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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$78K - $121K *

Join a team that's dedicated to environmental excellence by managing the Industrial Waste Pretreatment Program and laboratory operations, ensuring compliance with regulations while leading a skilled t...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Drive impactful civil engineering projects, collaborating with public agencies to enhance community infrastructure. Lead design and construction efforts while ensuring compliance and fostering strong...

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$80K - $95K *

Join a team that's dedicated to optimizing manufacturing processes, driving equipment improvements, and enhancing operational standards. Collaborate with cross-functional teams to eliminate losses and...

3 weeks ago

  •   Less than 5 years exp.  •   Food & Beverages

$100K - $125K *

Join a team that's dedicated to delivering innovative environmental solutions. In this senior-level role, you'll manage complex projects, lead multidisciplinary teams, and develop effective remediatio...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$100K - $125K *

Drive impactful environmental solutions by managing complex remediation projects, leading multidisciplinary teams, and developing tailored strategies to address contaminated sites while ensuring compl...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$100K - $125K *

Join a team that's dedicated to delivering impactful environmental solutions. In this senior-level role, you'll manage multidisciplinary projects, develop remediation strategies, and ensure compliance...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$80K - $100K *

Analyze environmental data and oversee site investigations to develop effective remediation strategies. Collaborate with multidisciplinary teams to ensure project success while maintaining compliance...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$140K - $160K *

Empower the future of municipal water and wastewater projects by leading planning, design, and delivery efforts. Manage multidisciplinary teams, mentor junior staff, and strengthen client relationship...

2 weeks ago

  •   11 - 15 years exp.  •   Real Estate & Construction

$140K - $160K *

Unlock potential by leading water and wastewater projects, managing multidisciplinary teams, and fostering client relationships while ensuring quality and compliance throughout the project lifecycle...

2 weeks ago

  •   11 - 15 years exp.  •   Real Estate & Construction

$76K - $114K *

Shape the future of production engineering by enhancing plant operations, driving process improvements, and ensuring safety and quality standards are met. Collaborate with teams to troubleshoot issues...

Yesterday

  •   Less than 5 years exp.  •   Business Services

$80K - $95K *

Unlock your potential as a Project Engineer, delivering innovative water treatment solutions while managing client relationships and ensuring project quality and efficiency across multi-disciplinary t...

5 days ago

  •   Less than 5 years exp.  •   Technical Services

$102K - $176K *

Drive process excellence as a Senior Engineer, leading extrusion operations and continuous improvement initiatives. Collaborate cross-functionally to enhance performance, reliability, and safety in po...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Food & Beverages

$72K - $102K *

Engage in the operation and maintenance of industrial water systems, ensuring compliance and performance. Conduct sampling and analysis to uphold water quality standards, contributing to sustainable p...

1 week ago

  •   Less than 5 years exp.  •   Telecommunications & Hardware

$113K - $120K *

Join a team that's dedicated to enhancing business performance through process improvements and Lean Six Sigma methodologies. Collaborate with cross-functional teams to drive change, optimize operatio...

3 weeks ago

  •   8 - 10 years exp.  •   Finance & Insurance

$113K - $120K *

Elevate business performance by driving process improvements and optimizations. Collaborate with cross-functional teams to implement Lean Six Sigma methodologies, enhance employee experiences, and fos...

3 weeks ago

  •   8 - 10 years exp.  •   Finance & Insurance

$100K - $120K *

Shape the future of water resources by managing projects from feasibility to design. Collaborate with engineers and clients to ensure quality and timely delivery of innovative water and wastewater sol...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$80K - $90K *

Optimize manufacturing processes by driving improvements in safety, quality, and productivity. Collaborate with cross-functional teams to enhance operations and implement cost-saving initiatives in a...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $90K *

Drive manufacturing excellence by enhancing safety, quality, and productivity. Collaborate with cross-functional teams to implement continuous improvement initiatives and optimize operations in a dyna...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$88K - $105K *

Take ownership of stormwater projects, managing all phases from planning to construction. Collaborate with stakeholders to ensure timely delivery and budget adherence while addressing challenges and d...

5 days ago

  •   5 - 7 years exp.  •   Technical Services

$85K - $105K *

Unlock potential by joining our team as a mid-level environmental engineer, where you'll lead site investigations, develop remediation strategies, and collaborate with multidisciplinary teams to deliv...

Yesterday

  •   5 - 7 years exp.  •   Technical Services

$95K - $115K *

Transform infrastructure design by leading the development of FRP composite products. Utilize expertise in closed molding and structural engineering to innovate solutions, ensuring compliance with ind...

4 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Drive reliability improvements in rotating equipment by identifying issues, developing action plans, and collaborating with cross-functional teams to enhance safety, quality, and performance in a dyna...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$67K - $94K *

Join a team that's dedicated to enhancing water infrastructure through innovative engineering design. Collaborate on diverse projects, from pipelines to pump stations, while gaining hands-on experienc...

Reposted yesterday

  •   Less than 5 years exp.  •   Energy & Utilities

$98K - $157K *

Contribute to advanced mine water quality modeling and environmental assessments, leveraging expertise in GoldSim software. Collaborate with multidisciplinary teams to enhance project outcomes and men...

Edmonton, ABIn-Person

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$98K - $157K *

Shape the future of mining water quality management by leading complex modeling projects, mentoring junior staff, and collaborating with multidisciplinary teams to ensure environmental compliance and...

Calgary, 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.