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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$120K - $140K *

Partner with us to drive growth in industrial accounts, leveraging your sales expertise to expand relationships and deliver innovative water treatment solutions that meet the needs of our customers an...

RemoteRemote

Reposted 1 week ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$118K - $180K *

Unlock potential by leading structural engineering reviews for renewable energy projects. Collaborate with multi-discipline teams to optimize design, support financing, and deliver actionable insights...

United StatesRemote

6 days ago

  •   8 - 10 years exp.  •   Technical Services

$110K - $130K *

Grow your career with a dynamic team dedicated to providing advanced water treatment solutions. Leverage your technical sales expertise and relationship-building skills to drive revenue and foster str...

United StatesRemote

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$131K - $205K *

Shape the future of electric power projects by providing expert development support, technical evaluations, and engineering design reviews. Collaborate with clients to optimize project outcomes while...

United StatesRemote

2 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$74K - $100K *

Champion sustainable solutions by developing advanced chemical treatment programs, fostering customer relationships, and driving revenue growth while ensuring safety and operational excellence across...

Toronto, ONRemote

1 week ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Elevate your career by providing civil engineering design and support for utility substations. Collaborate with teams, mentor junior engineers, and ensure quality control while managing project scope...

RemoteRemote

2 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$72K - $110K *

Champion environmental project success by managing scopes, schedules, and budgets. Collaborate with multi-disciplinary teams and clients to deliver high-quality solutions while mentoring junior staff...

Edmonton, ABRemote

Reposted 4 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$110K - $130K *

Lead the development of accurate proposals and cost estimates for water and wastewater projects. Collaborate with engineering, sales, and finance teams to ensure timely delivery and customer satisfact...

Minneapolis, MNRemote

Yesterday

  •   8 - 10 years exp.  •   Energy & Utilities

$74K - $115K *

Transform urban infrastructure by managing street and sidewalk maintenance projects. Collaborate with diverse teams to ensure compliance, oversee contracts, and deliver timely results that enhance com...

Raleigh, NCRemote

Today

  •   Less than 5 years exp.  •   Transportation

$90K - $100K *

Shape the future of waste management by overseeing complex projects involving waste loading, handling, and transportation. Collaborate with diverse teams and ensure compliance while managing customer...

RemoteRemote

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$80K - $110K *

Unlock potential by leading environmental remediation projects, ensuring safety and compliance while managing teams and client relationships. Drive project success through effective planning, executio...

Alaska, USRemote

Yesterday

  •   5 - 7 years exp.  •   Energy & Utilities

$95K - $115K *

Engage in diverse remediation projects, leading design and implementation efforts while ensuring project success through effective management and client engagement in a collaborative environment...

United StatesRemote

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Technical Services

$131K - $205K *

Engage in the design and evaluation of electric power generation projects. Provide technical support and owner’s engineering services, focusing on thermal power systems. Collaborate on project develop...

United StatesRemote

4 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$125K - $150K *

Lead the charge in delivering innovative remedial systems design solutions. Collaborate with multidisciplinary teams, providing technical leadership and strategic direction for diverse environmental p...

United StatesRemote

Reposted 2 weeks ago

  •   11 - 15 years exp.  •   Technical Services

$110K - $160K *

Transform advanced semiconductor facilities by leading electrical design projects. Collaborate with multi-discipline teams to ensure compliance, quality, and innovation while utilizing cutting-edge AI...

Austin, TXRemote

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$110K - $160K *

Transform the future of technology by leading electrical design for advanced semiconductor facilities. Collaborate with multidisciplinary teams to ensure compliance, innovation, and quality in every p...

Phoenix, AZRemote

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$139K - $174K *

Engineer impactful electrical systems by leading projects, mentoring teams, and ensuring compliance with industry standards. Collaborate to foster innovation and quality in complex building designs, d...

RemoteRemote

Reposted 2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$80K - $95K *

Empower your career by joining a dynamic team focused on environmental permitting and natural resource management. Collaborate on energy projects and infrastructure improvements while leveraging your...

Chelmsford, MARemote

6 days ago

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

$139K - $174K *

Lead structural design for complex projects, focusing on data centers and industrial facilities. Collaborate with multidisciplinary teams, ensuring quality and compliance while mentoring junior engine...

United StatesRemote

2 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$125K - $145K *

Unlock potential by leading complex multi-disciplinary projects to achieve client goals, overseeing contracting, risk management, and deliverable production, while supporting program growth and commun...

RemoteRemote

Reposted yesterday

  •   5 - 7 years exp.  •   Technical Services

$110K - $130K *

Unlock potential by leading electrical design projects from concept to completion, ensuring compliance with standards and codes. Collaborate with cross-functional teams to deliver high-quality, constr...

Fort Worth, TXRemote

3 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$108K - $130K *

Transform electrical engineering projects by leading design and analysis from inception to completion. Collaborate with teams to deliver innovative solutions while ensuring compliance with standards a...

United StatesRemote

3 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$110K - $130K *

Join a team that's redefining electrical design for power systems. You'll manage projects from scoping to construction, ensuring compliance with standards while delivering high-quality designs and sup...

Reno, NVRemote

3 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$110K - $130K *

Drive the future of electrical design by leading medium- and low-voltage projects, ensuring compliance with standards and codes while delivering high-quality, constructible packages. Collaborate acros...

Lake Mary, FLRemote

3 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$100K - $120K *

Unlock your potential as a Project Manager, leading complex, cross-functional projects. Oversee multiple initiatives, ensuring timely delivery and budget adherence while mentoring team members and enh...

United StatesRemote

3 weeks 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.