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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$89K - $118K *

Drive impactful civil engineering solutions for municipal infrastructure, managing projects from design to construction. Collaborate with multidisciplinary teams to enhance community resilience and su...

Smithers, BCIn-Person

4 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$110K - $140K *

Lead the charge in delivering innovative civil engineering solutions for complex projects. Collaborate with multidisciplinary teams to ensure compliance, quality, and client satisfaction while mentori...

3 weeks ago

  •   11 - 15 years exp.  •   Business Services

$140K - $175K *

Advance your career by overseeing diverse water resource projects, managing budgets, and ensuring timely execution. Collaborate with clients and lead technical teams to achieve project goals while fos...

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$133K - $200K *

Drive growth by developing strategic account plans and leading consultative sales engagements. Build strong customer relationships and manage the sales cycle to deliver tailored solutions that enhance...

6 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Unlock potential by supporting Major Projects in geotechnical engineering, focusing on pavement design and analysis. Collaborate with clients and stakeholders to deliver innovative solutions from ince...

Hamilton, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $115K *

Drive mechanical engineering excellence by serving as the in-house expert for static equipment and managing small projects, ensuring safety and efficiency in operations while supporting maintenance an...

Today

  •   8 - 10 years exp.  •   Energy & Utilities

$102K - $150K *

Lead the engineering and project management of mechanical systems, enhancing materials handling solutions across diverse sectors. Collaborate with multidisciplinary teams to deliver high-quality engin...

Vancouver, BCIn-Person

Reposted 5 days ago

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

$93K - $103K *

Elevate your career by driving quality improvements in manufacturing. Lead investigations, implement corrective actions, and enhance supplier performance while collaborating with cross-functional team...

Yesterday

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $109K *

Champion project success by overseeing multiple assignments, ensuring timely delivery, and enhancing customer relationships. Utilize your expertise to drive sales growth and support critical infrastru...

Today

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Optimize project delivery by leading multi-discipline teams in planning, designing, and managing water and wastewater systems, ensuring quality and timely execution while fostering strong client relat...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Manage the execution of civil engineering projects, delivering site development solutions. Collaborate with internal teams and external clients, ensuring compliance and quality while tackling design a...

Reposted 1 week ago

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

$110K - $130K *

Lead the charge in managing technical delivery of capital projects under $30M, ensuring safety, quality, and budget adherence while driving innovative engineering solutions and risk mitigation strateg...

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$80K - $95K *

Transform manufacturing processes by leading continuous improvement initiatives, optimizing workflows, and enhancing operational efficiency. Collaborate with cross-functional teams to drive standardiz...

1 week ago

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

$100K - $120K *

Drive the technical delivery of small capital projects, ensuring safety, quality, and budget adherence. Collaborate with cross-functional teams to innovate solutions and manage risks throughout the pr...

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$80K - $95K *

Drive innovation by optimizing biologics processes, collaborating with teams, and troubleshooting technical issues to enhance efficiency and product quality in a state-of-the-art environment...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$74K - $112K *

Empower operational excellence by leading automation and data digitization initiatives. Collaborate across functions to enhance manufacturing processes, drive improvements, and implement innovative so...

6 days ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$120K - $145K *

Drive environmental compliance excellence by leading assessments, audits, and regulatory reporting. Collaborate with cross-functional teams to implement best practices and ensure operational integrity...

3 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$95K - $115K *

Elevate your career by leading project execution while ensuring client satisfaction, profitability, and team development in a dynamic environment that fosters growth and innovation...

Reposted yesterday

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Accelerate progress at the intersection of project management and business development by supervising and guiding department operations, ensuring quality, safety, and profitability in delivering excep...

Reposted yesterday

  •   8 - 10 years exp.  •   Technical Services

$100K - $130K *

Shape the future of industrial automation by leading E&I projects from concept to commissioning. Collaborate with teams to enhance plant operations through innovative electrical and control solutions...

Yesterday

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Drive innovation by leveraging your expertise in uranium processing and engineering. Collaborate on advanced projects, leading teams and optimizing processes for maximum efficiency. Your extensive exp...

Reposted 4 days ago

  •   15+ years exp.  •   Energy & Utilities

$71K - $106K *

Champion air quality initiatives by supporting compliance and permitting projects for diverse clients. Collaborate with a dynamic team to drive innovation and enhance environmental sustainability acro...

4 weeks ago

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

$71K - $106K *

Drive impactful air quality solutions by supporting compliance and permitting projects for diverse industries. Collaborate with a dynamic team to enhance environmental sustainability and ensure regula...

4 weeks ago

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

$71K - $106K *

Transform air quality compliance by leading projects for diverse industries. Collaborate with a dynamic team to deliver innovative solutions in environmental health and safety, ensuring regulatory adh...

4 weeks ago

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

$110K - $130K *

Champion strategic growth in water infrastructure by leading client engagement, managing multidisciplinary teams, and delivering complex projects. Shape the future of water services across Upstate New...

1 week 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.