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 *

Empower a multi-discipline engineering team to deliver innovative solutions for complex water and wastewater projects. Manage budgets, schedules, and client relations while ensuring top-quality techni...

Reposted 1 week ago

  •   11 - 15 years exp.  •   Real Estate & Construction

$100K - $150K *

Drive innovative process engineering solutions within a collaborative team, focusing on project design and documentation. Leverage your expertise to enhance nuclear engineering projects and ensure com...

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$100K - $150K *

Shape the future of engineering by contributing to innovative projects and performing critical Process Engineering calculations within a collaborative team environment...

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$100K - $150K *

Unlock potential by joining a dynamic team of engineers focused on innovative process design and calculations. Collaborate on projects that shape the future of engineering in a supportive environment...

6 days ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Drive operational success by providing technical expertise in instrumentation and controls for water infrastructure projects. Collaborate with teams to enhance engineering designs and processes, ensur...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$155K - $187K *

Take ownership of water and wastewater infrastructure projects, applying your engineering expertise to ensure compliance and quality. Collaborate with teams, manage project components, and engage clie...

6 days ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$160K - $195K *

Unlock your potential as you lead the planning and delivery of water and wastewater projects. Collaborate with diverse teams, ensure compliance, and drive business development while managing significa...

6 days ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$125K - $170K *

Champion municipal infrastructure projects, enhancing water and wastewater utilities. Collaborate with clients, lead a skilled team, and drive innovative solutions from planning to execution while fos...

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Staffing

$80K - $95K *

Join a team that's dedicated to delivering impactful municipal water and wastewater projects. Manage project scopes, budgets, and client relationships while collaborating with experts to ensure high-q...

3 days ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Empower communities by managing small to mid-sized municipal water projects. Lead from inception to delivery, fostering client relationships and collaborating with a skilled team to ensure high-qualit...

Memphis, TNRemote

2 days ago

  •   Less than 5 years exp.  •   Technical Services

$135K - $140K *

Deliver innovative engineering solutions for water/wastewater projects, utilizing advanced design software and strong analytical skills. Collaborate with multidisciplinary teams to ensure projects mee...

Reposted yesterday

  •   8 - 10 years exp.  •   Finance & Insurance

$98K - $127K *

Empower your career by leading innovative water/wastewater projects from concept to completion. Collaborate with a dynamic team to ensure quality, efficiency, and budget adherence while enhancing comm...

3 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$80K - $95K *

Create and optimize manufacturing processes to enhance quality, safety, and efficiency. Drive continuous improvement initiatives while collaborating with teams to meet operational goals and customer e...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$88K - $142K *

Shape the future of Water/Wastewater projects by leading client relations, mentoring staff, and ensuring project success from planning to execution. Join a collaborative team dedicated to impactful co...

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$106K - $164K *

Lead impactful water and wastewater treatment projects, guiding teams from planning through execution. Drive business development and client relations while ensuring project efficiency and compliance...

Toronto, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Transform water treatment projects by leading teams from planning to execution. Utilize your technical expertise to ensure project success while mentoring junior staff and enhancing client relationshi...

London, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Elevate your career by leading transformative water and wastewater projects. Drive project success from planning to commissioning while mentoring junior staff and enhancing client relationships across...

Hamilton, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $164K *

Deliver impactful water and wastewater projects by leading teams through all phases, from planning to commissioning. Utilize technical expertise to ensure project success while mentoring junior staff...

Waterloo, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Lead and manage diverse water and wastewater treatment projects, ensuring technical excellence and client satisfaction from planning through execution. Collaborate with teams to drive project success...

Windsor, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Transform your career by leading diverse water and wastewater projects. Drive project success from planning to commissioning while mentoring junior staff and enhancing client relationships across Sout...

Toronto, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Lead the charge in managing diverse water and wastewater projects, from planning to execution. Utilize your technical expertise to ensure project success while mentoring junior staff and fostering cli...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Join a team that's shaping the future of water treatment projects. Lead diverse teams through planning, design, and construction phases while ensuring project efficiency and client satisfaction across...

Windsor, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Lead the charge in managing diverse water and wastewater projects, from planning to execution. Utilize your technical expertise to mentor teams, ensure project efficiency, and foster client relationsh...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Innovate in project management by leading diverse water and wastewater treatment projects. Oversee planning, design, and construction phases while mentoring junior staff and ensuring project efficienc...

Waterloo, ONIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Lead and manage diverse water/wastewater projects from planning to commissioning. Collaborate with teams, ensure project efficiency, and mentor junior staff while driving business development in South...

London, ONIn-Person

1 week 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.