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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$100K - $120K *

Elevate your career by leading impactful drinking water projects. Manage the full project lifecycle, collaborate with multidisciplinary teams, and drive innovative solutions to ensure safe and sustain...

Today

  •   8 - 10 years exp.  •   Finance & Insurance

$95K - $115K *

Shape the future of pharmaceutical manufacturing by leading process development, validation, and optimization. Collaborate with cross-functional teams to ensure robust, compliant processes that delive...

2 weeks ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$89K - $118K *

Champion the development of innovative municipal infrastructure solutions through comprehensive design, analysis, and collaboration to enhance water and wastewater systems, ensuring efficiency and sus...

Reposted 2 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Join a dynamic team to deliver innovative planning and design solutions for water and wastewater systems. Collaborate with clients and project members to ensure quality service throughout all project...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $110K *

Join a team that's dedicated to optimizing processes in a dynamic manufacturing environment. Collaborate across functions to enhance quality, reduce costs, and boost productivity while ensuring safety...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$85K - $100K *

Join our team to optimize groundwater assessments for diverse projects across Alberta. This hands-on role balances fieldwork with data analysis, mentoring, and collaboration, ensuring effective hydrog...

Calgary, ABIn-Person

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$97K - $194K *

Join a team that supports municipal wastewater treatment projects across the nation. Leverage your engineering expertise on complex designs while collaborating with multidisciplinary professionals to...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$91K - $132K *

Join a team that's dedicated to enhancing municipal drinking water systems. Leverage your engineering expertise to support diverse projects, collaborate with specialists, and contribute to innovative...

Windsor, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$91K - $139K *

Join our team to support municipal drinking water projects, leveraging your engineering expertise. Collaborate with diverse specialists, manage multiple assignments, and contribute to innovative solut...

Ottawa, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$107K - $150K *

Advance your career by leading the design and construction of wet utilities. Collaborate with multidisciplinary teams, manage projects, and ensure compliance with industry standards while mentoring ju...

Mississauga, ONIn-Person

2 weeks ago

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

$107K - $150K *

Elevate your career as a Senior Municipal Engineer, leading the design and construction of wet utilities. Collaborate with multidisciplinary teams, ensuring compliance and quality while managing proje...

Toronto, ONIn-Person

2 weeks ago

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

$95K - $115K *

Lead impactful civil engineering projects, managing teams and collaborating across regions to enhance water infrastructure and resources. Drive business development while mentoring staff and ensuring...

2 days ago

  •   8 - 10 years exp.  •   Technical Services

$79K - $94K *

Elevate manufacturing processes by providing engineering support, optimizing operations, and leading safety initiatives. Collaborate cross-functionally to drive continuous improvement and innovation i...

2 weeks ago

  •   Less than 5 years exp.  •   Food & Beverages

$87K - $107K *

Build innovative manufacturing processes to lead complex projects, enhance safety, and reduce defects. Collaborate cross-functionally and leverage expertise in engineering to drive improvements and ac...

Reposted 4 weeks ago

  •   5 - 7 years exp.  •   Food & Beverages

$95K - $115K *

Unlock potential by leading technology transfers and new product introductions in pharmaceutical manufacturing. Collaborate cross-functionally to ensure robust, compliant processes while supporting li...

2 weeks ago

  •   5 - 7 years exp.  •   Pharmaceuticals & Biotech

$75K - $90K *

Optimize environmental assessments and remediation projects by collaborating with project managers and clients. Engage in fieldwork, data analysis, and report preparation to ensure compliance with reg...

2 days ago

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

$74K - $123K *

Help us advance environmental projects by conducting assessments, managing investigations, and preparing reports. Collaborate with teams to deliver effective remediation solutions while ensuring compl...

Edmonton, ABIn-Person

1 week ago

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

$74K - $123K *

Partner with us to drive impactful environmental projects, collaborating with teams on assessments, remediation, and monitoring. Utilize your expertise to manage tasks, engage clients, and deliver hig...

1 week ago

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

$74K - $123K *

Optimize environmental assessments and remediation projects by collaborating with project managers and clients. Contribute to data analysis, report preparation, and field investigations while ensuring...

Vancouver, BCIn-Person

1 week ago

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

$74K - $123K *

Optimize environmental assessments and remediation projects by collaborating with project managers and clients. Engage in data analysis, report preparation, and field investigations to ensure complian...

Calgary, ABIn-Person

1 week ago

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

$80K - $95K *

Transform manufacturing processes by leading continuous improvement initiatives, enhancing product quality, and optimizing production methods. Collaborate with teams to drive efficiency and ensure com...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Lead process improvement initiatives and support equipment onboarding in a dynamic manufacturing environment. Collaborate with teams to enhance efficiency and drive innovation while communicating insi...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Optimize manufacturing processes by leading supplier onboarding, equipment installation, and performance testing. Drive continuous improvement initiatives to enhance efficiency and reduce costs while...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Join a team that's driving innovation in manufacturing processes. This role supports supplier onboarding, equipment upgrades, and process improvements, ensuring optimal performance and efficiency acro...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Join a dynamic team to define and design life sciences manufacturing processes, ensuring compliance and efficiency in facility layouts. Collaborate with multidisciplinary teams to translate complex re...

2 weeks 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.