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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$95K - $115K *

Champion project excellence in the water/wastewater/utilities sector by managing teams and client relationships, ensuring timely delivery, quality control, and budget adherence while leading innovativ...

Reposted 2 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$100K - $115K *

Join a team that's driving innovation in chemical manufacturing by optimizing processes, enhancing safety, and leading continuous improvement initiatives. Leverage your expertise to support new produc...

Scarborough, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Drive project success by defining scopes and budgets for capital projects, ensuring timely and safe implementation while collaborating with stakeholders and contractors to meet corporate and regulator...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$130K - $165K *

Transform your career by leading complex water/wastewater projects, managing teams, and building client relationships. Drive project success while ensuring quality and compliance in a dynamic engineer...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$130K - $165K *

Join our team to lead and manage diverse water/wastewater projects, fostering client relationships and guiding a skilled team. Your expertise will drive project success and enhance our department's im...

Reposted today

  •   5 - 7 years exp.  •   Technical Services

$104K - $157K *

Transform engineering projects from concept to completion, ensuring timely delivery, quality, and safety. Collaborate with cross-functional teams to optimize processes and enhance performance in a dyn...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$89K - $133K *

Lead optimization efforts in oilseed crushing operations to enhance safety, efficiency, and product quality. Collaborate with cross-functional teams to troubleshoot challenges and implement sustainabl...

6 days ago

  •   Less than 5 years exp.  •   Food & Beverages

$88K - $105K *

Join a dynamic team to lead water and wastewater infrastructure projects, managing multidisciplinary efforts while ensuring compliance with engineering standards and client expectations. Mentor junior...

4 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$100K - $120K *

Champion the design and execution of innovative liquid processing systems in the food and beverage sector, managing projects from scope to delivery while collaborating with diverse teams and mentoring...

2 weeks ago

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

$95K - $115K *

Unlock potential by ensuring high-performance, secure, and scalable networks across multiple sites. Lead integration efforts for newly acquired companies while collaborating with IT and security teams...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$120K - $145K *

Drive growth and technical excellence by leading our hydropower electrical team, overseeing project management, fostering career development, and ensuring high-quality delivery across diverse projects...

Reposted 1 week ago

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

$130K - $180K *

Unlock potential by contributing to hydropower and water resources projects, from design to commissioning. Collaborate with multidisciplinary teams to deliver innovative mechanical engineering solutio...

5 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$130K - $180K *

Unlock your potential as an Intermediate Mechanical Engineer, contributing to hydropower and water resources projects from design to commissioning. Collaborate with multidisciplinary teams to deliver...

5 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$125K - $150K *

Transform your career by leading piping engineering efforts, optimizing designs, and collaborating with multi-discipline teams on heavy industrial projects. Drive innovation from concept to execution...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$85K - $100K *

Drive continuous improvement and process optimization in manufacturing. Collaborate with cross-functional teams to enhance operational reliability, safety, and quality while leading technical evaluati...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Lead the charge in delivering innovative civil engineering solutions for water, sewer, and stormwater projects. Collaborate with diverse teams and clients to ensure successful project outcomes across...

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Partner with us to ensure high-performance, secure networks across multiple sites. You'll play a key role in integrating new systems and enhancing network capabilities, ensuring our infrastructure is...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Drive innovative mechanical design and engineering solutions for high-performance drilling equipment, enhancing reliability and performance in oil and gas operations through collaboration and continuo...

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$95K - $115K *

Optimize hydraulic and hydrology design and analysis for diverse projects. Lead a team while managing multiple tasks and budgets. Engage in client relations to foster growth within Florida's competiti...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Lead and mentor a team in delivering innovative water/wastewater projects, ensuring design excellence and client satisfaction while managing multiple projects across the Mid-Atlantic region...

Reposted 6 days ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Shape the future of water and wastewater planning by leading project teams, enhancing client relationships, and driving operational excellence in a dynamic environment focused on growth and innovation...

1 week ago

  •   11 - 15 years exp.  •   Business Services

$114K - $164K *

Drive project success by leading engineering initiatives from conception to startup, ensuring effective coordination, cost control, and compliance with safety standards while fostering collaboration a...

Courtright, ONIn-Person

2 days ago

  •   5 - 7 years exp.  •   Business Services

$83K *

Collaborate with diverse teams to plan, design, and oversee solid waste projects, ensuring compliance and efficiency while serving as a key liaison among stakeholders and managing project execution un...

4 weeks ago

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

$125K - $165K *

Take ownership of impactful environmental projects as a Senior Engineer, overseeing assessment, remediation, and compliance efforts while leading a dynamic team to drive success and ensure the highest...

Reposted 4 days ago

  •   8 - 10 years exp.  •   Energy & Utilities

$80K - $95K *

Elevate project management and environmental science skills by overseeing investigation and remediation projects, delivering exceptional results, managing a team, and engaging with clients on exciting...

Reposted 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.