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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$85K - $117K *

Analyze and optimize manufacturing processes to enhance safety, efficiency, and productivity. Collaborate with diverse teams to implement solutions, train operators, and drive improvements, ensuring c...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Food & Beverages

$80K - $99K *

Drive advanced air quality modeling and compliance efforts, collaborating across teams to establish effective permit conditions and guidelines. Provide technical expertise and support for community he...

3 weeks ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$80K - $99K *

Join a team that's dedicated to advancing air quality through expert modeling and compliance. Collaborate across departments to develop guidelines and support community health initiatives while provid...

3 weeks ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$95K - $115K *

Elevate your career by providing technical leadership on municipal drinking water projects. Collaborate with teams to design and implement innovative solutions for treatment plants and infrastructure...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$125K - $175K *

Empower communities by leading municipal drinking water projects, providing technical expertise and project management. Collaborate with clients and teams to design innovative solutions for water trea...

1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$78K - $117K *

Join a dynamic team to support the historic operation of a cutting-edge plant, ensuring the chemistry and processes meet stringent specifications. Engage in exciting technical activities that drive in...

2 days ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Innovate your career by enhancing production efficiency and leading industrialization efforts. Collaborate on new equipment design, optimize processes, and drive Lean initiatives to achieve operationa...

4 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Join a team that's dedicated to delivering exceptional water/wastewater projects. Lead project management efforts, ensuring timely execution and fostering strong relationships with stakeholders while...

Today

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

$100K - $120K *

Champion environmental compliance by leading waste and water programs, providing technical guidance, and collaborating with refinery operations to mitigate risks and drive continuous improvement in en...

Yesterday

  •   Less than 5 years exp.  •   Energy & Utilities

$125K - $150K *

Elevate municipal wastewater practices by leading strategic initiatives, managing multidisciplinary teams, and driving project success across British Columbia. Shape innovative solutions while mentori...

Vancouver, BCIn-Person

1 week ago

  •   11 - 15 years exp.  •   Technical Services

$100K - $118K *

Optimize environmental solutions by supporting remediation projects, preparing technical reports, and collaborating with diverse teams to ensure compliance with regulations and project objectives in a...

Today

  •   5 - 7 years exp.  •   Business Services

$80K - $95K *

Drive process improvement and operational excellence by collaborating with teams to enhance productivity, reduce variation, and implement sustainable engineering solutions in a dynamic manufacturing e...

2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$124K - $133K *

Join a team that's dedicated to enhancing wastewater management through innovative engineering solutions. Lead a skilled team, ensure regulatory compliance, and drive strategic initiatives for efficie...

6 days ago

  •   8 - 10 years exp.  •   Education, Government & Non-Profit

$80K - $95K *

Optimize lithium-ion battery electrode coating processes by developing, stabilizing, and scaling up manufacturing practices. Collaborate cross-functionally to enhance quality and efficiency in Gigafac...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Elevate manufacturing excellence by optimizing lithium-ion battery electrode coating processes. Collaborate cross-functionally to enhance production efficiency, quality, and yield, ensuring the succes...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $120K *

Lead the charge in EHS compliance and performance management, collaborating with experts to ensure regulatory adherence and drive sustainable practices while mentoring junior staff and managing comple...

3 weeks ago

  •   5 - 7 years exp.  •   Business Services

$80K - $120K *

Optimize EHS compliance and performance through audits, regulatory support, and due diligence projects. Collaborate with experts to enhance business skills while managing tasks and mentoring junior st...

3 weeks ago

  •   5 - 7 years exp.  •   Business Services

$110K - $130K *

Champion innovative structural designs for Battery Energy Storage Systems, enhancing energy resilience. Collaborate across disciplines to deliver impactful projects in diverse markets, while advancing...

Today

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

$103K - $159K *

Join a dynamic team to lead environmental engineering projects, focusing on remediation and construction services for federal clients. Drive project success through technical expertise, client coordin...

Yesterday

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Join a dynamic team as a Senior Electrical Engineer/Project Manager, leading exciting projects in a consulting environment. Utilize your expertise in electrical design, client management, and multidis...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Technical Services

$110K - $130K *

Lead the charge in technology transfer, ensuring seamless collaboration between U.S. and China teams. Safeguard design intent while overseeing engineering localization, commissioning, and operational...

3 weeks ago

  •   8 - 10 years exp.  •   Energy & Utilities

$128K - $136K *

Unlock potential by leading innovative mechanical design projects while managing clients and teams. Utilize your expertise to transform healthcare and commercial facilities, ensuring excellence in pro...

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Advance your career by managing complex projects and leading mechanical design initiatives. Leverage your expertise in HVAC systems to optimize design processes while collaborating with diverse teams...

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$110K - $130K *

Champion quality in water treatment construction projects, ensuring compliance with standards and timelines. Lead QA/QC efforts, analyze complex issues, and provide technical guidance to ensure projec...

Today

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

$88K - $105K *

Join a team that's dedicated to delivering successful projects on time and within budget. As a key management representative, you'll oversee project planning, scheduling, and execution while ensuring...

2 weeks ago

  •   5 - 7 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.