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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$120K - $165K *

Unlock potential by leading hydro turbine design and engineering projects, optimizing asset performance, and ensuring compliance with industry standards. Collaborate with cross-functional teams to enh...

United StatesRemote

4 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$100K - $120K *

Join a dynamic team to design and deliver innovative electrical solutions for water and wastewater infrastructure projects, ensuring high-quality standards and collaboration across multidisciplinary t...

3 weeks ago

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

$80K - $95K *

Drive project excellence by applying engineering expertise to manage scope, budget, and schedules, ensuring compliance with safety and technical standards while collaborating with multidisciplinary te...

Montreal, QCIn-Person

Reposted yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$100K - $110K *

Join our team to plan and lead project engineering initiatives for Electronics Specialty Gas projects, ensuring successful design, construction, and integration while enhancing safety and performance...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Unlock your potential by leading engineering projects in a dynamic environment. Collaborate with cross-functional teams to ensure safety, quality, and efficiency while driving innovative solutions in...

4 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$100K - $120K *

Manage and support capital projects in pharmaceutical environments, ensuring effective execution of construction, commissioning, and startup activities while collaborating with internal teams and cont...

Reposted 5 days ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$110K - $130K *

Accelerate operational success as a Completion & Workover Engineer, overseeing planning, execution, and cost analysis for well completion and workover projects while ensuring compliance and safety acr...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$80K - $95K *

Manage engineering projects by analyzing specifications and coordinating production processes. Collaborate with teams to resolve issues, improve productivity, and ensure quality control while guiding...

Guelph, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$85K - $100K *

Partner with us to lead innovative waste management projects, driving sustainable solutions and technical excellence while fostering client relationships and mentoring junior staff in a collaborative...

Calgary, ABIn-Person

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$87K - $95K *

Transform your career by leading engineering, construction, and commissioning efforts for water treatment plants. Collaborate with cross-functional teams to ensure operational excellence and safety wh...

Bellevue, WARemote

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$87K - $95K *

Lead the charge in optimizing water treatment processes through engineering support, construction liaison, and commissioning activities. Collaborate with cross-functional teams to ensure operational e...

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$95K - $146K *

Unlock potential by managing water and wastewater infrastructure projects. Lead planning, design, and construction efforts while ensuring compliance with standards and regulations. Collaborate with te...

6 days ago

  •   Less than 5 years exp.  •   Education, Government & Non-Profit

$110K - $130K *

Transform the Civil/Site practice by leading business development, managing projects, and mentoring teams. Drive growth through client relationships and multidisciplinary collaboration while ensuring...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$110K - $130K *

Lead and mentor a team of engineers to drive project success, enhance client relationships, and ensure technical excellence in civil engineering. Collaborate with senior leadership to shape practice g...

3 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$145K - $180K *

Join a team that's shaping the future of water and wastewater services by providing strategic leadership and technical expertise. Drive growth, enhance client relationships, and develop high-performin...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$145K - $180K *

Join a team that's shaping the future of water and wastewater services by providing strategic leadership, fostering client relationships, and driving operational excellence across municipal markets wh...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$110K - $160K *

Lead impactful water/wastewater projects, managing design and client relations while ensuring compliance with regulations. Drive team success and advance your career in a collaborative environment foc...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$110K - $160K *

Drive impactful water and wastewater projects, managing design and client relations while ensuring compliance with regulations. Lead teams and enhance your career in a dynamic environment focused on i...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$72K - $93K *

Lead the charge in ensuring compliance and operational excellence across wastewater facilities. Conduct inspections, identify deficiencies, and maintain regulatory standards to enhance system performa...

2 weeks ago

  •   Less than 5 years exp.  •   Education, Government & Non-Profit

$88K - $105K *

Explore a leadership role in municipal engineering, managing impactful projects from planning to implementation while fostering client relationships and expanding services across communities in Wester...

2 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$100K - $120K *

Lead impactful water treatment projects, ensuring quality and budget adherence. Collaborate with multidisciplinary teams to design innovative solutions for municipal clients while mentoring junior eng...

Halifax, NSIn-Person

3 weeks ago

  •   8 - 10 years exp.  •   Business Services

$80K - $95K *

Transform the future of wastewater management by leading operations, ensuring compliance, and driving growth. Collaborate with teams to enhance performance and client relations while overseeing staffi...

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$160K - $208K *

Lead the charge in evaluating and designing hydraulic structures, mentoring engineers, and overseeing dam projects. Collaborate with clients and stakeholders to ensure technical excellence and project...

3 weeks ago

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

$129K - $180K *

Shape the future of water infrastructure by managing complex projects from concept to completion. Ensure quality, safety, and client satisfaction while leading teams in the construction of vital potab...

3 weeks ago

  •   8 - 10 years exp.  •   Business Services

$95K - $115K *

Join a team that's shaping the future of industrial processes through dynamic simulation. Leverage your expertise to deliver innovative solutions, collaborate with clients, and enhance operational eff...

1 week ago

  •   Less than 5 years exp.  •   Enterprise Technology

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.