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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$110K - $172K *

Join a team that's dedicated to environmental excellence, providing strategic leadership in air compliance and program management. Collaborate with operations to ensure adherence to regulations while...

Today

  •   5 - 7 years exp.  •   Business Services

$130K - $140K *

Lead project execution for water treatment systems in a dynamic environment. Collaborate with diverse teams to ensure successful planning, coordination, and delivery of critical mechanical processes...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$88K - $96K *

Transform operational efficiencies by providing engineering support, troubleshooting issues, and driving productivity improvements while ensuring compliance with safety and environmental regulations i...

Hamilton, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Food & Beverages

$80K - $95K *

Join a team that's dedicated to optimizing chemical processes and enhancing manufacturing efficiency. Contribute to safety and quality initiatives while leading engineering projects that drive operati...

1 week ago

  •   Less than 5 years exp.  •   Technical Services

$100K - $125K *

Contribute to the efficient operation of Ultrapure Water and Wastewater systems, ensuring reliability and performance. Drive continuous improvement, oversee maintenance activities, and support enginee...

4 weeks ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$80K - $95K *

Innovate your career by enhancing aerospace manufacturing processes. Collaborate with cross-functional teams to troubleshoot, optimize, and implement sustainable improvements that drive safety, qualit...

Today

  •   Less than 5 years exp.  •   Aerospace & Defense

$90K - $110K *

Lead the design and delivery of critical wastewater infrastructure projects, ensuring compliance and innovation while collaborating with stakeholders to optimize structural engineering solutions throu...

Edmonton, ABIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$95K - $115K *

Transform process engineering by leading optimization and scale-up initiatives. Collaborate with cross-functional teams to enhance performance metrics and mentor engineers, ensuring efficient and comp...

Reposted 6 days ago

  •   8 - 10 years exp.  •   Pharmaceuticals & Biotech

$100K - $130K *

Lead the charge in electrical design for specialized systems, overseeing everything from drafting to commissioning. Collaborate with teams to tackle environmental challenges while ensuring compliance...

Richmond, BCIn-Person

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Join a team that's redefining water solutions by developing precise cost estimates and compelling proposals for innovative water and wastewater projects. Collaborate across departments to enhance proj...

Reposted today

  •   5 - 7 years exp.  •   Energy & Utilities

$90K - $115K *

Accelerate operational excellence by driving process improvements and modernizing equipment in a dynamic CNC machining environment. Collaborate with teams to enhance quality, reduce costs, and support...

2 weeks ago

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

$95K - $115K *

Empower progress at a leading firm by managing integrated water resource projects. Collaborate with multidisciplinary teams to deliver innovative solutions in flood risk management, environmental rest...

4 weeks ago

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

$125K - $195K *

Join a team that's leading innovative groundwater infrastructure projects. Leverage your hydrogeology expertise to manage complex initiatives, mentor staff, and build client relationships while drivin...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$121K - $203K *

Lead the charge in water and wastewater projects, managing design delivery and multidisciplinary teams. Engage stakeholders to ensure project success and support essential community infrastructure imp...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Technical Services

$146K - $244K *

Transform water and wastewater projects by managing all phases from planning to construction. Build strong client relationships and lead a team in a dynamic environment, ensuring projects meet budget...

Reposted 3 days ago

  •   8 - 10 years exp.  •   Technical Services

$91K - $160K *

Engineer innovative water and wastewater treatment solutions, ensuring compliance and sustainability. Collaborate on diverse projects, enhance system efficiency, and mentor junior staff while making a...

3 weeks ago

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

$91K - $160K *

Transform water and wastewater systems through innovative design and optimization. Collaborate on projects that enhance water quality and ensure regulatory compliance while mentoring junior engineers...

3 weeks ago

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

$100K - $150K *

Help us tackle complex groundwater challenges by leading impactful hydrogeology projects across the Southwest. You'll guide technical strategies, mentor junior staff, and ensure project success while...

2 days ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $150K *

Lead the charge in tackling complex groundwater challenges across the Southwest. Utilize your expertise to manage high-impact hydrogeology projects, mentor junior staff, and drive innovative solutions...

3 days ago

  •   11 - 15 years exp.  •   Technical Services

$123K - $199K *

Drive innovative groundwater modeling projects, focusing on site assessment, remediation, and management. Collaborate with clients and lead technical investigations while ensuring project success and...

2 days ago

  •   8 - 10 years exp.  •   Business Services

$95K - $115K *

Lead the charge in innovative groundwater modeling and site assessments. Collaborate on complex projects involving remediation, water supply, and litigation support while managing client relationships...

2 days ago

  •   8 - 10 years exp.  •   Business Services

$95K - $115K *

Join us in shaping the future of groundwater management and remediation. As a Senior Hydrogeologist, you'll lead innovative projects, provide expert analysis, and drive client success while managing c...

2 days ago

  •   8 - 10 years exp.  •   Business Services

$90K - $110K *

Champion innovative electrical and instrumentation designs for complex water projects, leading cross-functional teams to meet customer expectations while ensuring quality, budget, and schedule adheren...

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$90K - $110K *

Transform the future of water technologies by leading complex EI&C projects, mentoring junior engineers, and ensuring quality and safety in electrical and instrumentation designs while collaborating w...

1 week ago

  •   5 - 7 years exp.  •   Energy & Utilities

$90K - $110K *

Lead cross-functional engineering teams to design and implement complex electrical and instrumentation systems for water technologies, ensuring project success through collaboration, mentorship, and a...

1 week ago

  •   8 - 10 years exp.  •   Energy & Utilities

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.