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.

Remote
caret down
Compensation
caret down
Position Level
caret down
Time Posted
caret down
Industries
caret down
Locations
caret down
More
1
caret down

$80K - $100K *

Innovate with us to enhance manufacturing processes, ensuring quality and performance while implementing advanced technologies and automation solutions that drive productivity and efficiency across op...

4 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Grow your career with a dynamic role in prototype tooling and process development, collaborating with cross-functional teams to innovate and enhance manufacturing processes for advanced products in a...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Engage in the design and development of prototype tooling and processes, collaborating with cross-functional teams to enhance manufacturability and support rapid product innovation in a dynamic R&D en...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$105K - $120K *

Lead the charge in optimizing thermoplastic injection molding processes, ensuring compliance and efficiency. Collaborate on new product introductions and continuous improvements while providing techni...

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$160K - $195K *

Empower a diverse team to lead water engineering projects, ensuring compliance and strategic growth across regions. Collaborate with leadership to drive initiatives and achieve business goals while me...

2 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$95K - $115K *

Optimize and innovate refinery processes to enhance safety, efficiency, and profitability. Collaborate with teams to identify improvements, troubleshoot issues, and support continuous enhancement init...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Drive innovative solutions as a Process Engineer, leveraging your expertise in ultrapure water treatment to enhance system design and integration for the microelectronics industry, while collaborating...

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Drive innovative ultrapure water treatment solutions as a key technical leader, collaborating with customers to optimize system design and operation while ensuring compliance with industry standards a...

Houston, TXRemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Join a team that's redefining ultrapure water treatment solutions. As a key technical leader, you'll leverage your expertise to design and optimize systems for the microelectronics industry, ensuring...

Boise, IDRemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Engineer impactful solutions by leading multi-discipline teams on large-scale water and wastewater projects. Oversee engineering deliverables, manage client relations, and drive team performance to de...

Reposted 1 week ago

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

$106K - $164K *

Drive your career by leading diverse water and wastewater projects from planning to commissioning. Utilize your technical expertise to ensure project success while mentoring junior staff and managing...

Toronto, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Lead diverse water and wastewater treatment projects, overseeing planning, design, and construction phases. Utilize technical expertise to ensure project reliability and efficiency while mentoring jun...

Hamilton, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $164K *

Lead and manage diverse water/wastewater treatment projects from planning to commissioning. Collaborate with teams, ensure quality, and maintain client relationships while mentoring junior staff and o...

Waterloo, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Elevate your career by leading diverse water and wastewater projects. Collaborate with teams from planning to commissioning, ensuring efficiency and quality while mentoring junior staff and managing c...

London, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Join a team that's shaping the future of water and wastewater treatment projects. Lead diverse teams through all project phases, ensuring efficiency and quality while mentoring junior staff and managi...

Windsor, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Lead project teams in delivering innovative water and wastewater treatment solutions. Oversee all project phases from planning to commissioning, ensuring efficiency, quality, and client satisfaction w...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Lead project teams in delivering water/wastewater treatment solutions. Manage all phases from planning to commissioning, ensuring efficiency and quality. Mentor junior staff while maintaining client r...

Waterloo, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$90K - $110K *

Lead the charge in managing diverse water and wastewater treatment projects, overseeing all phases from planning to commissioning. Utilize your technical expertise to ensure project success while ment...

Windsor, QCIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Lead the charge in managing diverse water and wastewater projects, guiding teams from planning through execution. Leverage your technical expertise to ensure project success while mentoring junior sta...

Hamilton, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$90K - $110K *

Champion your career by leading diverse water and wastewater projects. Drive project success from planning to commissioning while mentoring teams and ensuring quality and compliance across Southern On...

London, ONHybrid

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Advance your career by leading diverse water and wastewater treatment projects. Oversee planning, design, and construction phases while mentoring junior staff and ensuring project efficiency and compl...

Windsor, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Lead and manage diverse water/wastewater treatment projects from planning to execution. Collaborate with teams to ensure project success, mentor junior staff, and maintain client relationships while a...

Toronto, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$140K - $180K *

Join a team that's leading municipal drinking water projects, focusing on innovative solutions for lead service line replacements and water distribution infrastructure. Leverage your expertise to ment...

1 week ago

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

$140K - $180K *

Lead the charge in delivering innovative municipal drinking water projects, focusing on lead service line replacements and infrastructure improvements. Oversee project execution, mentor teams, and str...

1 week ago

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

$140K - $180K *

Elevate municipal water projects by leading innovative solutions in drinking water infrastructure. Manage multidisciplinary teams, enhance client relationships, and drive project success from planning...

1 week ago

  •   8 - 10 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.