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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$110K - $130K *

Engineer innovative software solutions to enhance the Iris platform, collaborating with a dynamic team to tackle complex challenges and deliver high-quality products while ensuring compliance and effi...

Washington, DCRemote

Yesterday

  •   5 - 7 years exp.  •   Information Technology

$84K - $112K *

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Ontario, CARemote

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Business Services

$100K - $170K *

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3 weeks ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$110K - $130K *

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3 weeks ago

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$134K - $205K *

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Reposted 4 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$125K - $165K *

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New Orleans, LARemote

6 days ago

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$95K - $115K *

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1 week ago

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$68K - $143K *

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1 week ago

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$80K - $95K *

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Austin, TXRemote

1 month ago

  •   5 - 7 years exp.  •   Energy & Utilities

$125K - $165K *

Join a team that's dedicated to delivering safe and efficient high-voltage transmission solutions. Oversee projects from design to completion, ensuring compliance and quality while collaborating with...

Minnesota, USRemote

6 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$104K - $130K *

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4 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$126K - $162K *

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4 weeks ago

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$141K - $212K *

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3 weeks ago

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$95K - $115K *

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1 week ago

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$118K - $155K *

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2 weeks ago

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$100K - $120K *

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5 days ago

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$100K - $165K *

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6 days ago

  •   8 - 10 years exp.  •   Technical Services

$77K - $118K *

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6 days ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

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California, USRemote

Reposted 4 weeks ago

  •   Less than 5 years exp.  •   Business Services

$85K - $165K *

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4 weeks ago

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$100K - $120K *

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Dallas, TXRemote

1 week ago

  •   5 - 7 years exp.  •   Real Estate & Construction

$80K - $95K *

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Phoenix, AZRemote

1 week ago

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$100K - $120K *

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Chicago, ILRemote

1 week ago

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$100K - $120K *

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Arlington, VARemote

1 week ago

  •   5 - 7 years exp.  •   Real Estate & Construction

$80K - $95K *

Innovate in electrical engineering by designing systems for mission-critical facilities. Collaborate globally on high-profile data center projects, enhancing your skills in a dynamic, client-facing ro...

Atlanta, TXRemote

1 week ago

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

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.