT, Kennedy/Jenks Consultants, and Veolia, based on current listings on Migrate Mate as of June 2026. Hiring at this level comes from municipal utilities, environmental engineering consultancies, and industrial operators running their own treatment infrastructure.

Are there remote mid level wastewater treatment engineer jobs?

Yes, though most roles at this level are site-dependent. About 76% of mid level wastewater treatment engineer openings are remote or hybrid as of June 2026, and those tend to be with consulting firms where design work, permitting support, and client reporting can be handled off-site rather than at a treatment facility.

How do I move up to a mid level wastewater treatment engineer role?

The path from entry level to mid level is built on progressively broader ownership. Early-career engineers grow by taking full responsibility for individual process units, then entire treatment trains, earning sign-off on routine decisions. Deepening expertise in a specific area, such as biological nutrient removal or biosolids management, combined with a clear record of project delivery, signals readiness for a mid level title.

Which industries hire the most mid level wastewater treatment engineers?

Mid Level wastewater treatment engineer roles concentrate in Consulting & Professional Services, Government & Public Sector, and Energy, based on current listings on Migrate Mate as of June 2026. Those sectors drive the most hiring because they operate large, continuously running treatment systems that require experienced engineers who can manage process upsets, lead upgrades, and ensure regulatory compliance without close supervision.