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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$75K - $113K *

Elevate your engineering career by collaborating with a skilled team, tackling critical water resource projects, managing deliverables, and ensuring quality assurance across various phases. Make an im...

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$145K *

Bring your expertise to lead and expand a water/wastewater engineering group, managing projects from planning to construction. Collaborate with clients and stakeholders to ensure compliance and delive...

4 weeks ago

  •   Less than 5 years exp.  •   Technical Services

$80K - $95K *

Optimize project execution by enhancing processes and products, ensuring compliance and safety while collaborating across teams to drive productivity and efficiency improvements in a dynamic engineeri...

Yesterday

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$104K - $115K *

Advance your engineering career by optimizing manufacturing processes for circuit card assemblies and box-build products. Collaborate with cross-functional teams to enhance quality, yield, and product...

1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$89K - $138K *

Join a team that's shaping the future of municipal water infrastructure. As a Structural Engineer, you'll lead designs for vital projects, collaborate with multidisciplinary teams, and ensure complian...

Mississauga, ONIn-Person

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Retail & Consumer Goods

$93K - $114K *

Lead the design and implementation of innovative water resources solutions across complex transportation and land development projects, ensuring technical excellence and client satisfaction in a colla...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Lead the charge in planning and executing water/wastewater projects, coordinating designs, and ensuring compliance with regulations while fostering collaboration across multidisciplinary teams...

Reposted today

  •   Less than 5 years exp.  •   Technical Services

$141K - $185K *

Optimize water and wastewater projects by leading design and execution efforts. Collaborate with a dynamic team to deliver innovative solutions for public sector clients, ensuring project success thro...

2 weeks ago

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

$80K - $95K *

Drive the planning and design of municipal water and wastewater projects. Collaborate with multidisciplinary teams to deliver critical infrastructure solutions across North America, enhancing communit...

1 week ago

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

$95K - $155K *

Transform water infrastructure projects by leading civil design efforts, managing teams, and ensuring regulatory compliance while collaborating with diverse stakeholders to deliver innovative solution...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $155K *

Lead the charge in delivering innovative civil engineering designs for water and wastewater projects. Collaborate with cross-disciplinary teams, ensuring project quality and timelines while mentoring...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $155K *

Unlock potential by leading civil engineering design efforts for diverse water, wastewater, and stormwater projects. Collaborate with teams to ensure compliance, quality, and effective project deliver...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Contribute to impactful water resources projects as a project manager, overseeing design and implementation phases. Collaborate with multidisciplinary teams to ensure high-quality outcomes in urban se...

Edmonton, ABIn-Person

Yesterday

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Lead and oversee urban water resources projects, managing all phases from planning to construction. Collaborate with multidisciplinary teams, mentor junior staff, and ensure high-quality deliverables...

Yesterday

  •   5 - 7 years exp.  •   Technical Services

$80K - $95K *

Unlock your potential as a Process Engineer, driving innovation in specialty chemicals. Collaborate with cross-functional teams to optimize production processes and lead projects from lab to commercia...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Innovate to establish and optimize manufacturing processes at a new facility. Drive program launches, enhance continuous improvement efforts, and ensure operational efficiency by leveraging best pract...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$100K - $105K *

Shape operational excellence by overseeing plant staff and shift operations, ensuring compliance with safety regulations while optimizing performance and efficiency in wastewater treatment processes...

2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$140K - $190K *

Lead and optimize sustainable water solutions, managing complex projects and multidisciplinary teams while ensuring compliance and technical quality for public agencies and utility clients...

4 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$90K - $115K *

Deliver your expertise in financial consulting for utilities, managing diverse projects from budget planning to revenue forecasting. Collaborate with clients, analyze data, and produce technical repor...

2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$85K - $128K *

Drive your career forward by leveraging your engineering expertise to enhance production processes, support equipment manufacturing, and lead capital projects in a dynamic environment focused on innov...

3 weeks ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$125K - $175K *

Lead the charge in optimizing wastewater operations by serving as the key liaison between stakeholders, ensuring compliance, performance, and effective communication for a major municipal treatment fa...

2 weeks ago

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

$80K - $95K *

Champion innovative civil engineering design across diverse projects, from site development to infrastructure. Collaborate with multidisciplinary teams, manage permitting processes, and mentor junior...

3 weeks ago

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

$72K - $89K *

Elevate project outcomes by managing field chemistry tasks, ensuring accurate data collection, and collaborating with teams to meet environmental standards across various sites in California...

4 weeks ago

  •   Less than 5 years exp.  •   Business Services

$72K - $89K *

Shape the future of environmental science by supporting field and office chemistry tasks. Collaborate with project teams to ensure data integrity and compliance while managing sample collection and an...

4 weeks ago

  •   Less than 5 years exp.  •   Business Services

$161K - $274K *

Lead and manage water solutions projects, fostering client relationships and ensuring strategic execution for successful outcomes and financial success within the local office...

Reposted 1 week ago

  •   11 - 15 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.