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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$79K - $107K *

Drive innovative structural designs for solar infrastructure projects, collaborating with multi-disciplinary teams to ensure compliance with building codes and project specifications while providing e...

United StatesRemote

4 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$124K - $238K *

Join a team that's driving innovation through systems engineering as you design, integrate, and validate software systems, ensuring alignment with overarching objectives while collaborating closely wi...

Palo Alto, CARemote

Reposted 2 days ago

  •   8 - 10 years exp.  •   Aerospace & Defense

$100K - $111K *

Champion complex systems engineering initiatives with a focus on safety, delivering innovative solutions that comply with DoD standards. Lead hazard analysis and risk mitigation efforts while mentorin...

Pittsfield, MARemote

2 weeks ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$135K - $160K *

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Texas, USRemote

Today

  •   8 - 10 years exp.  •   Information Technology

$84K - $126K *

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2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$95K - $115K *

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Texas, USRemote

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Partner with us to enhance project operations and drive continuous improvement. Collaborate with cross-functional teams to streamline processes and ensure timely delivery of integrated customer soluti...

Houston, TXRemote

1 month ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

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Reno, NVRemote

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Advance project success by providing analytical support for budgeting, change management, and cost forecasting. Collaborate with stakeholders to ensure accurate financial tracking and reporting, drivi...

Las Vegas, NVRemote

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$94K - $151K *

Support organizational success by partnering with managers to align HR practices with business goals, providing employee relations guidance, and leveraging workforce data to enhance decision-making th...

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6 days ago

  •   5 - 7 years exp.  •   Business Services

$80K - $95K *

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6 days ago

  •   5 - 7 years exp.  •   Business Services

$139K - $208K *

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Reposted 2 weeks ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$120K - $150K *

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Pennsylvania, USRemote

1 week ago

  •   5 - 7 years exp.  •   Staffing

$110K - $130K *

Partner with us to design and implement cloud-native data solutions, ensuring secure and reliable data exchange across platforms. Collaborate with teams to enhance data accessibility and support advan...

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2 weeks ago

  •   5 - 7 years exp.  •   Healthcare

$110K - $130K *

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Reposted 6 days ago

  •   Less than 5 years exp.  •   Technical Services

$135K - $160K *

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1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

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West Virginia, USRemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Join a team that's shaping the future of data center automation. In this role, you'll design cutting-edge control systems for critical infrastructure projects globally, collaborating with diverse team...

Arlington, VARemote

3 weeks ago

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

$95K - $115K *

Join a team that's redefining construction through innovative Virtual Design and Construction (VDC) practices. Collaborate on diverse projects, enhancing design processes and ensuring successful proje...

Haskell, TXRemote

1 week ago

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

$170K - $180K *

Transform quality management across renewable energy projects by leading initiatives that enhance processes, ensure compliance, and drive continuous improvement. Collaborate with cross-functional team...

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1 week ago

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

$95K - $115K *

Elevate your career by managing financial performance for diverse projects. Collaborate with cross-functional teams to drive insights, optimize cash flow, and enhance decision-making in a dynamic, pro...

Langley, BCRemote

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$150K - $180K *

Shape the future of energy by leading a dynamic engineering team in the planning, design, and execution of innovative substation projects, ensuring compliance with safety and quality standards while d...

Maine, USRemote

3 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$142K - $203K *

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Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Shape the future of field engineering by leading technical support, training, and quality assurance efforts. Drive continuous improvement while ensuring top-tier service and communication with clients...

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Reposted 1 week ago

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

$110K - $130K *

Lead the charge in delivering tailored, technical solutions that drive sales success. Collaborate with teams to enhance demos, manage proposal responses, and ensure seamless implementation transitions...

Atlanta, GARemote

Reposted 5 days ago

  •   8 - 10 years exp.  •   Enterprise 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.