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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$90K - $125K *

Advance the future of water and wastewater infrastructure by leading design and project management efforts. Collaborate with multidisciplinary teams to optimize systems and ensure compliance with regu...

Brampton, ONIn-Person

1 week ago

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

$53K - $141K *

Join a team that's dedicated to driving continuous improvements in manufacturing processes. As a Process Engineer, you'll enhance productivity and safety while implementing innovative solutions to opt...

5 days ago

  •   Less than 5 years exp.  •   Information Technology

$90K - $133K *

Champion environmental compliance and permitting projects across multimedia, leading audits, reports, and cross-functional collaboration. Drive effective solutions while managing client relationships...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$90K - $133K *

Shape the future of environmental compliance by leading permitting projects for critical facilities. Collaborate cross-functionally to ensure adherence to regulations and contribute to innovative land...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$90K - $133K *

Drive compliance excellence by managing multimedia environmental permitting projects. Collaborate with industry leaders to prepare detailed regulatory submissions and conduct audits, ensuring adherenc...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$99K - $125K *

Drive measurable improvements across operations by implementing Lean principles and optimizing processes. Collaborate with cross-functional teams to enhance efficiency and sustainability, ensuring ali...

4 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Join a team that's dedicated to advancing groundwater science through hands-on fieldwork and technical expertise. Collaborate on diverse projects across the western US, enhancing your skills while ens...

1 week ago

  •   5 - 7 years exp.  •   Transportation

$80K - $95K *

Unlock potential by driving process development and quality improvement initiatives. Collaborate with production teams to enhance product quality and resolve issues, ensuring customer specifications a...

1 month ago

  •   Less than 5 years exp.  •   Aerospace & Defense

$95K - $115K *

Transform water resource projects by leading design, analysis, and documentation efforts. Collaborate with multidisciplinary teams to ensure compliance and quality while mentoring junior staff and man...

2 weeks ago

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

$90K - $110K *

Unlock potential by leading laboratory and pilot plant projects, ensuring quality, safety, and client satisfaction. Manage budgets, coordinate teams, and drive successful outcomes through effective co...

Quebec, QCIn-Person

2 weeks ago

  •   8 - 10 years exp.  •   Business Services

$140K - $211K *

Drive innovative water solutions as a Lead Water Engineer, managing complex projects in stormwater, water, and wastewater infrastructure. Collaborate with clients and teams to deliver exceptional engi...

3 weeks ago

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

$80K - $95K *

Drive the planning, design, and execution of municipal water and wastewater projects. Collaborate with multidisciplinary teams to deliver innovative solutions while enhancing your technical and projec...

6 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$80K - $95K *

Contribute to the planning and design of municipal water and wastewater projects. Collaborate with teams to deliver effective engineering solutions while enhancing your technical and project managemen...

6 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$88K - $105K *

Accelerate progress at our plant by ensuring all equipment operates at peak capacity, guiding maintenance technicians, managing projects, and driving operational efficiencies to reduce costs and enhan...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$135K - $185K *

Join a team that's dedicated to advancing water resource management through innovative solutions. Leverage your technical expertise in surface and groundwater management, modeling, and project feasibi...

3 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$135K - $185K *

Optimize water resource management by leveraging technical expertise in surface and groundwater systems, modeling, and project feasibility. Collaborate effectively to enhance water supply reliability...

3 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$95K - $115K *

Join a dynamic team to support critical water and wastewater projects, ensuring efficient construction and compliance with engineering standards while collaborating with project management and subcont...

1 week ago

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

$82K - $103K *

Lead innovative municipal infrastructure projects while mentoring junior engineers. Build client relationships and enhance your technical and leadership skills in a collaborative environment focused o...

Ottawa, ONIn-Person

2 weeks ago

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

$80K - $95K *

Deliver comprehensive engineering design and project management for capital and expense projects, ensuring adherence to budget, schedule, and safety standards while enhancing production efficiency and...

5 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Champion the future of electronics manufacturing by enhancing processes, providing technical support, and driving continuous improvement in PCB assembly production. Collaborate with teams to solve cha...

3 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$180K - $240K *

Unlock your potential as a senior environmental engineer, leading multidisciplinary teams and driving client relationships while tackling complex projects. Your expertise will shape the future of envi...

Yesterday

  •   11 - 15 years exp.  •   Staffing

$95K - $115K *

Grow your career with a dynamic team focused on process evaluations and documentation. Leverage your expertise in Confluence, Jira, and Git to standardize onboarding and enhance process management in...

3 weeks ago

  •   8 - 10 years exp.  •   Enterprise Technology

$95K - $115K *

Join a team that's dedicated to enhancing process efficiency through evaluations, documentation, and standardization. Leverage your expertise in Confluence, Jira, and Git to drive improvements and sup...

3 weeks ago

  •   8 - 10 years exp.  •   Enterprise Technology

$120K - $180K *

Transform your career by leading innovative water resource projects, utilizing advanced modeling techniques, and collaborating with diverse teams to enhance flood management and environmental resilien...

1 week ago

  •   5 - 7 years exp.  •   Transportation

$100K - $120K *

Lead the charge in managing complex water/wastewater projects, leveraging client relationships and technical expertise to deliver innovative solutions while mentoring junior engineers and driving busi...

2 weeks ago

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

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.