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Wastewater Application Engineer Jobs (NOW HIRING)

Proconex

Application Engineer - Systems

Limerick, PA · On-site

Job Overview The Application Engineer - Systems supports the Systems Sales Group by leveraging ... Experience working within life sciences, energy, oil and gas, wastewater, specialty gas, chemical ...

Proconex

Application Engineer - Systems

Royersford, PA · On-site

Job Overview The Application Engineer - Systems supports the Systems Sales Group by leveraging ... Experience working within life sciences, energy, oil and gas, wastewater, specialty gas, chemical ...

Proconex

Application Engineer - Systems

Norristown, PA · On-site

Job Overview The Application Engineer - Systems supports the Systems Sales Group by leveraging ... Experience working within life sciences, energy, oil and gas, wastewater, specialty gas, chemical ...

Proconex

Application Engineer - Systems

Royersford, PA · On-site

Job Overview The Application Engineer - Systems supports the Systems Sales Group by leveraging ... Experience working within life sciences, energy, oil and gas, wastewater, specialty gas, chemical ...

Proconex

Application Engineer - Systems

Pottstown, PA · On-site

Job Overview The Application Engineer - Systems supports the Systems Sales Group by leveraging ... Experience working within life sciences, energy, oil and gas, wastewater, specialty gas, chemical ...

Proconex

Application Engineer - Systems

Malvern, PA · On-site

Job Overview The Application Engineer - Systems supports the Systems Sales Group by leveraging ... Experience working within life sciences, energy, oil and gas, wastewater, specialty gas, chemical ...

Cogent

Inside Sales Application Engineer

Tulsa, OK · On-site

$54K - $69K/yr

Our customers span industrial plants, water and wastewater treatment facilities, commercial ... What You'll Do As an Inside Sales Application Engineer, your focus will be on enabling sales ...

Cogent

Inside Sales Application Engineer

Riverside, MO · On-site

$58K - $73K/yr

Our customers span industrial plants, water and wastewater treatment facilities, commercial ... What You'll Do As an Inside Sales Application Engineer, your focus will be on enabling sales ...

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Wastewater Application Engineer information

See salary details

$50.5K

$110.7K

$152K

How much do wastewater application engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for wastewater application engineer in the United States is $110,698.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,000.00 and $135,000.00 per year, depending on experience, location, and employer.

What is the difference between Wastewater Application Engineer vs Water Treatment Engineer?

AspectWastewater Application EngineerWater Treatment Engineer
CredentialsBachelor's in Environmental or Chemical Engineering, certifications like CWE or WPCP often preferredBachelor's in Environmental, Chemical, or Civil Engineering, similar certifications
Work EnvironmentDesigning and optimizing wastewater treatment systems, often in industrial or municipal settingsDeveloping and managing water treatment processes for drinking water or industrial use
Industry UsagePrimarily in wastewater treatment plants, municipal agencies, and industrial facilitiesIn water utilities, industrial water management, and environmental consulting

While both roles focus on water quality and treatment processes, Wastewater Application Engineers specialize in designing systems for wastewater treatment, whereas Water Treatment Engineers focus on potable and industrial water treatment. The skills and certifications overlap, but their applications differ based on the treatment target.

What are popular job titles related to Wastewater Application Engineer jobs?

For Wastewater Application Engineer jobs, the most frequently searched job titles are:

Infographic showing various Wastewater Application Engineer job openings in the United States as of September 2026, with employment types broken down into 95% Full Time, and 5% Part Time. Highlights an 95% In-person, and 5% Hybrid job distribution, with an average salary of $110,698 per year, or $53.2 per hour.

Application Engineer - Aeration and Mixing

Loves Park, IL • On-site

Aqua Aerobic
See more jobs at Aqua Aerobicexternal

$67K - $85K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Key responsibilities

  • Review process requirements and develop designs and recommendations for water and wastewater treatment equipment related to aeration and mixing.

  • Perform testing of equipment to confirm unit capacity and ability to provide mixing and aeration in water and wastewater.

  • Provide technical support to internal and external customers, including site visits to support technical discussions and sales efforts.

Job description

Protecting the World’s Water. 

Since 1969, Aqua-Aerobic Systems, Inc. has led the water and wastewater treatment industry by providing advanced solutions in aeration and mixing, biological processes, cloth media filtration, membranes, PFAS solutions, disinfection and process control. As an applied engineering company serving both municipal and industrial customers, we work collaboratively with consulting engineers, owners, plant managers and operators to design and manufacture the best treatment solution with the lowest lifecycle cost. Our “Customer for Life” philosophy ensures that every customer will receive unparalleled service before, during and after the installation of Aqua-Aerobic products. Protecting the World’s Water. It’s our mission - powered by People and driven by Innovation.


The Application Engineer will review process requirements, and complete designs and recommendations for water and wastewater treatment equipment. Provide technical support to internal and external customers as it relates to aeration and mixing equipment. Perform layout drawings for equipment. Support installation, application and sales of equipment as needed.

 

This position will be onsite at Aqua-Aerobic Systems, Inc. in Loves Park, IL.


Essential Duties and Responsibilities

  • Review process requirements and develop designs and recommendations for water and wastewater treatment equipment as it relates to the Aeration and Mixing equipment product line.
  • Develop preliminary process design reports for aeration and mixing equipment.
  • Determine equipment costs for preliminary process designs.
  • Involvement in the testing of equipment to confirm unit capacity and ability to provide mixing and aeration in water and wastewater.
  • Create effective written reports to convey findings and conclusions of testing to both internal and external customers.
  • Provide technical assistance to Internal and External clients including Consulting Engineers, End Users, Plant Operators, Sales Representatives, Sales Cost Estimating, and Customer Service.
  • Travel to customer sites to support technical discussions and sales efforts, or to perform unit testing.
  • Other duties as assigned.

 

Work Environment

Usual office working conditions with moderate noise such as computers and printers, telephones and co-workers. Occasional exposure to elements such as noise, odor, dust, heat, cold or chemicals.

 

Minimum Qualifications

  • Bachelor’s Degree in Engineering or related Technical field plus 2 years of related training and experience or any equivalent combination of training and experience.
  • Must have familiarity with MS Office software.
  • Strong verbal and written communication skills.
  • Ability to travel up to 10%.
  • Knowledge of water and wastewater treatment, is a plus.
  • CAD skills, is a plus.


Salary Range: $67,746 - $85,000 Annually


Benefits Include:

Medical (prescription coverage included), Dental, Vision, Life Insurance, Short Term Disability, Long term Disability, Accidental Death and Dismemberment, Business Travel Insurance, Paid Parental Leave, Medical Flexible Spending, Dependent Care Flex Spending, Lifestyle Spending Account, EAP, 401k plus 3% match– both pretax and post, Profit sharing, Bonus, Summer Hours, Paid Christmas Shutdown, Paid Volunteer Hours, Vacation & Paid Leave for All Workers, Vacation Purchase Program, Tuition Reimbursement, Telecommuting up to 2 days a week, Flex work schedule, Identity Theft Protection