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 - $110K *

Lead environmental remediation projects, ensuring safety and compliance while managing teams and client relationships. Oversee proposal preparation, cost estimates, and project execution across variou...

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$120K - $165K *

Lead the charge in managing water/wastewater projects, fostering client relationships, and guiding a multidisciplinary team to deliver impactful engineering solutions while ensuring compliance with in...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$120K - $165K *

Champion client relationships and lead multidisciplinary teams in managing water/wastewater projects. Oversee project scopes, budgets, and schedules while ensuring compliance with regulations and deli...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Transform the future of fluid transfer products by providing engineering support, solving manufacturing issues, and driving product enhancements in a collaborative environment. Engage with cross-funct...

4 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Elevate engineering excellence by providing frontline support for fluid transfer products. Collaborate with cross-functional teams to resolve manufacturing issues, enhance product performance, and dri...

4 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Join a team that's dedicated to providing technical support and guidance in membrane systems. Collaborate across departments to optimize solutions, assist customers, and enhance product performance th...

United StatesRemote

Today

  •   Less than 5 years exp.  •   Energy & Utilities

$125K - $150K *

Elevate your career by leading complex engineering projects, mentoring teams, and driving strategic initiatives. This senior-level role demands expertise in project delivery and client relations, ensu...

3 weeks ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Join a team that's dedicated to innovative mechanical system design and analysis. Collaborate globally to deliver high-quality engineering solutions across diverse sectors, ensuring compliance with in...

Calgary, ABIn-Person

2 weeks ago

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

$75K - $90K *

Join a team that's dedicated to engineering excellence, supporting project planning, design, and analysis while mentoring junior staff and collaborating with multidisciplinary teams to deliver innovat...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $110K *

Lead environmental remediation projects, ensuring safety and compliance while managing teams and client relationships. Drive project success through effective planning, cost estimation, and technical...

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$80K - $110K *

Lead the charge in managing environmental remediation projects, ensuring safety and compliance while overseeing field teams and developing client relationships. Drive project success through effective...

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$80K - $110K *

Transform environmental projects by leading remediation efforts, ensuring safety, managing teams, and fostering client relationships while delivering technical support and cost estimates for successfu...

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$80K - $110K *

Oversee environmental remediation projects, ensuring safety and compliance while managing teams and client relationships. Drive project success through effective planning, execution, and technical sup...

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$90K - $170K *

Grow your career with a mid- to senior-level hydrogeologist role, managing environmental investigations and remediation projects. Collaborate with diverse teams, oversee tasks, and deliver high-qualit...

3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $119K *

Drive operational excellence by managing district heating and cooling plants, ensuring efficient maintenance and compliance with safety regulations while supporting vital community services...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$69K - $97K *

Unlock your potential as a Water Resources EIT, collaborating on diverse engineering projects, from calculations to fieldwork, under senior guidance. Contribute to innovative solutions in civil engine...

Reposted yesterday

  •   Less than 5 years exp.  •   Technical Services

$90K - $104K *

Drive innovative HVAC solutions as a Mechanical Project Engineer, leveraging 5-10 years of experience in Mechanical Design. Collaborate with multidisciplinary teams to deliver superior project outcome...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$90K - $100K *

Elevate your career by ensuring effective engineering solutions in chemical processing. Collaborate with teams, manage projects, and improve processes in a fast-paced environment while leading innovat...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Lead environmental compliance initiatives by developing innovative solutions to reduce risks and enhance sustainability. Collaborate with diverse teams to implement best practices in air, waste, and w...

3 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$96K - $120K *

Join a dynamic team as you lead environmental and civil engineering projects, focusing on stormwater and solid waste management. Engage with clients, mentor staff, and drive project success while cont...

3 days ago

  •   5 - 7 years exp.  •   Technical Services

$145K - $190K *

Drive impactful environmental projects by leading assessments, mentoring teams, and fostering client relationships. Shape the future of sustainability while ensuring excellence in project management a...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$145K - $190K *

Empower a talented team as you lead environmental assessments and remediation projects. Drive innovation, build client relationships, and mentor staff while making a positive impact on sustainability...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$145K - $190K *

Help us drive innovation in environmental practices while mentoring a talented team. Collaborate closely with leaders to shape impactful projects and foster client relationships in a vibrant, growth-o...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$145K - $190K *

Lead a dynamic team in environmental assessments, driving innovation and sustainability while mentoring talent and fostering client relationships to make a positive impact on the environment...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$145K - $190K *

Lead the charge in driving environmental assessments and remediation projects. Collaborate with a talented team to mentor staff, build client relationships, and ensure project excellence while making...

Yesterday

  •   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.