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 *

Empower the design of solids-handling systems for water treatment facilities. Collaborate with diverse teams, enhance technical skills, and lead projects while ensuring compliance with industry standa...

1 week ago

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

$126K - $211K *

Lead multi-discipline engineering teams to execute diverse water projects, ensuring quality and timeliness. Optimize budgets and schedules while mentoring staff and interfacing with clients for succes...

Reposted 2 weeks ago

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

$80K - $100K *

Elevate manufacturing efficiency by applying engineering principles and lean methodologies. Collaborate with cross-functional teams to enhance process reliability and reduce variability in the product...

2 weeks ago

  •   Less than 5 years exp.  •   Food & Beverages

$110K - $130K *

Lead a dynamic engineering team to ensure timely delivery of water treatment projects, overseeing design, procurement, and construction processes while fostering a culture of development and collabora...

5 days ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $180K *

Unlock innovative solutions as a Senior Project Manager, leading water and wastewater initiatives. Collaborate with a top-tier team to drive growth and deliver impactful projects across the Hampton Ro...

2 weeks ago

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

$80K - $95K *

Lead impactful water infrastructure projects by providing technical and design services. Collaborate with a dedicated team to ensure successful project completion while enhancing community resources a...

2 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$110K - $130K *

Make your mark at the forefront of ultrapure water treatment solutions. As a key technical leader, you'll drive system integration and optimize processes for the microelectronics industry, ensuring pr...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$108K - $130K *

Join a team that's redefining ultrapure water solutions. As a key technical leader, you'll drive innovative designs and optimize systems for the microelectronics industry, ensuring project success thr...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Lead the charge in delivering innovative ultrapure water treatment solutions. As a key technical partner, you'll leverage your expertise to optimize system designs, ensuring compliance and efficiency...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Join a dynamic team as a Process Engineer, leveraging your expertise to design and optimize ultrapure water treatment systems for the microelectronics industry, ensuring project success through innova...

Phoenix, AZRemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$90K - $110K *

Lead the design and management of municipal water/wastewater projects, ensuring high-quality delivery and client satisfaction. Collaborate with teams to innovate solutions while promoting safety and e...

Vancouver, BCIn-Person

2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $152K *

Lead the charge in advancing water and wastewater treatment solutions for diverse clients. Utilize your expertise to design, evaluate, and implement systems while mentoring junior staff and driving pr...

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Lead technical design and engineering execution on diverse projects, ensuring compliance and quality from concept to completion. Mentor staff, coordinate across disciplines, and engage with clients wh...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Lead technical design and engineering execution on diverse projects, ensuring compliance and quality from concept to completion. Mentor junior staff and coordinate across disciplines while balancing b...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$87K - $152K *

Unlock potential by leading innovative water and environmental projects. Collaborate with multidisciplinary teams to design and deliver resilient solutions while mentoring junior engineers and ensurin...

1 week ago

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

$93K - $137K *

Innovate across capital projects and chemical operations, delivering practical mechanical engineering solutions while collaborating with multidisciplinary teams to ensure effective project execution a...

RemoteRemote

Reposted yesterday

  •   5 - 7 years exp.  •   Business Services

$93K - $137K *

Join a dynamic team to transform mechanical engineering solutions for capital projects in chemical manufacturing, ensuring safe and efficient design from concept to implementation while managing multi...

Reposted yesterday

  •   5 - 7 years exp.  •   Business Services

$102K - $125K *

Unlock potential by leading water resource projects, analyzing data, and guiding teams. Collaborate on design, planning, and quality control to deliver innovative solutions while ensuring compliance w...

3 weeks ago

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

$102K - $125K *

Lead impactful water resource projects by analyzing data, preparing specifications, and guiding junior staff. Collaborate with multidisciplinary teams to deliver innovative solutions while ensuring co...

3 weeks ago

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

$70K - $180K *

Shape the future of sustainable mining by leveraging your engineering expertise to optimize processes and enhance product quality at our upcoming facility. Join us in preparing for a groundbreaking st...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$92K - $110K *

Transform critical infrastructure by designing water and wastewater systems. Collaborate with engineers to create detailed plans and ensure project success while positively impacting community resourc...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Shape the future of urban water systems by leading hydraulic and hydrologic modelling projects. Collaborate with teams across North America to optimize wastewater, stormwater, and potable water system...

Ottawa, ONIn-Person

Today

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Champion urban water systems by leading hydraulic and hydrologic modelling projects. Collaborate with teams to assess and optimize wastewater, stormwater, and potable water systems, ensuring high-qual...

Waterloo, ONIn-Person

Today

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Lead the charge in hydraulic and hydrologic modelling for urban water systems, focusing on wastewater and stormwater management. Collaborate with teams to assess and optimize infrastructure, ensuring...

Today

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Reimagine your career by leading hydraulic and hydrologic modelling projects. Collaborate with experts to enhance urban water systems, focusing on wastewater, stormwater, and potable water distributio...

Windsor, ONIn-Person

Today

  •   5 - 7 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.