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Wastewater Process Engineer Jobs in Wisconsin (NOW HIRING)

Mead & Hunt, a nationally recognized leader with over a century of engineering excellence, is seeking a highly motivated, experienced Wastewater Process Engineer to join our growing Greenhouse Gas ...

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 ...

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 ...

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 ...

WI · On-site

$95 - $130/hr

... wastewater treatment systems, transitioning seamlessly from high‑level conceptual design to ... Process engineering), backed by a strong foundation water systems. * Proven Track Record:

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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 Sep 5, 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:

Infographic showing various Wastewater Process Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $92,878 per year, or $44.7 per hour.

Wastewater Process Engineer

Mead & Hunt, Inc.

Milwaukee, WI • On-site

$110 - $140/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago


Mead & Hunt rating

7.6

Company rating: 7.6 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

284th of 453 rated engineering


Job description

Mead & Hunt, a nationally recognized leader with over a century of engineering excellence, is seeking a highly motivated, experienced Wastewater Process Engineer to join our growing Greenhouse Gas Reduction Engineering Team in our West Allis, WI office.

At Mead & Hunt, we are a multi-disciplinary firm where employees have the opportunity to work on impactful, technically challenging projects. Our GHGR team partners with municipalities, state agencies, and Fortune 100 companies to deliver design-bid-build, design-build, and engineering, procurement, and construction (EPC) projects nationwide. Team members gain exposure to technically challenging, cutting-edge work across diverse industries. The GHGR team helps clients meet sustainability and environmental goals through the planning, process design, and implementation of industrial and municipal wastewater treatment systems, waste-to-renewable energy systems, anaerobic digestion facilities, and resource recovery projects.

This role will offer the opportunity to deliver technical design and problem-solving services to our clients, addressing challenges in wastewater treatment and helping to drive the development of innovative and advanced solutions.

Responsibilities
  • Lead and perform process mechanical design of industrial wastewater treatment and waste-to-renewable energy facilities.
  • Develop and oversee process calculations, equipment sizing and selection, P&IDs, process mechanical drawings, technical specifications, and functional descriptions.
  • Review process equipment vendor information, shop drawings, and contractor submittals.
  • Develop deliverables related to treatment process evaluations, feasibility studies, process modeling and calculations, and preparation of technical reports.
  • Perform technical review of engineering deliverables completed by junior staff
  • Support project development and proposals, including scope development and labor budget estimates
  • Coordinate with multidisciplinary internal teams, including business development, project managers, and discipline leads
  • Maintain awareness of new and emerging wastewater treatment technologies and their potential application on client projects
  • Perform engineering services during construction and assist in the planning and execution of on-site startup, commissioning, performance testing, and troubleshooting activities
  • Assist the estimating team with project cost estimate development
  • Mentor and provide technical guidance to project teams and junior staff
  • Ability and willingness to travel approximately 10-20%
The successful candidate must have all of the following
  • A bachelor's degree (or higher) in Civil Engineering, Environmental Engineering, Chemical Engineering, Biochemical Engineering, Mechanical Engineering, or a related field from an accredited college or university

AND

  • At least 6 years of progressively relevant experience in industrial wastewater treatment or related process engineering. Candidates with greater levels of experience are encouraged to apply and may be considered for a commensurate level based on qualifications.
The ideal candidate will have experience with any/all of the following Wastewater Process Engineering Experience
  • Industrial wastewater treatment process design, preferably within the food and beverage industry
  • Knowledge of process design and technologies for aerobic and anaerobic biological treatment systems, physical treatment systems, chemical treatment system, pH adjustment systems, biogas treatment and utilization systems, and renewable natural gas (RNG) systems
  • Process equipment selection and specification
  • Development of process mechanical plans, drawings, and specifications
  • Technology evaluation, specification, and selection
Project Delivery Experience
  • Delivering projects across multiple phases, including conceptual/preliminary design, detailed design, engineering services during construction, and startup, commissioning, and performance testing.
  • Assisting in the development of project capital and operating cost estimates
  • Experience with EPC, design-build, or alternative project delivery methods is a plus.
Project Development Experience
  • Feasibility studies, treatment process evaluations, and technology evaluations
  • Developing scopes of work, proposals, and labor budgets
  • Developing technical reports and engineering recommendations
Leadership & Collaboration Experience
  • Mentoring, training, and providing technical guidance to junior staff
  • Performing technical review and quality control reviews of engineering deliverables
  • Working effectively within multidisciplinary project teams
  • Coordinating with clients, vendors, contractors, and internal project teams
Professional Skills & Qualifications
  • Professional Engineer (PE) license
  • Strong organizational skills and attention to detail
  • Effective written and verbal communication skills
  • Strong time management skills with the ability to prioritize tasks, manage deadlines, and thrive in a fast-paced environment with quick-moving projects
  • Demonstrated critical thinking, problem-solving, and technical research abilities
  • Ability to work independently and collaboratively
  • Passion for sustainable industries and environmental stewardship
  • Proficiency with Microsoft Office applications (including Excel and Project) and Bluebeam Revu.
Physical Requirements

The employee is occasionally required to stand; walk; use hands to handle or feel objects, tools, or controls; reach with hands and arms; and stoop, kneel, crouch, or crawl. Specific vision abilities required by this job include close vision, distance vision, color vision, depth perception, and the ability to adjust focus.

Mead & Hunt proudly offers medical, dental, and vision insurance, paid time off, paid sick leave, parental leave, a 401K plan with a generous company match, life and disability insurance, and an employee assistance program.

Employment is contingent upon successful completion of applicable pre-employment screening requirements.

All qualified applicants will receive consideration for employment without regard to protected veteran status, disability, race, color, religion, sex, sexual orientation, gender identity, or national origin.

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