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Wastewater Process Engineer Jobs in Wisconsin (NOW HIRING)

The Probst Group

Process Engineer

Hartland, WI · On-site

We are proud to offer unparalleled experience in industrial wastewater engineering and operations. Expectations for the Process Engineer: * Develop and review design calculations, engineering reports ...

The Probst Group LLC

Process Engineer

Hartland, WI

We are proud to offer unparalleled experience in industrial wastewater engineering and operations. Expectations for the Process Engineer: * Develop and review design calculations, engineering reports ...

The Probst Group LLC

Process Engineer

Hartland, WI · On-site

We are proud to offer unparalleled experience in industrial wastewater engineering and operations. Expectations for the Process Engineer: * Develop and review design calculations, engineering reports ...

HDR

Senior Wastewater Engineer

Madison, WI · On-site

$105K - $144K/yr

In the role of Wastewater Professional Engineer, we'll count on you to: * Coordinate the work of ... Review process mechanical documents for areas of conflict with all disciplines * Write and edit ...

HDR

Senior Wastewater Engineer

Madison, WI · On-site

$105K - $144K/yr

In the role of Wastewater Professional Engineer, we'll count on you to: * Coordinate the work of ... Review process mechanical documents for areas of conflict with all disciplines * Write and edit ...

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All JobsWastewater Process Engineer JobsWastewater Process Engineer Jobs in Wisconsin

Wastewater Process Engineer information

See Wisconsin salary details

$50K

$92.9K

$143.8K

How much do wastewater process engineer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for wastewater process engineer in Wisconsin is $92,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,200.00 and $104,000.00 per year, depending on experience, location, and employer.

What does a wastewater process engineer do?

A Wastewater Process Engineer is responsible for designing, optimizing, and overseeing the systems and processes used to treat and manage wastewater. They ensure that wastewater treatment plants operate efficiently and comply with environmental regulations. Their work involves analyzing water samples, selecting treatment technologies, and troubleshooting issues in existing systems. Wastewater Process Engineers play a critical role in protecting public health and the environment by ensuring that water released from treatment plants is safe.

What are the key skills and qualifications needed to thrive as a wastewater process engineer, and why are they important?

To thrive as a Wastewater Process Engineer, you need a solid background in chemical, civil, or environmental engineering, typically supported by a relevant engineering degree and sometimes a Professional Engineer (PE) license. Familiarity with process simulation software (such as AutoCAD or HAZOP), SCADA systems, and regulatory compliance tools is essential. Strong problem-solving, teamwork, and communication skills help you collaborate across disciplines and address complex treatment challenges. These skills ensure efficient plant operations, regulatory compliance, and the protection of public health and the environment.

What are some common challenges wastewater process engineers face when optimizing treatment processes?

Wastewater Process Engineers often encounter challenges such as adapting to fluctuations in influent quality, keeping up with evolving regulatory standards, and integrating new treatment technologies into existing systems. They must frequently balance treatment efficiency with operational costs, all while ensuring environmental compliance. Collaboration with operations staff, maintenance teams, and regulatory agencies is essential to troubleshoot issues and implement process improvements effectively.

What is the difference between Wastewater Process Engineer vs Environmental Engineer?

AspectWastewater Process EngineerEnvironmental Engineer
CredentialsBachelor's in Environmental, Chemical, or Civil Engineering; often requires PE licenseBachelor's in Environmental, Civil, or Chemical Engineering; often requires PE license
Work EnvironmentWastewater treatment plants, industrial facilities, consulting firmsEnvironmental consulting, government agencies, industrial sites
Industry UsagePrimarily in water treatment and municipal wastewater facilitiesBroader environmental sectors including air quality, waste management, and remediation

While both roles require similar engineering credentials and often work in related environments, Wastewater Process Engineers focus specifically on designing, operating, and optimizing wastewater treatment systems. Environmental Engineers have a broader scope, addressing various environmental issues beyond wastewater, such as air pollution and site remediation.

What are popular job titles related to Wastewater Process Engineer jobs in Wisconsin?

For Wastewater Process Engineer jobs in Wisconsin, the most frequently searched job titles are:

What job categories do people searching Wastewater Process Engineer jobs in Wisconsin look for?

The top searched job categories for Wastewater Process Engineer jobs in Wisconsin are:

Wastewater Process Engineer jobs near you
Infographic showing various Wastewater Process Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 100% Full Time. Highlights an 87% In-person, 9% Hybrid, and 4% Remote job distribution, with an average salary of $92,878 per year, or $44.7 per hour.

Process Engineer

The Probst Group

Hartland, WI • On-site

Full-time

Re-posted 17 days ago

Job description

Job Type
Full-time
Description
The Probst Group is seeking a Process Engineer to support our customers and organization, specializing in industrial wastewater and the development of unique engineered solutions. The Probst Group was officially formed in 2008, but team members have been providing true, customized solutions that are focused on the individual needs of every client for 30+ years. We are proud to offer unparalleled experience in industrial wastewater engineering and operations.
Expectations for the Process Engineer:
  • Develop and review design calculations, engineering reports, technical memos, and troubleshooting guides, process and control narratives, and process control lab procedures using configurable modules for industrial wastewater treatment systems
  • Conduct feasibility studies, process evaluations, and alternatives analyses for treatment solutions, including both tried-and-true methods and new process treatment technologies
  • Work closely with the Project Management and Project Engineering Teams to review process design, delivering project work on time and within budget
  • Provide process guidance for startup and troubleshooting of full-scale plants and pilot systems, including startup planning, participating in on-site commissioning of plants, and assisting in training of the end user's operators
  • Provide detailed review, analysis, and interpretation of wastewater operations data, troubleshooting process problems, and identifying the true root cause to correct process issues
  • Stay current with industry trends, regulations, and best practices, recommending the use of new technologies to the Project Development Team
  • Contribute to the overall education and understanding of the Probst team relating to wastewater process technologies
  • Prepare White Papers and present at trade shows, seminars, and upon request to customers or stakeholders to demonstrate Probst's subject matter expertise
  • Other duties as assigned

Requirements
  • 3+ years of previous work experience designing and developing wastewater treatment systems
  • Willing to work out of the Hartland, WI office
  • Master's Degree from an accredited university in Environmental Engineering (or equivalent), PhD Preferred
  • Travel up to 30% of the time
  • Display confident, concise, persuasive written & oral communication
  • Ability to manage and support several projects concurrently, meeting internal and external customer deadlines
  • Ability to read and understand process flow diagrams (PFDs) and piping & instrumentation diagrams (P&IDs)

Preferred experiences for the Process Engineer:
  • Preferably proficient in designing/operating biological treatments like Anaerobic Digestion, Enhanced Biological Nutrient Removal (EBPR), Nitrification/Denitrification, Upflow Anaerobic Sludge Blanket (UASB), Membrane Bioreactors (MBRs), Moving Bed Bioreactors (MBBRs)
  • Familiarity with Whole Effluent Toxicity testing and mitigation strategies
  • 5+ years' experience in Industrial Wastewater Management
  • Experience in working with a diverse team or wastewater professionals
  • Familiar with biological modeling programs (e.g. BioWin)
  • Minitab or equivalent experience

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