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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$102K - $129K *

Optimize King County's recycled water initiatives by managing projects, ensuring compliance, and collaborating with stakeholders to enhance sustainability and resource recovery efforts across wastewat...

1 week ago

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

$160K - $195K *

Unlock potential by leading complex water resources projects, managing interdisciplinary teams, and delivering innovative solutions that enhance community resilience and environmental sustainability i...

3 weeks ago

  •   11 - 15 years exp.  •   Manufacturing & Automotive

$100K - $200K *

Champion the design and management of innovative water resources projects, deploying your expertise to support agricultural irrigation systems while leading project teams and ensuring effective client...

Reposted 3 days ago

  •   8 - 10 years exp.  •   Enterprise Technology

$80K - $95K *

Coordinate and oversee multi-disciplinary projects in drinking water treatment, ensuring compliance and timely completion. Collaborate with engineers and specialists to develop designs and support bus...

4 weeks ago

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

$125K - $270K *

Advance semiconductor technology by developing and optimizing plasma etch processes. Collaborate with cross-functional teams to enhance performance and drive innovation in patterning applications, ens...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$125K - $270K *

Contribute to groundbreaking semiconductor advancements by developing innovative processes, enhancing manufacturing techniques, and collaborating with cross-functional teams to drive efficiency and yi...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$75K - $95K *

Transform project designs by collaborating with cross-functional teams to deliver innovative electrical, instrumentation, and control solutions for water technologies, ensuring quality, budget, and sc...

Oakville, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$75K - $95K *

Empower your career by collaborating with a cross-functional team to design and implement innovative electrical and instrumentation solutions for water treatment projects, ensuring quality, budget, an...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$75K - $95K *

Advance your career by collaborating with a cross-functional team to design and implement innovative electrical and instrumentation solutions for water treatment projects, ensuring quality, budget, an...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$75K - $95K *

Join a team that's dedicated to advancing water technology through innovative EI&C design. Collaborate with cross-functional teams to deliver custom projects, ensuring quality and efficiency while mit...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$75K - $95K *

Shape the future of water technologies by leading EI&C design efforts, collaborating with cross-functional teams to meet project goals while ensuring quality, budget, and schedule adherence, and suppo...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$85K - $100K *

Join a dynamic team to lead water/wastewater design projects, managing scope and budget while leveraging client relationships. Engage in innovative solutions for municipal and private clients, enhanci...

2 weeks ago

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

$80K - $95K *

Unlock automation potential by leading projects from concept to execution, enhancing production efficiency through innovative solutions and hands-on troubleshooting in a dynamic manufacturing environm...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Join a team that's dedicated to delivering specialty water and mechanical construction projects. Oversee operations, manage budgets, and ensure compliance while fostering strong client relationships a...

4 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$120K - $145K *

Shape the future of semiconductor manufacturing by leading a dynamic Process Water Engineering team. Drive operational excellence and innovation in water systems, ensuring reliability and sustainabili...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$120K - $145K *

Join us to lead a dynamic Process Water Engineering team, driving operational excellence and innovation in semiconductor manufacturing. Your expertise will ensure the reliability and efficiency of cri...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$120K - $145K *

Drive operational excellence by leading a team of engineers focused on process water systems, ensuring reliability and efficiency across semiconductor manufacturing sites while fostering innovation an...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$85K - $100K *

Drive the technical execution of complex engineering projects, leading interdisciplinary teams to deliver high-quality results on time and within budget while ensuring compliance with standards and re...

Montreal, QCIn-Person

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$95K - $115K *

Lead engineering design and project teams for wastewater treatment solutions, ensuring high-quality deliverables and mentoring staff while collaborating across regions to support municipal infrastruct...

Reposted today

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

$95K - $115K *

Lead engineering design for wastewater projects, guiding teams through complex infrastructure challenges while mentoring staff and ensuring high-quality solutions for municipal clients...

Reposted 1 week ago

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

$74K - $102K *

Transform environmental compliance practices by leading initiatives for sustainability, regulatory adherence, and risk management. Collaborate with teams to enhance operational efficiencies and foster...

Reposted 4 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$178K - $276K *

Engage in impactful water/wastewater projects, driving client success and team management while fostering innovation and mentorship. This role demands technical expertise and strong leadership to elev...

Reposted yesterday

  •   11 - 15 years exp.  •   Technical Services

$77K - $113K *

Unlock potential by enhancing equipment reliability and performance through strategic maintenance initiatives, inspections, and continuous improvement efforts, ensuring operational excellence and safe...

2 weeks ago

  •   5 - 7 years exp.  •   Business Services

$181K - $227K *

Join a dynamic team to oversee planning, design, and construction of water/wastewater facilities. Lead projects, manage consultants, and ensure compliance while enhancing community infrastructure and...

Reposted yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$95K - $115K *

Deliver exceptional project management by leading teams, coordinating activities, and ensuring timely completion of large-scale construction projects while fostering a culture of safety and inclusion...

2 weeks ago

  •   Less than 5 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.