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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$80K - $95K *

Analyze and deliver innovative water and wastewater infrastructure projects. Collaborate with multidisciplinary teams to ensure compliance and quality while mentoring junior engineers and driving succ...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$130K - $165K *

Lead the charge in planning and delivering innovative water and wastewater infrastructure projects. Collaborate with multidisciplinary teams to enhance community sustainability and ensure compliance w...

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$120K - $150K *

Transform community infrastructure by leading innovative water/wastewater projects. Collaborate with multidisciplinary teams to design and deliver sustainable solutions, while mentoring junior staff a...

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$88K - $105K *

Drive innovative solutions in water/wastewater engineering, managing projects from design to execution. Collaborate with multidisciplinary teams to enhance community infrastructure and ensure environm...

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$130K - $160K *

Empower progress at essential water infrastructure projects, collaborating with multidisciplinary teams to design, analyze, and deliver innovative solutions for water and wastewater systems while ment...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$130K - $160K *

Elevate your career by leading water and wastewater infrastructure projects. Collaborate with multidisciplinary teams to design and deliver essential solutions while mentoring junior engineers and enh...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$130K - $160K *

Unlock your potential as you drive the planning and design of vital water infrastructure projects. Collaborate with multidisciplinary teams to deliver innovative solutions that enhance community resou...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$130K - $160K *

Join a team that's dedicated to enhancing water infrastructure projects across California. Leverage your engineering expertise to design, deliver, and manage essential water and wastewater systems whi...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$130K - $160K *

Develop innovative water and wastewater infrastructure solutions, collaborating with multidisciplinary teams to ensure project success. Engage in design, analysis, and client relations while mentoring...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Engineer innovative water and wastewater infrastructure solutions by leading multidisciplinary teams, managing projects from design to execution, and ensuring client satisfaction and project profitabi...

Reposted yesterday

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

$75K - $95K *

Innovate solutions as a Water Resources Engineer, tackling hydrologic and hydraulic challenges while collaborating with multidisciplinary teams to deliver impactful renewable energy and infrastructure...

Minnesota, USRemote

6 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$140K - $190K *

Transform water and wastewater treatment projects by leading design integration and execution. Leverage your expertise to guide process selection, develop design packages, and collaborate with multidi...

Reposted 1 week ago

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

$96K - $140K *

Drive innovative water and wastewater solutions nationwide, supporting strategic initiatives and regulatory compliance for diverse clients. Collaborate with multidisciplinary teams to enhance project...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Shape the future of water management by leading innovative projects in water and wastewater strategy. Collaborate with multidisciplinary teams to deliver sustainable solutions for industrial clients a...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Unlock your potential as you lead innovative water strategy initiatives nationwide, driving compliance and sustainability for advanced manufacturing and industrial clients while collaborating with mul...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Join a team that's shaping water strategy initiatives nationwide, focusing on due diligence, water supply development, and compliance for advanced manufacturing and industrial clients. Drive innovativ...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Play a key role in advancing water strategy initiatives nationwide, supporting due diligence evaluations, water supply development, and compliance for industrial clients while collaborating with multi...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Deliver innovative water and wastewater solutions by managing projects, collaborating with multidisciplinary teams, and providing regulatory guidance to ensure compliance and optimize resource managem...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Drive innovative water strategy initiatives nationwide, overseeing due diligence, sourcing, and compliance for advanced manufacturing and industrial clients. Collaborate with multidisciplinary teams t...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Transform your career by leading innovative water and wastewater projects. Collaborate with multidisciplinary teams to develop strategies, ensure compliance, and deliver sustainable solutions for dive...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Join us to lead innovative water and wastewater projects, driving strategic initiatives and regulatory compliance while collaborating with multidisciplinary teams to deliver sustainable solutions for...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Join a team that's redefining water strategy initiatives nationwide. Drive innovative solutions in water supply, wastewater management, and regulatory compliance for advanced manufacturing and industr...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$96K - $140K *

Shape the future of water management by leading innovative projects in water and wastewater strategies. Collaborate with multidisciplinary teams to deliver comprehensive solutions for industrial clien...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$90K - $110K *

Shape the future of water management by leading innovative projects in water supply, treatment, and compliance. Collaborate with multidisciplinary teams to deliver sustainable solutions for industrial...

2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$77K - $98K *

Engage in complex engineering tasks overseeing water and wastewater systems. Lead project planning and design, ensure compliance with standards, and collaborate with stakeholders across various engine...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

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.