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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$121K - $194K *

Transform complex environmental projects by leading engineering efforts in mining reclamation and remediation. Collaborate with multidisciplinary teams to ensure high-quality project delivery and comp...

3 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$80K - $95K *

Transform project management by overseeing engineering initiatives, ensuring timely completion within budget. Collaborate with teams, manage resources, and communicate effectively to deliver exception...

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Lead the charge in managing environmental engineering projects, ensuring timely completion within scope and budget. Oversee resource management, project scheduling, and client communication while prom...

1 month ago

  •   5 - 7 years exp.  •   Technical Services

$110K - $130K *

Unlock potential by leading electrical engineering for a state-of-the-art facility. Oversee design, construction, and commissioning phases, ensuring compliance with codes and quality standards while m...

Reposted 3 days ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$79K - $119K *

Unlock potential by joining a dynamic team focused on developing and improving advanced electro-optical systems. Collaborate on innovative solutions that enhance production efficiency and drive contin...

3 days ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$90K - $135K *

Join a dynamic team as a Senior Environmental Scientist, leading diverse projects across transportation, water, and power sectors. Collaborate with experts to deliver impactful environmental solutions...

3 weeks ago

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

$90K - $135K *

Lead the charge in delivering impactful environmental projects across diverse sectors. Collaborate with a multidisciplinary team to analyze data, prepare permits, and ensure compliance while managing...

3 weeks ago

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

$90K - $135K *

Shape environmental projects by integrating scientific expertise and project management skills. Collaborate with multidisciplinary teams to deliver impactful solutions across various sectors, ensuring...

3 weeks ago

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

$163K - $282K *

Lead the strategic growth and technical excellence of our wastewater practice in California. Drive innovation, client engagement, and project delivery while mentoring emerging leaders and collaboratin...

1 week ago

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

$163K - $282K *

Lead your career with a strategic role in wastewater management, driving innovation and excellence across California. Collaborate with experts, mentor talent, and deliver impactful projects while enha...

1 week ago

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

$163K - $282K *

Drive growth and innovation in wastewater management across California, leading strategic initiatives, enhancing client relationships, and mentoring future leaders while ensuring project excellence an...

1 week ago

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

$163K - $282K *

Join a team that's shaping the future of wastewater management in California. Drive innovation, lead strategic initiatives, and mentor emerging professionals while delivering sustainable solutions to...

1 week ago

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

$163K - $282K *

Transform California's wastewater landscape by leading strategic initiatives, driving innovation, and delivering complex projects. Collaborate with cross-functional teams to enhance client relationshi...

1 week ago

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

$80K - $95K *

Lead innovative drainage design for diverse transportation and site projects. Utilize your expertise in hydrologic and hydraulic analyses to enhance infrastructure solutions while collaborating with a...

Yesterday

  •   5 - 7 years exp.  •   Transportation

$80K - $95K *

Join a dynamic team to design and deliver innovative drainage solutions for transportation and site development projects, ensuring compliance with industry standards and enhancing infrastructure acros...

Yesterday

  •   5 - 7 years exp.  •   Transportation

$163K - $282K *

Shape the future of wastewater management in California by leading strategic initiatives, driving innovation, and fostering client relationships. Empower teams to deliver sustainable solutions while m...

1 week ago

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

$130K - $160K *

Lead the successful delivery of municipal water and wastewater projects, managing all phases from planning to closeout. Collaborate with clients and teams to ensure quality, cost control, and timely e...

1 week ago

  •   5 - 7 years exp.  •   Staffing

$90K - $116K *

Deliver innovative engineering solutions for water/wastewater projects, managing field operations and coordinating with teams to ensure project performance on schedule, budget, and quality, while prov...

Reposted 2 weeks ago

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

$80K - $95K *

Transform civil engineering projects by leveraging your drainage expertise to design and deliver innovative solutions for transportation and site development. Collaborate with a dynamic team to enhanc...

Yesterday

  •   5 - 7 years exp.  •   Transportation

$134K - $201K *

Champion innovative mechanical design solutions for complex energy and infrastructure projects. Lead multidisciplinary teams, ensuring high-quality execution and compliance while mentoring junior engi...

3 weeks ago

  •   8 - 10 years exp.  •   Business Services

$120K - $181K *

Lead the charge in designing and delivering complex mechanical systems for energy and infrastructure projects, ensuring high-quality, code-compliant solutions while mentoring junior engineers and mana...

4 weeks ago

  •   8 - 10 years exp.  •   Business Services

$95K - $115K *

Transform environmental remediation practices by leading complex projects, fostering client relationships, and mentoring teams. Drive strategic growth initiatives while ensuring compliance and deliver...

1 week ago

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

$95K - $115K *

Lead impactful environmental remediation projects across Texas and the Gulf Coast. Collaborate with multidisciplinary teams to deliver solutions, manage client relationships, and drive business develo...

1 week ago

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

$84K - $129K *

Lead multi-disciplinary teams as a senior process engineer, driving project success through process simulations, equipment sizing, and safety reviews while mentoring junior engineers and ensuring effe...

3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$84K - $129K *

Lead the charge in engineering excellence by guiding multi-disciplinary teams on innovative projects. Utilize advanced process simulation tools to develop designs, ensuring safety and efficiency in th...

4 weeks ago

  •   5 - 7 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.