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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$140K - $190K *

Lead the charge in multidisciplinary engineering for hydropower and water resources projects, coordinating activities from planning through construction. Collaborate with teams to ensure quality deliv...

5 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$150K - $175K *

Collaborate with a team of experts on complex hydrogeological projects globally, developing innovative groundwater models. Influence mining operations by addressing critical water management challenge...

Vancouver, BCIn-Person

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Business Services

$170K - $250K *

Join a dynamic team to lead technical project delivery, enhance client relationships, and develop future leaders. Drive excellence in multidisciplinary engineering solutions while supporting critical...

Today

  •   8 - 10 years exp.  •   Technical Services

$98K - $164K *

Lead the charge in complex environmental investigations and remediation projects, ensuring client satisfaction and regulatory compliance while mentoring a high-performing team and fostering strong ind...

2 weeks ago

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

$88K - $105K *

Transform environmental strategy by leading compliance, risk management, and ISO 14001 practices. Collaborate across teams to embed sustainability and efficiency in operations, while ensuring adherenc...

Reposted 2 days ago

  •   5 - 7 years exp.  •   Pharmaceuticals & Biotech

$100K - $120K *

Transform water resources management by leading a skilled team to deliver innovative projects for municipal, state, and federal clients, ensuring operational excellence and fostering professional grow...

3 weeks ago

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

$100K - $120K *

Oversee a dynamic team in delivering innovative water resources projects, managing budgets, and fostering staff development while ensuring client satisfaction and operational excellence across municip...

3 weeks ago

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

$100K - $120K *

Elevate your career by leading a dynamic team in delivering innovative water resources projects. This role combines technical expertise, project management, and staff development to enhance client rel...

3 weeks ago

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

$80K - $95K *

Drive capital project execution and engineering improvements in a manufacturing facility. Lead projects from concept to completion, ensuring adherence to safety, quality, budget, and schedule while en...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$91K - $152K *

Manage and design hydropower projects from concept to completion, enhancing efficiency and compliance with industry standards. Engage in condition assessments and technical analyses to support innovat...

Reposted 3 days ago

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

$124K - $150K *

Manage diverse civil engineering projects, ensuring client satisfaction and regulatory compliance. Collaborate with multidisciplinary teams to deliver innovative solutions while mentoring staff and ov...

2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$90K - $120K *

Join a dynamic team to enhance your engineering skills in structural analysis and design for dams and hydraulic structures. Collaborate on multidisciplinary projects, conduct site inspections, and pre...

3 weeks ago

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

$80K - $100K *

Unlock your potential as you support environmental assessments and remediation projects. Collaborate with teams to develop strategies, conduct investigations, and ensure compliance while delivering im...

2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$124K - $171K *

Unlock your potential as you design and optimize cutting-edge manufacturing processes in semiconductor and display technologies, collaborating with top R&D teams to drive innovation and efficiency...

Yesterday

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Deliver expert leadership in metallurgy and materials engineering across complex projects. Provide strategic guidance, ensure technical excellence, and mentor multidisciplinary teams in energy transit...

Calgary, ABIn-Person

6 days ago

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

$125K - $150K *

Unlock advanced engineering solutions by evaluating complex process systems, resolving technical challenges, and guiding multidisciplinary teams to achieve operational efficiency and safety in diverse...

2 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$80K - $95K *

Join a team that's dedicated to optimizing operations through innovative engineering solutions. Drive improvements, influence decisions, and transform workflows to enhance productivity in a fast-paced...

Reposted 4 days ago

  •   Less than 5 years exp.  •   Transportation

$80K - $95K *

Champion operational excellence by redesigning workflows and driving improvements. Collaborate across teams to optimize processes, enhance efficiency, and support business-driven solutions with hands...

Reposted 4 days ago

  •   Less than 5 years exp.  •   Transportation

$80K - $95K *

Drive operational excellence by enhancing processes, improving efficiency, and implementing innovative strategies in a dynamic manufacturing environment to support continuous improvement and cost-savi...

Reposted 3 weeks ago

  •   Less than 5 years exp.  •   Transportation

$85K - $95K *

Innovate manufacturing processes by developing efficient systems and policies. Collaborate with cross-functional teams to enhance productivity and quality while ensuring compliance with safety standar...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Transform project execution by leveraging your engineering expertise to oversee major capital construction initiatives, ensuring technical quality and compliance throughout all phases from planning to...

6 days ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Join a team that's dedicated to ensuring the technical quality and execution of major capital construction projects, providing oversight and support throughout all phases, including planning, design...

6 days ago

  •   8 - 10 years exp.  •   Energy & Utilities

$80K - $95K *

Lead the charge in driving continuous improvement initiatives, optimizing manufacturing processes, and enhancing product quality. Utilize Lean/Six Sigma methodologies to achieve operational excellence...

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $95K *

Unlock potential by executing engineering assignments, resolving complex problems, and supporting project feasibility in manufacturing processes. Contribute to the design and optimization of chemical...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$148K - $248K *

Join a team that's shaping the future of renewable energy by leading multi-discipline engineering efforts on innovative BESS and Solar projects. Drive project execution, manage client relationships, a...

4 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.