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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$80K - $95K *

Join a dynamic team to lead and execute capital projects from concept to completion, ensuring operational efficiency and compliance with quality and safety standards while collaborating with cross-fun...

5 days ago

  •   Less than 5 years exp.  •   Food & Beverages

$177K - $200K *

Transform the future of water treatment by leading process engineering initiatives, driving innovation, and optimizing solutions across diverse markets. Shape high-performing teams to deliver excellen...

2 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$177K - $200K *

Drive engineering excellence in water treatment solutions by leading high-performing teams, optimizing processes, and aligning strategies with market needs to enhance competitive advantage and support...

2 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$177K - $200K *

Lead the charge in advancing process engineering excellence for water treatment systems. Drive strategic initiatives, build high-performing teams, and ensure alignment with commercial objectives to en...

2 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$100K - $120K *

Manage wastewater treatment projects from concept to commissioning, collaborating with multidisciplinary teams to optimize plant performance and deliver impactful infrastructure solutions that enhance...

6 days ago

  •   8 - 10 years exp.  •   Finance & Insurance

$100K - $120K *

Empower communities by managing wastewater treatment projects from concept to commissioning. Collaborate with multidisciplinary teams to optimize plant performance and deliver impactful infrastructure...

1 week ago

  •   8 - 10 years exp.  •   Finance & Insurance

$110K - $125K *

Engineer innovative electrical and control systems for water treatment facilities. Collaborate with multidisciplinary teams to design, implement, and optimize solutions that enhance municipal and indu...

Wellington, ONIn-Person

Yesterday

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

$110K - $125K *

Empower the Water Sector team by designing and implementing electrical systems for water and wastewater facilities. Collaborate with engineers to optimize processes and ensure compliance while providi...

Toronto, ONIn-Person

Yesterday

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

$100K - $110K *

Transform manufacturing processes by optimizing performance, enhancing safety, and driving continuous improvement initiatives. Collaborate cross-functionally to elevate operational efficiency and prod...

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Lead process engineering projects by designing safe, efficient solutions while collaborating with multidisciplinary teams to meet client specifications and industry standards. Mentor junior engineers...

5 days ago

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

$80K - $95K *

Champion engineering excellence by leading design and execution of projects, ensuring compliance and quality. Collaborate with teams and clients to deliver innovative solutions while mentoring junior...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$108K - $163K *

Join a team that's dedicated to environmental stewardship, supporting clients in achieving compliance with state and federal regulations across diverse projects. Collaborate with experts to ensure sus...

5 days ago

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

$80K - $95K *

Advance your career by leading engineering design and execution on diverse projects. As a licensed Professional Engineer, you'll ensure quality, compliance, and collaboration while mentoring junior st...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$88K - $142K *

Play a key role in advancing Water/Wastewater projects by leading planning, design, and execution efforts. Mentor emerging engineers while fostering client relationships and ensuring project success t...

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Lead complex water/wastewater projects, managing multidisciplinary teams to deliver innovative solutions. Drive client relationships, oversee project scope, budget, and quality, while mentoring future...

Reposted 2 days ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Unlock potential by leading multidisciplinary teams on complex water projects. Drive business development, manage project scopes, and ensure quality control while fostering client relationships and me...

2 days ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Shape the future of water management by leading diverse project teams, driving innovative solutions, and fostering client relationships in a collaborative environment focused on sustainable practices...

Reposted 2 days ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Join a team that's driving innovative water/wastewater projects, managing multidisciplinary teams, and fostering client relationships. Leverage your expertise to deliver complex solutions while mentor...

Reposted 2 days ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Join a team that's shaping the future of water management by leading innovative projects. Leverage your expertise in project management and engineering to drive success across diverse water-related in...

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Optimize water-related projects by leading multidisciplinary teams, mentoring staff, and driving business development. Collaborate with clients to deliver innovative solutions while ensuring project s...

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Lead the charge in managing complex water/wastewater projects, mentoring teams, and driving client relationships. Collaborate across disciplines to deliver innovative solutions while ensuring project...

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$80K - $95K *

Shape the future of municipal infrastructure by delivering innovative hydraulic modeling and design solutions. Collaborate with multidisciplinary teams to enhance stormwater management and conveyance...

Toronto, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$95K - $167K *

Lead the charge in delivering innovative engineering solutions for water and wastewater projects. Collaborate with a dynamic team to ensure technical excellence, compliance, and client satisfaction wh...

1 week ago

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

$85K - $100K *

Innovate in water and wastewater treatment by managing capital improvement projects, coordinating with consultants, and ensuring quality design deliverables while enhancing public relations and commun...

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$110K - $130K *

Play a key role in designing life sciences manufacturing facilities by defining process flows and equipment needs, collaborating with multidisciplinary teams to deliver compliant, efficient solutions...

Reposted 2 weeks 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.