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 - $140K *

Lead the charge in process engineering for complex EPC projects, providing strategic technical leadership and mentoring while ensuring successful delivery of large-scale power generation and renewable...

2 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$115K - $176K *

Join a dynamic team to lead engineering projects, providing technical expertise and direction. Collaborate with stakeholders to assess and solve complex water system challenges while managing resource...

Today

  •   5 - 7 years exp.  •   Energy & Utilities

$130K - $155K *

Join a team that's dedicated to enhancing process performance and reliability. As a senior specialist, you'll lead projects, mentor engineers, and drive innovation in hydroprocessing, ensuring optimal...

6 days ago

  •   11 - 15 years exp.  •   Energy & Utilities

$92K - $139K *

Drive impactful environmental projects by leading assessments and remediation efforts. Collaborate with teams across Canada, mentor staff, and ensure project quality while managing budgets and timelin...

London, ONIn-Person

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$92K - $139K *

Elevate your career by leading environmental projects, mentoring teams, and driving innovative solutions in site assessment and remediation across diverse sectors. Collaborate with experts to ensure p...

Thunder Bay, ONIn-Person

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$92K - $147K *

Lead impactful environmental projects, guiding teams and managing client relationships while ensuring compliance and quality across diverse sectors. Collaborate with experts to deliver innovative solu...

Hamilton, ONIn-Person

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$92K - $147K *

Grow your career with a leading environmental team, managing complex projects and mentoring staff while ensuring compliance and quality across diverse sectors. Collaborate with clients and stakeholder...

Mississauga, ONIn-Person

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$92K - $139K *

Elevate your career by leading environmental projects, mentoring teams, and driving innovative solutions in site assessment and remediation. Collaborate across sectors to enhance client relationships...

Sudbury, ONIn-Person

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$92K - $147K *

Drive environmental projects by leading assessments and remediation efforts, managing budgets and timelines, and mentoring staff. Collaborate with clients and stakeholders to deliver high-quality solu...

Ottawa, ONIn-Person

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Drive impactful environmental projects by leading assessments and remediation efforts. Collaborate with multidisciplinary teams to ensure project success while mentoring junior staff and managing clie...

Waterloo, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $120K *

Lead the charge in environmental engineering by managing complex projects, mentoring staff, and ensuring compliance with regulations. Collaborate across teams to deliver innovative solutions and drive...

Sudbury, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $120K *

Lead the charge in delivering innovative environmental solutions, managing complex projects, and mentoring teams. Collaborate across sectors to drive growth and ensure compliance with regulations whil...

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Lead environmental projects by providing technical expertise, managing budgets, and mentoring staff. Collaborate with teams across North America to drive project success and ensure compliance with reg...

Mississauga, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $120K *

Take ownership of complex environmental projects, providing technical expertise and leadership in site assessments and remediation efforts while ensuring quality, safety, and client satisfaction acros...

Thunder Bay, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $120K *

Lead the charge in delivering innovative environmental solutions through project management, mentorship, and collaboration across sectors, ensuring quality and compliance while driving business growth...

London, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $120K *

Deliver technical expertise in environmental projects, leading assessments and remediation efforts while managing budgets and schedules. Collaborate with teams across North America to drive business g...

Ottawa, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $130K *

Empower your career by leading environmental projects, mentoring teams, and driving innovative solutions. Collaborate across sectors to enhance business growth while ensuring project quality and compl...

Markham, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $120K *

Lead impactful environmental projects, guiding teams and managing deliverables while ensuring compliance with regulations. Collaborate across sectors to drive business growth and deliver innovative so...

Hamilton, ONIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$108K - $130K *

Lead the charge in engineering and commissioning for utility systems, ensuring safe and efficient operations across wastewater treatment and incineration projects. Collaborate with multidisciplinary t...

5 days ago

  •   8 - 10 years exp.  •   Pharmaceuticals & Biotech

$124K - $171K *

Drive your career with impactful process engineering solutions. Engage in complex problem-solving, data analysis, and vendor partnerships while leading project teams and supporting junior colleagues i...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$147K - $202K *

Drive the design and optimization of manufacturing processes in semiconductor and display technologies, collaborating with R&D teams to enhance product performance and resolve engineering challenges t...

Yesterday

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$171K - $236K *

Empower innovation by managing engineering teams to tackle complex hardware characterization challenges, ensuring effective product demonstrations and strategic execution across diverse product lines...

4 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$108K - $148K *

Unlock your potential by designing and optimizing cutting-edge manufacturing processes. Collaborate with top experts in semiconductor and display technologies while tackling complex engineering challe...

4 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$147K - $202K *

Empower innovation by designing and optimizing manufacturing processes in semiconductor and display technologies. Collaborate with R&D teams to troubleshoot, analyze data, and implement cutting-edge s...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$147K - $202K *

Join a dynamic team as you design and optimize manufacturing processes for cutting-edge display and semiconductor technologies, collaborating with R&D and vendors to drive innovation and resolve compl...

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

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.