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 *

Lead the charge in managing client relationships and executing strategic water projects, ensuring operational excellence and financial success in a dynamic engineering environment. Foster team develop...

Reposted 1 week ago

  •   15+ years exp.  •   Real Estate & Construction

$110K - $130K *

Champion the future of water/wastewater infrastructure by leading projects from planning to construction. Drive client satisfaction and business development while managing multidisciplinary teams in a...

3 weeks ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$105K - $184K *

Lead the charge in designing and delivering complex water and wastewater treatment facilities. Collaborate with teams and clients, ensuring compliance with regulations while mentoring junior staff and...

4 days ago

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

$88K - $105K *

Drive impactful water facility projects by managing construction teams, ensuring compliance, and coordinating with stakeholders. Oversee project costs, schedules, and inspections to deliver high-quali...

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Elevate your career by leading process innovation and continuous improvement initiatives. Manage a team to enhance productivity and product quality while ensuring compliance with safety and regulatory...

Reposted 3 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$88K - $105K *

Manage and enhance manufacturing processes for liquid componentry, focusing on design, implementation, and continuous improvement. Collaborate with teams to ensure safety, efficiency, and quality in b...

1 week ago

  •   8 - 10 years exp.  •   Transportation

$80K - $95K *

Unlock your potential as a Water Resources Engineer, leading diverse projects in surface water management. Collaborate with a skilled team, mentor junior staff, and engage with clients to deliver inno...

Waterloo, ONIn-Person

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Oversee comprehensive water resource projects, managing teams and ensuring timely delivery. Collaborate with clients and stakeholders while mentoring junior staff and maintaining high-quality standard...

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Advance your career by leading water resource projects, mentoring staff, and collaborating with diverse teams. Engage with clients and stakeholders to deliver innovative solutions in surface water man...

Hamilton, ONIn-Person

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Drive impactful water resource projects by leading a skilled team, mentoring junior engineers, and ensuring quality deliverables. Collaborate across disciplines to meet client needs while managing pro...

London, ONHybrid

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$91K - $132K *

Empower your career by leading surface water projects, mentoring teams, and collaborating across disciplines. Drive innovative solutions in water resources engineering while ensuring quality and timel...

Waterloo, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$91K - $132K *

Lead comprehensive surface water studies and designs, managing projects and mentoring junior staff while ensuring timely delivery and quality standards across diverse sectors and clients...

London, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$91K - $132K *

Innovate in water resource management by leading diverse projects, mentoring staff, and ensuring quality deliverables. Collaborate with multidisciplinary teams to address client needs and drive succes...

Hamilton, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Advance environmental engineering solutions by leading site investigations, conducting analyses, and ensuring compliance with regulations. Collaborate with teams to design systems and prepare technica...

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$89K - $125K *

Champion the operation and maintenance of advanced water and waste systems, ensuring compliance and optimal functionality. Collaborate with teams to troubleshoot issues and enhance processes that supp...

Today

  •   Less than 5 years exp.  •   Telecommunications & Hardware

$95K - $115K *

Manage complex structural designs for water treatment facilities, leading teams in infrastructure projects, while ensuring compliance with engineering standards and quality control for critical commun...

Reposted 3 days ago

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

$125K - $150K *

Shape the future of our Roadway practice by leading multi-state initiatives, managing client relationships, and driving business development in the Ohio River Valley. Collaborate with teams to deliver...

3 weeks ago

  •   15+ years exp.  •   Manufacturing & Automotive

$128K - $192K *

Deliver innovative engineering solutions for municipal and industrial wastewater projects, leading design and construction phases while mentoring junior staff and engaging with clients across the Midw...

Reposted yesterday

  •   11 - 15 years exp.  •   Technical Services

$160K - $200K *

Contribute to the design and analysis of vital water infrastructure projects, ensuring compliance and quality. Lead multidisciplinary teams, mentor junior engineers, and engage with clients to deliver...

Rancho Cordova, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$160K - $200K *

Lead the design and analysis of water infrastructure projects, ensuring compliance and innovation. Collaborate with multidisciplinary teams to deliver sustainable solutions that enhance community serv...

Oakland, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$160K - $200K *

Engage in the design and analysis of vital water infrastructure projects. Lead multidisciplinary teams to deliver innovative solutions, ensuring compliance and quality while mentoring junior engineers...

Riverside, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$160K - $200K *

Empower communities by leading innovative water infrastructure projects. As a Senior Structural Engineer, you'll design and analyze critical facilities, mentor junior engineers, and ensure compliance...

San Diego, CARemote

3 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$120K - $200K *

Transform national drinking water treatment practices by leading strategy, driving technical excellence, and fostering growth across multiple states. Collaborate with teams to innovate and enhance ser...

3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$129K - $212K *

Lead the charge in building mechanical engineering by overseeing innovative projects, ensuring compliance with codes, and driving team performance. Collaborate across disciplines to deliver successful...

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$129K - $212K *

Champion innovative building mechanical engineering solutions by leading a skilled team in HVAC, plumbing, and fire sprinkler design. Ensure compliance with codes and standards while driving project s...

2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

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.