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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$160K - $200K *

Lead the charge in designing innovative water infrastructure solutions. Collaborate with multidisciplinary teams to enhance community services through resilient engineering practices, ensuring complia...

Walnut Creek, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$160K - $200K *

Shape the future of water infrastructure by leading innovative design and analysis for critical facilities. Collaborate with multidisciplinary teams to deliver resilient solutions that enhance communi...

Santa Clara, CARemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Engineer innovative civil designs for utility-scale solar and battery projects. Collaborate with multidisciplinary teams to create site layouts, grading, and drainage plans, ensuring compliance and ef...

United StatesRemote

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Unlock your potential as a Senior Engineer in Field Services, providing expert technical support and solutions for semiconductor equipment across multiple locations. Engage with cross-functional teams...

Arizona, USRemote

2 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$125K - $180K *

Contribute to innovative water management solutions in mining projects. Leverage your expertise in hydrological analysis and design to enhance environmental sustainability while collaborating with mul...

Vancouver, BCRemote

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$95K - $140K *

Manage and oversee large-scale water filtration and treatment projects, ensuring compliance with safety standards while developing client relationships and providing technical support throughout proje...

RemoteRemote

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$88K - $154K *

Optimize and integrate the manufacturing process for hazardous materials, taking ownership from design through commissioning. Collaborate with multidisciplinary teams to ensure safety and efficiency i...

United StatesRemote

Reposted 1 week ago

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

$120K - $140K *

Shape the future of industrial water solutions by driving sales growth, managing key accounts, and fostering enduring partnerships with customers and teams to enhance sustainable business outcomes and...

RemoteRemote

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$280K - $330K *

Empower a dynamic engineering team by leading technical architecture, enhancing system reliability, and driving scalable solutions that support rapid growth in a fast-paced fintech environment. Foster...

United StatesRemote

Reposted today

  •   5 - 7 years exp.  •   Finance & Insurance

$80K - $95K *

Join a team that's dedicated to providing technical support and guidance in membrane systems. Collaborate across departments to optimize solutions, assist customers, and enhance product performance th...

United StatesRemote

Today

  •   Less than 5 years exp.  •   Energy & Utilities

$85K *

Transform communities through innovative civil engineering design. As a key technical lead, you'll drive impactful projects across various sectors, ensuring high-quality solutions while mentoring fell...

New Hampshire, USRemote

4 days ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $115K *

Join a dynamic team to lead environmental remediation projects, focusing on system design, operations, and data management. Collaborate with engineers and scientists to ensure effective solutions for...

Alabama, USRemote

1 week ago

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

$100K - $120K *

Unlock potential by leading strategic planning for a water utility. Collaborate with stakeholders to assess priorities, design actionable plans, and ensure alignment with long-term goals while enhanci...

United StatesRemote

2 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$105K - $130K *

Advance your career by developing and reviewing groundwater models for diverse projects. Collaborate with experts, mentor junior staff, and enhance ITASCA's hydrogeology practice while tackling comple...

Denver, CORemote

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$105K *

Lead complex engineering design for cathodic protection projects, ensuring effective resource utilization and technical supervision. Collaborate with teams to deliver innovative solutions and enhance...

RemoteRemote

Today

  •   5 - 7 years exp.  •   Energy & Utilities

$120K - $165K *

Unlock potential by leading hydro turbine design and engineering projects, optimizing asset performance, and ensuring compliance with industry standards. Collaborate with cross-functional teams to enh...

United StatesRemote

4 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$87K - $95K *

Transform your career by leading engineering, construction, and commissioning efforts for water treatment plants. Collaborate with cross-functional teams to ensure operational excellence and safety wh...

Bellevue, WARemote

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$85K - $105K *

Join a dynamic team as a Senior Project Hydrogeologist, managing diverse hydrogeology and environmental projects. Leverage your expertise in groundwater modeling and field investigations to drive impa...

Denver, CORemote

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Empower your career by joining a dynamic team to lead complex civil engineering projects. Collaborate with multidisciplinary experts to design and implement innovative transportation solutions that en...

Los Angeles, CARemote

3 weeks ago

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

$105K - $130K *

Empower your career by leading hydrogeology and environmental projects. Collaborate with multidisciplinary teams to tackle complex groundwater challenges, ensuring technical excellence and client sati...

Denver, CORemote

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$86K - $126K *

Join our dynamic Engineering team to lead civil design projects, focusing on stormwater management and erosion control. Collaborate with multidisciplinary teams to deliver high-quality solutions while...

RemoteRemote

3 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$95K - $115K *

Drive field engineering excellence by installing, maintaining, and troubleshooting cutting-edge hardware systems. Collaborate with teams to enhance product design and ensure reliable operations in dyn...

United StatesRemote

4 weeks ago

  •   Less than 5 years exp.  •   Food & Beverages

$86K - $96K *

Join a dynamic team to provide technical guidance and support in commercial water quality solutions. Engage with clients and industry groups, driving sales and customer satisfaction while influencing...

United StatesRemote

Reposted 3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$84K - $126K *

Reimagine customer solutions by developing tailored products and services. Drive sales growth and retention through technical expertise, training, and collaboration with internal teams to meet evolvin...

RemoteRemote

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$100K - $120K *

Deliver innovative mineral processing solutions to enhance plant operations, optimize costs, and improve product quality. Collaborate with cross-functional teams to drive project success and ensure co...

United StatesRemote

2 weeks ago

  •   5 - 7 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.