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

$88K - $105K *

Drive innovative water infrastructure projects by managing full project lifecycles, from design to commissioning. Collaborate with teams to enhance sustainable utility services across Texas, ensuring...

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$100K - $140K *

Innovate in water and wastewater engineering by planning, designing, and delivering essential systems. Collaborate with teams to enhance project outcomes while mentoring junior staff and driving techn...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $117K *

Engineer innovative water treatment solutions by leading project designs, ensuring quality and budget adherence, while collaborating with cross-functional teams to meet customer expectations and mitig...

Oakville, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$114K - $191K *

Unlock potential by leading mechanical design teams on innovative industrial water projects. Collaborate with experts globally to deliver optimal solutions for water and wastewater treatment facilitie...

Reposted 1 week ago

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

$65K - $190K *

Explore impactful opportunities as part of a dynamic team dedicated to innovating water and wastewater solutions for municipal and industrial clients across the U.S., enhancing community well-being an...

Reposted yesterday

  •   Less than 5 years exp.  •   Enterprise Technology

$115K - $150K *

Join a team that's dedicated to enhancing water infrastructure through innovative engineering solutions. Collaborate with multidisciplinary experts to deliver impactful projects while mentoring junior...

5 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Transform communities by leading innovative water and wastewater projects. Utilize advanced engineering principles to design, analyze, and deliver sustainable solutions while mentoring junior engineer...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Elevate your career by designing and delivering innovative water and wastewater infrastructure projects. Collaborate with multidisciplinary teams to ensure compliance and quality while mentoring junio...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Drive impactful water and wastewater projects by applying advanced engineering principles. Collaborate with multidisciplinary teams to ensure compliance and deliver innovative solutions that enhance c...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$106K - $156K *

Lead multidisciplinary teams in the design and management of water/wastewater projects, ensuring compliance with industry standards while delivering innovative solutions that enhance community infrast...

3 days ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Unlock potential by managing diverse water/wastewater projects, leading multidisciplinary teams, and ensuring compliance with industry standards while fostering client relationships and driving projec...

London, ONIn-Person

3 days ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Lead the charge in designing innovative water/wastewater infrastructure projects. Collaborate with multidisciplinary teams to manage complex engineering tasks, ensuring quality and compliance while fo...

Toronto, ONIn-Person

3 days ago

  •   8 - 10 years exp.  •   Technical Services

$106K - $156K *

Transform water infrastructure projects by leveraging your expertise in process mechanical engineering and project management. Collaborate with multidisciplinary teams to deliver innovative solutions...

Waterloo, ONIn-Person

3 days ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Deliver innovative solutions as a senior process engineer, managing water treatment projects. Collaborate with diverse teams and clients, ensuring compliance and quality while driving project success...

2 days ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Engage in impactful municipal water and wastewater projects by leading multidisciplinary teams, managing project delivery, and ensuring technical excellence in design and execution while fostering str...

1 week ago

  •   8 - 10 years exp.  •   Staffing

$148K - $198K *

Shape the future of municipal wastewater treatment by leading innovative projects that enhance performance and sustainability. Utilize your expertise to guide multidisciplinary teams and deliver effec...

Thornhill, ONIn-Person

3 days ago

  •   8 - 10 years exp.  •   Technical Services

$121K - $182K *

Elevate your career by leading industrial water/wastewater projects, collaborating with multi-disciplinary teams, and driving business growth through innovative design solutions and client engagement...

2 weeks ago

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

$121K - $182K *

Contribute to innovative industrial water and wastewater projects, leveraging your expertise to lead design management, mentor teams, and drive business growth while collaborating with multidisciplina...

2 weeks ago

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

$121K - $182K *

Transform industrial water and wastewater projects by leveraging 10+ years of engineering expertise. Lead design management, collaborate with teams, and drive business growth through innovative treatm...

2 weeks ago

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

$95K - $115K *

Champion process design excellence by leading teams in developing specifications and optimizing processes. Collaborate with contractors to ensure project success and safety while mentoring junior engi...

4 weeks ago

  •   Less than 5 years exp.  •   Staffing

$75K - $124K *

Join a dynamic team as an Industrial Water Wastewater Process Engineer, leveraging your expertise in designing and optimizing treatment systems. Collaborate with multidisciplinary teams to deliver inn...

6 days ago

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

$75K - $124K *

Lead the charge in optimizing industrial water and wastewater projects, applying advanced treatment technologies while collaborating with multidisciplinary teams to deliver innovative solutions from d...

6 days ago

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

$75K - $124K *

Join a team that's driving innovation in industrial water treatment. Leverage your expertise in wastewater processes to design and implement solutions, mentor junior engineers, and collaborate on dive...

6 days ago

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

$75K - $124K *

Join a team that's shaping the future of industrial water treatment. Leverage your expertise in wastewater processes to design innovative solutions, mentor junior engineers, and collaborate on impactf...

6 days ago

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

$75K - $124K *

Join a team that's tackling complex industrial water and wastewater projects. Leverage your engineering expertise to design innovative treatment solutions while collaborating with multidisciplinary te...

6 days ago

  •   Less than 5 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.