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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$90K - $120K *

Lead the charge in hydraulic engineering for pipeline and facility projects. Collaborate with a multi-disciplinary team to conduct steady state and transient analyses, ensuring optimal design and perf...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$90K - $120K *

Shape the future of hydraulic engineering by providing expert analysis and support for pipeline and facility projects. Collaborate with a multidisciplinary team to optimize designs and ensure complian...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$90K - $120K *

Shape the future of hydraulic engineering by providing expert analysis and support for pipeline and facility projects. Collaborate with a multidisciplinary team to deliver innovative solutions in the...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$90K - $120K *

Transform your career by providing hydraulic engineering support for pipeline and terminal projects. Collaborate with a multi-disciplinary team to conduct steady state and transient analyses, ensuring...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$145K - $170K *

Drive innovative process engineering solutions to enhance plant operations, bridging R&D and design. Lead equipment selection and ensure compliance while tackling challenges in scaling and implementin...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$90K - $105K *

Drive impactful water resources solutions by leveraging hydrologic and hydraulic analysis expertise. Collaborate on stormwater planning, flood control, and water quality projects while preparing techn...

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$100K - $120K *

Transform environmental consulting by leading impactful assessments, managing diverse projects, and fostering client relationships. Drive innovation in environmental planning while mentoring junior st...

Calgary, ABIn-Person

3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$80K - $95K *

Join us to lead environmental planning studies and manage programs, ensuring compliance with regulations. Collaborate with diverse teams and clients while driving business development and mentoring ju...

Calgary, ABIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$73K - $92K *

Join a dedicated team to evaluate public water system applications, ensuring compliance with Safe Drinking Water regulations. Provide technical guidance and support inspections, contributing to enviro...

Today

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

$73K - $92K *

Drive environmental protection initiatives by reviewing public water system applications, ensuring compliance with Safe Drinking Water regulations, and providing technical guidance to enhance public h...

Today

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

$88K - $105K *

Unlock potential in water resource projects by leading design and engineering efforts. Collaborate with teams to deliver innovative solutions, manage client relations, and drive business development w...

5 days ago

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

$80K - $95K *

Support continuous improvement as an experienced engineer driving plant efficiency, managing projects, and resolving technical challenges. Collaborate with teams to optimize processes and uphold safet...

Reposted 3 weeks ago

  •   Less than 5 years exp.  •   Food & Beverages

$95K - $115K *

Advance continuous casting operations by implementing process improvements and enhancing product quality. Utilize strong analytical skills to drive initiatives that boost throughput and operational ef...

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$92K - $110K *

Take ownership of driving growth in the data center liquid cooling market, leveraging your expertise to secure new product opportunities and build strong customer relationships while navigating techni...

Calgary, ABIn-Person

Reposted 6 days ago

  •   5 - 7 years exp.  •   Pharmaceuticals & Biotech

$112K - $157K *

Manage complex sewer system operations, ensuring public safety and effective flood management. Lead projects from conception to closeout, collaborating with stakeholders and analyzing redevelopment fo...

2 days ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$120K - $140K *

Collaborate with us to lead process engineering projects from inception to construction, supporting clients in the chemical industry. Utilize your expertise in PFDs, P&IDs, and equipment specification...

3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$120K - $140K *

Lead the charge in process engineering, supporting diverse projects from inception to construction. Collaborate with multi-discipline teams to deliver innovative solutions for clients in the chemical...

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$180K - $230K *

Empower your career by leading hydrogeology projects, mentoring staff, and enhancing client relationships. This senior role requires technical expertise in mine water management and groundwater analys...

Vancouver, BCIn-Person

4 weeks ago

  •   15+ years exp.  •   Technical Services

$104K - $147K *

Join a team that's committed to innovative mechanical design and engineering. Collaborate on large-scale projects, ensuring quality and safety in developing industrial equipment while enhancing your s...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$86K - $126K *

Shape the future of energy infrastructure by leading civil engineering projects, managing multidisciplinary teams, and ensuring compliance with environmental standards while delivering high-quality de...

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Grow your career with a dynamic role focused on electrical design for water and wastewater facilities, overseeing projects from conception to execution while mentoring junior engineers and ensuring co...

Yesterday

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Champion operational excellence by overseeing water production facilities, ensuring compliance with regulations, optimizing processes, and developing future leaders while engaging with the community a...

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$95K - $115K *

Champion the delivery of water and wastewater infrastructure projects, leading multidisciplinary teams through all project phases while managing client relationships and ensuring quality outcomes acro...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Drive impactful water and wastewater projects by leading multidisciplinary teams, managing project lifecycles, and fostering client relationships to enhance civil infrastructure across Alberta...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$100K - $120K *

Champion innovative water and wastewater projects, leading multidisciplinary teams to deliver impactful civil infrastructure solutions for diverse clients across Alberta, from planning through to proj...

Lethbridge, ABIn-Person

1 week ago

  •   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.