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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$120K - $140K *

Shape the future of process engineering by leading projects from inception to construction. Collaborate with multi-discipline teams to develop PFDs, P&IDs, and specifications, ensuring client satisfac...

4 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Advance your career by leading innovative projects, collaborating across teams, and driving strategic initiatives that enhance operational efficiency and foster growth in a dynamic environment...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Help us drive engineering excellence by leading complex infrastructure projects, ensuring high-security standards and seamless collaboration among multidisciplinary teams to deliver mission-critical s...

3 days ago

  •   8 - 10 years exp.  •   Business Services

$80K - $95K *

Join a dynamic team as you lead capital projects and optimize chemical processes. Utilize your engineering expertise to enhance operational efficiency and safety while collaborating with cross-functio...

5 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Join a team of experts managing multi-disciplinary projects that enhance infrastructure. Lead technical initiatives, mentor staff, and ensure project delivery with effective client communication and c...

Reposted 2 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$121K - $126K *

Join a team that's dedicated to delivering high-quality support for Bond-funded construction projects. Collaborate with diverse stakeholders to ensure timely processing of Change Orders and maintain p...

3 weeks ago

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

$95K - $115K *

Transform complex designs into reliable manufacturing processes by collaborating with cross-functional teams on the production floor. Drive improvements in tooling, process controls, and assembly meth...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $115K *

Join a team that's transforming complex designs into reliable manufacturing processes. Collaborate closely with engineers and production staff to enhance tooling, solve challenges, and ensure quality...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$110K - $130K *

Join a team that's leading preconstruction efforts on large-scale water projects. Oversee budgeting, scheduling, and subcontractor management while driving continuous improvement and mentoring team me...

3 weeks ago

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

$110K - $130K *

Empower preconstruction excellence by leading large-scale water projects. Oversee budgeting, scheduling, and subcontractor management while mentoring teams to drive continuous improvement and ensure s...

3 weeks ago

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

$110K - $130K *

Lead the charge in preconstruction activities for large water projects, overseeing budgeting, scheduling, and subcontractor management. Collaborate with teams to ensure successful project execution an...

3 weeks ago

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

$110K - $130K *

Join a team that's redefining preconstruction excellence in large water projects. Lead efforts in budgeting, estimating, and subcontractor management while mentoring a skilled team. Drive innovation a...

3 weeks ago

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

$100K - $120K *

Lead and mentor a team in heavy oil projects, enhancing technical expertise and client relationships while overseeing project execution and ensuring quality standards across multidisciplinary teams...

Airdrie, ABIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$78K - $100K *

Join us as a Project Engineer to oversee construction projects, ensuring quality control and effective coordination between field staff and project managers. Your expertise will drive successful proje...

1 week ago

  •   Less than 5 years exp.  •   Staffing

$110K - $130K *

Shape the future of water utilities by managing I&C design projects, building client relationships, and coordinating multi-discipline engineering efforts across Florida. Lead your team to success whil...

Reposted 2 weeks ago

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

$80K - $110K *

Optimize manufacturing processes by driving quality improvements, conducting trials, and training personnel. Collaborate with teams to enhance efficiency and resolve issues, ensuring compliance with s...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$120K - $200K *

Transform the national landscape of water resources by leading innovative strategies, enhancing technical capabilities, and fostering collaboration across multiple states. Make a lasting impact on urb...

Reposted 2 days ago

  •   8 - 10 years exp.  •   Technical Services

$120K - $200K *

Lead innovative water resources strategy nationwide. Expand technical capabilities, influence project delivery, and foster client relationships across multiple states in a collaborative, high-impact r...

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$120K - $200K *

Shape the future of national water resource management by leading innovative strategies, enhancing technical capabilities, and fostering client relationships across multiple states for impactful flood...

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$120K - $200K *

Drive national innovation in water resources as you lead strategy and engineering efforts, collaborating cross-regionally to strengthen capabilities and client relationships while addressing flood ris...

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Shape operational excellence by leading a dynamic team in materials planning and execution for Engineered-to-Order manufacturing, ensuring timely delivery and optimal resource utilization while foster...

4 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Elevate your career by leading innovative hydraulic engineering projects, from urban highways to stormwater management. Collaborate with clients and guide junior engineers while ensuring high-quality...

6 days ago

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

$75K - $87K *

Grow your career with a dynamic team supporting environmental projects. Assist in field activities and technical tasks, ensuring effective investigation and remediation efforts while collaborating wit...

3 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Empower your career by optimizing manufacturing processes in a dynamic engineering environment. Collaborate across departments to enhance product quality and efficiency while driving continuous improv...

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Drive innovative stormwater management solutions for sustainable water resource projects. Collaborate with teams on hydrologic modeling and regulatory compliance while managing multiple projects in a...

Reposted 1 week 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.