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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$109K - $154K *

Lead the design and implementation of innovative Ultra Pure Water solutions, managing client relationships and project lifecycles. Collaborate with cross-functional teams to deliver tailored engineeri...

Feasterville Trevose, PARemote

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$109K - $154K *

Shape the future of water treatment by leading innovative solutions in ultrapure water systems. Collaborate with global teams to manage proposals and engage clients, ensuring technical excellence and...

Feasterville Trevose, PARemote

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$110K - $130K *

Drive innovative ultrapure water treatment solutions as a key technical leader, collaborating with customers to optimize system design and operation while ensuring compliance with industry standards a...

Houston, TXRemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Join a team that's redefining ultrapure water treatment solutions. As a key technical leader, you'll leverage your expertise to design and optimize systems for the microelectronics industry, ensuring...

Boise, IDRemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$80K - $95K *

Empower communities by managing small to mid-sized municipal water projects. Lead from inception to delivery, fostering client relationships and collaborating with a skilled team to ensure high-qualit...

Memphis, TNRemote

2 days ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Drive environmental solutions by applying scientific principles to analyze data, prepare reports, and ensure compliance with regulations. Collaborate with project teams to execute fieldwork and suppor...

Omaha, NERemote

1 week ago

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

$170K - $200K *

Lead the charge in establishing a new Water/Wastewater practice across California, driving strategic growth, client relationships, and project oversight while mentoring a multidisciplinary team to del...

San Jose, CARemote

1 week ago

  •   11 - 15 years exp.  •   Staffing

$170K - $200K *

Transform the future of water/wastewater engineering by leading practice growth, client development, and strategic initiatives across California. Leverage your expertise to establish a trusted enginee...

Sacramento, CARemote

1 week ago

  •   11 - 15 years exp.  •   Staffing

$170K - $200K *

Grow your career with a leadership role in expanding a Water/Wastewater practice. Drive strategic development, client relationships, and project oversight while leveraging your expertise to establish...

San Francisco, CARemote

1 week ago

  •   11 - 15 years exp.  •   Staffing

$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

$110K - $130K *

Join a dynamic team as a Process Engineer, leveraging your expertise to design and optimize ultrapure water treatment systems for the microelectronics industry, ensuring project success through innova...

Phoenix, AZRemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$93K - $137K *

Innovate across capital projects and chemical operations, delivering practical mechanical engineering solutions while collaborating with multidisciplinary teams to ensure effective project execution a...

RemoteRemote

Reposted yesterday

  •   5 - 7 years exp.  •   Business Services

$100K - $120K *

Support commercial engineering efforts by generating proposals, process designs, and managing project tasks. Collaborate with sales teams and vendors to enhance project success across various water tr...

Salt Lake City, UTRemote

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$160K - $200K *

Contribute to the design and analysis of vital water infrastructure projects, ensuring compliance and quality. Lead multidisciplinary teams, mentor junior engineers, and engage with clients to deliver...

Rancho Cordova, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$160K - $200K *

Lead the design and analysis of water infrastructure projects, ensuring compliance and innovation. Collaborate with multidisciplinary teams to deliver sustainable solutions that enhance community serv...

Oakland, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$160K - $200K *

Engage in the design and analysis of vital water infrastructure projects. Lead multidisciplinary teams to deliver innovative solutions, ensuring compliance and quality while mentoring junior engineers...

Riverside, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$160K - $200K *

Empower communities by leading innovative water infrastructure projects. As a Senior Structural Engineer, you'll design and analyze critical facilities, mentor junior engineers, and ensure compliance...

San Diego, CARemote

3 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$90K - $120K *

Join a team that's dedicated to advancing process engineering in Life Sciences. Lead complex design projects, collaborate with multidisciplinary teams, and mentor junior engineers while enhancing your...

United StatesRemote

1 week ago

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

$80K - $155K *

Join a team that's redefining energy solutions by designing innovative fluid and power systems. As a Process Engineer, you'll drive the development and optimization of cutting-edge technologies in a f...

RemoteRemote

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$85K - $120K *

Elevate your career by developing innovative water treatment solutions. Collaborate with teams to create technical proposals, manage projects, and ensure customer satisfaction while adhering to safety...

Wisconsin, USRemote

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$133K - $180K *

Shape the future of wood processing by optimizing mill operations and material flow, ensuring efficiency and sustainability. Collaborate across teams to drive modernization, execute strategic projects...

RemoteRemote

Reposted yesterday

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$99K - $139K *

Drive proposal development for industrial water treatment projects, leading cross-functional teams to create competitive solutions. Engage throughout the sales cycle, ensuring alignment with strategic...

Feasterville Trevose, PARemote

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

$70K - $103K *

Engage with customers to optimize chemical performance through routine testing, troubleshooting, and equipment management. Collaborate with site teams to ensure effective solutions and maintain strong...

RemoteRemote

1 week ago

  •   Less than 5 years exp.  •   Business Services

$70K - $103K *

Unlock potential by providing expert support in chemical management and equipment troubleshooting, ensuring optimal performance at customer sites while fostering strong relationships and driving resul...

RemoteRemote

2 weeks ago

  •   Less than 5 years exp.  •   Business Services

$130K - $160K *

Lead the transformation of enterprise business processes to enhance efficiency and effectiveness. Collaborate with stakeholders to architect solutions that drive operational excellence across the orga...

United StatesRemote

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

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.