Process Engineer, Water/Wastewater Jobs

Find senior-level Process Engineer, Water/Wastewater opportunities on Ladders. These roles focus on designing, improving, and supporting the systems that treat drinking water and wastewater for communities, utilities, and industry. Explore vetted jobs with salaries of $100,000 or more, including positions in process design, treatment optimization, engineering, and technical leadership.

What Water and Wastewater Process Engineers Do

Water and wastewater process engineers develop and refine treatment processes to meet public health, environmental, operational, and regulatory requirements. Depending on the role, they may evaluate treatment technologies, develop process calculations and design criteria, review engineering plans, troubleshoot plant performance, and guide upgrades to existing facilities. They often work with multidisciplinary teams that include civil, mechanical, electrical, and environmental engineers, as well as operators, project managers, and clients.

Common Responsibilities and Specialties

Responsibilities can include designing or evaluating treatment trains, conducting process modeling, preparing technical reports and specifications, supporting pilot studies, and optimizing chemical, biological, or physical treatment operations. Specialists may work in drinking water treatment, industrial water reuse, desalination, biological wastewater treatment, nutrient removal, sludge processing, or advanced treatment. Senior positions may also involve project delivery, client relationships, mentoring, and technical reviews.

Skills and Qualifications Employers Seek

Employers commonly look for a degree in environmental, chemical, civil, or a related engineering discipline, along with experience in water or wastewater treatment. Relevant capabilities may include process design, hydraulic and mass-balance calculations, treatment modeling, regulatory knowledge, technical writing, and collaboration across engineering disciplines. A Professional Engineer (PE) license may be preferred or required for roles involving engineering oversight or approval; requirements vary by employer and location.

Explore Senior Water/Wastewater Engineering Careers

Use Ladders to explore vetted Process Engineer, Water/Wastewater jobs with compensation of $100,000 or more. Compare opportunities by specialization, seniority, and location, and find roles where your process engineering expertise can contribute to reliable water infrastructure and effective treatment systems.

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$95K - $115K *

Join a team that's redefining power plant performance analysis. Lead thermal modeling, collaborate with vendors, and execute field tests to ensure optimal plant efficiency and reliability. Your expert...

Lenexa, KSRemote

1 week ago

  •   Less than 5 years exp.  •   Real Estate & Construction

$82K - $90K *

Engage in innovative structural design projects, focusing on renewable energy solutions. Collaborate with a dynamic team to develop project scopes, schedules, and budgets while enhancing your expertis...

Richmond, VARemote

2 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Join a team that's shaping the future of renewable energy through innovative civil engineering solutions. Contribute to the design of structures and bridges while managing projects and enhancing your...

Raleigh, NCRemote

4 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$110K - $130K *

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Reposted 3 days ago

  •   5 - 7 years exp.  •   Healthcare

$95K - $115K *

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Phoenix, AZRemote

Today

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$92K - $130K *

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South Portland, MERemote

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  •   5 - 7 years exp.  •   Business Services

$85K - $140K *

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Massachusetts, USRemote

Yesterday

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$88K - $105K *

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Brooklyn, NYRemote

6 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$100K - $130K *

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Vancouver, BCRemote

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

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5 days ago

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$84K - $129K *

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2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$110K - $130K *

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2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$90K - $145K *

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  •   5 - 7 years exp.  •   Technical Services

$95K - $135K *

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$110K - $130K *

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$110K - $160K *

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Vancouver, BCRemote

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$110K - $130K *

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1 month ago

  •   8 - 10 years exp.  •   Finance & Insurance

$110K - $130K *

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2 weeks ago

  •   5 - 7 years exp.  •   Staffing

$124K - $170K *

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3 weeks ago

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$74K - $96K *

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Pasadena, CARemote

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  •   Less than 5 years exp.  •   Energy & Utilities

$120K - $150K *

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6 days ago

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$63K - $111K *

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$73K - $98K *

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Newark, NJRemote

Today

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$88K - $105K *

Lead and manage construction materials testing projects, ensuring quality assurance, client satisfaction, and compliance with standards while overseeing operations and fostering team development for s...

Texas, USRemote

Reposted 4 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$110K - $130K *

Help us drive engineering coordination across multiple capital projects, ensuring timely execution and alignment with project priorities. This role requires strong organizational skills and the abilit...

Mackenzie, BCRemote

Reposted 1 week ago

  •   Less than 5 years exp.  •   Information Technology

Frequently Asked Questions (FAQ)

  • What does a Process Engineer, Water/Wastewater do?question toggle

    A Process Engineer, Water/Wastewater designs, evaluates, and optimizes processes used to treat drinking water, wastewater, and industrial water. The work may include process calculations, technology selection, plant troubleshooting, design reviews, and support for facility upgrades.

  • What qualifications are commonly required for water and wastewater process engineer jobs?question toggle

    Employers typically seek an engineering degree in environmental, chemical, civil, or a related field, plus relevant treatment-process experience. Some senior roles prefer or require a PE license, depending on the responsibilities and jurisdiction.

  • Which specialties are available in water and wastewater process engineering?question toggle

    Specialties may include drinking water treatment, wastewater treatment, industrial water and reuse, desalination, biological processes, nutrient removal, advanced treatment, and sludge processing.

  • Do Process Engineer, Water/Wastewater jobs on Ladders pay $100,000 or more?question toggle

    Ladders focuses on vetted professional jobs paying $100,000 or more. Compensation for individual positions varies by employer, location, experience, and scope of responsibility.

  • What skills can help candidates stand out for senior water/wastewater process engineering roles?question toggle

    Experience with treatment design and optimization, process modeling, engineering calculations, regulatory requirements, technical documentation, and multidisciplinary project work can be valuable. Project leadership, client communication, and a PE license may also strengthen a candidate’s qualifications.