Wastewater Treatment Engineer Jobs

Wastewater treatment engineer jobs are open across municipal utilities, environmental consulting, industrial manufacturing, and infrastructure firms, from entry-level to senior and principal roles, with specializations in process design, biosolids management, and regulatory compliance. Find a role that fits from the openings below and apply directly.

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Overview

Open roles175+
Top stateTexas
Top employerJacobs
Top cityAustin, TX
Work type63% On-site
Top industryConsulting

Showing 5 of 175+ Wastewater Treatment Engineer jobs

Wastewater Treatment Plant (WWTP) Electrician/Instrumentation Technician
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Added 2d ago
Wastewater Treatment Plant (WWTP) Electrician/Instrumentation Technician
City of Tacoma
Tacoma, Washington
Manufacturing Operations
Quality Control
Skilled Trades
$46.18 - $56.13/hr
High school diploma or GED
1,001-5,000

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Service Technician - Wastewater Treatment
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Added 3d ago
Service Technician - Wastewater Treatment
Holbrook's Precast Inc.
Killawog, New York
Health & Safety
Maintenance & Repair
Skilled Trades
On-Site

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Field Service Technician – Wastewater Treatment
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Added 4d ago
Field Service Technician – Wastewater Treatment
Premier Tech
Cedar Rapids, Iowa
Executive Leadership & C-Suite
Program Management
Project Management
1,001-5,000

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Operator - Wastewater Treatment Plant (Maintenance)
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Added 4d ago
Operator - Wastewater Treatment Plant (Maintenance)
Freshpet
Ennis, Texas
Health & Safety
Maintenance & Repair
Skilled Trades
1,001-5,000

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Wastewater Treatment Plant Operator (in training)
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Added 4d ago
Wastewater Treatment Plant Operator (in training)
Union Public Service District
Cross Lanes, West Virginia
Factory & Production Work
Manufacturing Operations
Quality Control
On-Site
High school diploma or GED

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Wastewater Treatment Engineer Job Market

Who's Hiring

  • Jacobs12
  • US Water Services Corporation10
  • Kennedy/Jenks Consultants6
  • Inframark5
  • Veolia3

Top Industries Hiring

  • Consulting & Professional Services
  • Manufacturing
  • Chemicals & Materials
  • Government & Public Sector
  • Construction & Real Estate

What Employers Look For

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

  • 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

Tips for Your Wastewater Treatment Engineer Job Search

Lead with licensure on your resume

List your Professional Engineer license, state, and license number in the header of your resume, not buried in a credentials section. Many wastewater postings filter applicants by PE status before a recruiter reads a single bullet.

Quantify plant capacity and process scope

Replace vague bullets like 'managed plant operations' with the actual flow rate in MGD, the treatment processes involved, and the regulatory framework you worked under. Hiring managers compare candidates by the scale and complexity they have handled.

Target openings by treatment technology

Filter your search by the technology you know best, whether that is activated sludge, membrane bioreactor, anaerobic digestion, or nutrient removal. Applying to roles that match your process background raises your chances of clearing the technical screen.

Apply early to roles that fit

Migrate Mate lists wastewater treatment engineer openings from across the United States in one place, so you can find roles that match and apply directly to each listing.

Prepare for a technical design exercise

Interviews for wastewater roles often include a take-home or whiteboard problem, such as sizing a clarifier or calculating a chlorine dose. Brush up on unit process calculations and be ready to walk through your reasoning out loud, not just your answer.

Negotiate using total compensation, not base alone

Wastewater engineer offers from public utilities often include defined-benefit pensions, substantial paid leave, and funded professional development that private-sector offers rarely match. Get the full benefits picture before comparing any two offers.

Wastewater Treatment Engineer Jobs: Frequently Asked Questions

Which companies are hiring the most wastewater treatment engineers?

The companies hiring the most wastewater treatment engineers right now include Jacobs, US Water Services Corporation, and Kennedy/Jenks Consultants, with the largest share of openings in Texas, Florida, and Pennsylvania, based on current listings on Migrate Mate as of November 2026. Municipal utility authorities and environmental engineering consulting firms consistently drive the largest share of demand.

How many wastewater treatment engineer jobs are remote?

About 37% of wastewater treatment engineer openings are fully remote or hybrid as of November 2026, which is lower than most engineering disciplines because much of the work requires on-site inspection, sampling, and plant interaction. The roles most likely to offer remote flexibility are those focused on design, report writing, permitting, and regulatory consulting rather than operations or construction oversight.

How do you become a wastewater treatment engineer?

Earn a bachelor's degree in civil, environmental, or chemical engineering from an ABET-accredited program, then pass the Fundamentals of Engineering exam to become an Engineer in Training. Accumulate qualifying experience under a licensed Professional Engineer, pass the PE exam in your state, and build hands-on exposure to treatment processes through internships, entry-level plant roles, or consulting project work.

Can you get hired as a wastewater treatment engineer with little experience?

Yes, entry-level wastewater treatment engineer roles exist at consulting firms and municipal utilities for candidates with the right academic background and an active EIT credential. Internships or co-op placements at water resource recovery facilities during school carry significant weight. Familiarity with treatment process fundamentals and software tools like AutoCAD or BioWin helps entry-level candidates stand out when direct plant experience is limited.

What does the wastewater treatment engineer interview process look like?

Most wastewater treatment engineer interviews begin with a phone screen covering your background, licensure status, and the types of projects or plants you have worked with. A technical interview follows, often including process design questions, regulatory scenario prompts, or a take-home calculation exercise. Final rounds for consulting roles may involve a presentation, while utility positions often include a panel interview with operations and management staff.

Where can I find and apply to wastewater treatment engineer jobs?

You can find and apply to wastewater treatment engineer jobs on Migrate Mate, which lists current openings from across the United States. Search for roles that match your process background, licensure level, and preferred location, then apply directly to each listing that fits.

See All 175+ Wastewater Treatment Engineer Jobs

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