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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$122K - $204K *

Lead cross-functional teams to develop and implement global standards that enhance the reliability and performance of manufacturing processes, driving continuous improvement and cost reduction initiat...

Schenectady, NYRemote

3 weeks ago

  •   8 - 10 years exp.  •   Business Services

$120K - $145K *

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Houston, TXRemote

2 weeks ago

  •   8 - 10 years exp.  •   Real Estate & Construction

$90K - $115K *

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Houston, TXRemote

Today

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

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Massachusetts, USRemote

3 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

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$72K - $93K *

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$110K - $130K *

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3 weeks ago

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$73K - $132K *

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Reposted 2 weeks ago

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$110K - $150K *

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1 week ago

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$140K - $187K *

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2 weeks ago

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$95K - $105K *

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1 month ago

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$118K - $180K *

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1 week ago

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$95K - $115K *

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3 days ago

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$100K - $120K *

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1 week ago

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$83K - $104K *

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$95K - $120K *

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3 weeks ago

  •   5 - 7 years exp.  •   Business Services

$120K - $130K *

Innovate the future of cloud platforms by leading the design and operation of a secure, scalable infrastructure. Drive automation and enhance developer experience while collaborating with cross-functi...

Toronto, ONRemote

3 weeks ago

  •   5 - 7 years exp.  •   Staffing

$105K - $167K *

Elevate operational excellence by leading process improvement initiatives using Lean and Six Sigma methodologies. Collaborate with cross-functional teams to analyze workflows, enhance efficiency, and...

Virginia Beach, VARemote

Yesterday

  •   5 - 7 years exp.  •   Healthcare

$184K - $205K *

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  •   5 - 7 years exp.  •   Enterprise Technology

$112K - $196K *

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5 days ago

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$90K - $110K *

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  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

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Virginia Beach, VARemote

2 weeks ago

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

$110K - $130K *

Transform the construction services landscape by leading a dynamic CEI program, ensuring compliance and quality in roadway and bridge projects while fostering strong partnerships with VDOT and local a...

Richmond, VARemote

2 weeks ago

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

$110K - $130K *

Transform the construction landscape in Virginia by leading a dynamic CEI program. Oversee roadway and bridge projects, foster client relationships, and mentor a dedicated team to ensure excellence in...

Norfolk, VARemote

2 weeks ago

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

$110K - $130K *

Shape the future of construction by ensuring project compliance and safety. Collaborate with teams to monitor performance, resolve issues, and uphold quality standards while fostering strong relations...

Overland Park, KSRemote

3 days ago

  •   11 - 15 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.