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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$80K - $95K *

Drive process optimization and safety in refinery operations. Utilize engineering expertise to enhance production efficiency, implement continuous improvement, and ensure environmental compliance whil...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$85K - $100K *

Drive innovative water/wastewater design projects, managing multi-disciplined teams to deliver effective solutions for municipal and industrial clients while ensuring project scope, budget, and timeli...

2 weeks ago

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

$100K - $120K *

Transform water and wastewater design projects from concept to completion. Lead a dynamic team in creating innovative solutions that enhance community infrastructure while ensuring compliance and qual...

2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$95K - $115K *

Lead the charge in overseeing infrastructure projects, managing schedules, budgets, and safety while coordinating with contractors and clients to ensure successful project delivery from start to finis...

4 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Champion your career by overseeing infrastructure projects from start to finish, ensuring quality, safety, and budget compliance while collaborating with diverse teams and stakeholders for successful...

4 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Deliver impactful process improvements and project leadership in a growing manufacturing environment. Collaborate with cross-functional teams to optimize performance, enhance safety, and drive meaning...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Transform the future of municipal water and wastewater projects by leading technical delivery, expanding client relationships, and driving strategic growth initiatives across the Midwest region while...

1 week ago

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

$80K - $95K *

Grow your career with a dynamic Environmental Engineering role focused on compliance and stewardship. Collaborate with teams to enhance environmental performance across air, water, and waste managemen...

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$90K - $108K *

Lead the charge in managing complex environmental projects, ensuring quality and compliance while mentoring junior staff. Drive site investigations and remediation efforts, fostering client relationsh...

1 week ago

  •   8 - 10 years exp.  •   Technical Services

$101K - $194K *

Lead the charge in hydrogeologic investigations, guiding teams to deliver innovative solutions for diverse environmental projects, particularly in mining. Collaborate with clients and internal teams t...

1 week ago

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

$101K - $194K *

Shape the future of environmental projects by leading hydrogeologic investigations, analyzing data, and mentoring teams to exceed client expectations in diverse market sectors. Collaborate across disc...

1 week ago

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

$101K - $194K *

Transform environmental projects by leveraging your hydrogeologic expertise. Lead site characterization efforts, analyze data, and develop models to ensure successful project delivery while mentoring...

1 week ago

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

$101K - $194K *

Lead the charge in advancing hydrogeologic investigations for diverse environmental projects. Collaborate with teams to analyze data, develop models, and exceed client expectations while mentoring sta...

1 week ago

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

$101K - $194K *

Lead the charge in hydrogeologic investigations, guiding teams to analyze data, develop models, and deliver exceptional project outcomes for diverse environmental projects, particularly in mining. Col...

1 week ago

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

$101K - $194K *

Grow your career with a dynamic team as you lead hydrogeologic investigations, analyze data, and develop models for diverse environmental projects, particularly in mining. Collaborate with clients and...

1 week ago

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

$101K - $194K *

Lead the charge in hydrogeologic investigations, guiding teams to analyze data and develop models for diverse environmental projects, particularly in mining. Collaborate with clients to exceed expecta...

1 week ago

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

$101K - $194K *

Join a dynamic team as you lead hydrogeologic investigations, analyze data, and develop models for diverse environmental projects. Collaborate with clients and mentor staff while driving project succe...

1 week ago

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

$101K - $194K *

Champion hydrogeologic investigations, leading teams to analyze data and develop models for environmental projects, particularly in mining. Drive project success through effective communication and st...

1 week ago

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

$156K - $218K *

Drive complex civil and environmental engineering projects, providing senior technical leadership and client advisory support. Oversee landfill closure, remediation, and gas mitigation systems while m...

2 weeks ago

  •   8 - 10 years exp.  •   Business Services

$156K - $218K *

Shape the future of environmental engineering by leading complex projects in landfill closure, remediation, and gas mitigation. Provide senior technical leadership, mentor teams, and drive business gr...

2 weeks ago

  •   8 - 10 years exp.  •   Business Services

$100K - $120K *

Elevate the Chemicals business as a Senior Process Engineer, leading technical projects, mentoring teams, and delivering innovative engineering solutions. Collaborate within interdisciplinary teams to...

Reposted 6 days ago

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

$133K - $196K *

Oversee process engineering services, providing technical support and supervision to ensure quality deliverables while collaborating with multidisciplinary teams and clients to define project scope an...

1 week ago

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

$88K - $105K *

Shape the future of waste management compliance by overseeing hazardous and non-hazardous waste practices, enhancing efficiency, and driving sustainability initiatives in a dynamic petrochemical manuf...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$85K - $102K *

Oversee compliance with waste management regulations in a petrochemical facility, optimizing efficiency and implementing best practices for hazardous and non-hazardous waste in support of manufacturin...

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$89K - $111K *

Help us engineer innovative water/wastewater treatment systems by collaborating with multidisciplinary teams to ensure design accuracy, budget adherence, and compliance with quality standards while ma...

1 week ago

  •   5 - 7 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.